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Class 8 English — Honeydew Chapter 10 Grammar Toolkit — Formulas & Key Points

Chapter 10 of NCERT Class 8 English Honeydew, the Grammar Toolkit, consolidates four high-frequency grammar areas tested in every CBSE exam: voice transformation, reported speech conversion, modal auxiliary usage, and phrasal verbs. This formula sheet presents every rule, structure, and exception in table format so you can revise systematically. Whether you are preparing for a class test or the annual exam, mastering these patterns will directly boost your writing and language-reasoning scores.

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Key takeaways

✓Active to passive voice: shift object to subject position, use 'by + agent', change main verb to past participle form with appropriate 'be' auxiliary.
✓Reported speech: shift tense one step back (present → past, past → past perfect), change pronouns, adjust time/place adverbs (now → then, here → there).
✓Modals never take 's' in third person, never use 'to' before the base verb, and carry meanings like ability, permission, obligation, advice, possibility.
✓Phrasal verbs combine a verb + preposition/adverb to create new meanings (look after ≠ look, give up ≠ give); meaning must be memorised, not guessed.
✓Common mistakes: forgetting 'by' in passive voice, not shifting pronouns in reported speech, adding 'to' after modals, translating phrasal verbs word-by-word.

Voice Transformation — Active and Passive Formulas

Voice shows whether the subject performs the action (active) or receives it (passive). In CBSE Class 8 papers, you will be asked to convert sentences between voices. The passive structure is: Subject (object of active) + appropriate form of 'be' + past participle + by + agent (subject of active). The tense of 'be' must match the tense of the original active verb. Not every active sentence can be turned passive; only transitive verbs (verbs that take an object) allow voice change. Intransitive verbs like 'sleep', 'rise', 'fall' have no passive form because there is no object to become the new subject.

Identify the tense of the active verb first, then pick the matching 'be' form.
Move the object of the active sentence to the subject slot in passive.
Convert the main verb to its past participle (third form: do → done, write → written).
Insert 'by + doer' after the verb; 'by' phrase can be dropped if the doer is unimportant or obvious.
Modals in active (can do, will write) become modal + be + past participle (can be done, will be written).

Voice Formula Table — All Tenses

Below is the complete transformation grid for every tense tested in Class 8 English Honeydew. Memorise the 'be' form corresponding to each tense; that is the most common error point. Present continuous passive uses 'is/am/are being + past participle'; past continuous uses 'was/were being + past participle'. Perfect tenses use 'has/have/had been + past participle'. Future uses 'will be + past participle'. Imperative sentences (commands) convert to 'Let + object + be + past participle' in passive voice. Questions in passive invert the subject and auxiliary ('Was the letter written by him?'). Negative passives insert 'not' after the first auxiliary ('The work has not been completed').

Reported Speech — Conversion Rules and Formula

Reported speech (indirect speech) converts what someone said without using their exact words. The CBSE Class 8 English Honeydew Grammar Toolkit focuses on statements, questions, and commands. The reporting verb (said, told, asked, ordered) introduces the reported clause. When the reporting verb is in the past tense, the tense of the reported clause shifts one step back: present simple → past simple, present continuous → past continuous, present perfect → past perfect, past simple → past perfect, will → would, can → could, may → might. Pronouns change according to the speaker and listener: 'I' may become 'he/she', 'you' may become 'I/we/they', depending on context. Time and place words shift: today → that day, tomorrow → the next day, yesterday → the previous day, now → then, here → there, this → that, these → those. If the reporting verb is present or future, no tense shift occurs.

Remove inverted commas and question marks; use 'that' after reporting verbs for statements.
For questions, use 'asked' or 'enquired' + if/whether (Yes/No questions) or question word (Wh- questions), then normal sentence order (subject + verb).
For commands, use 'told/ordered/advised + object + to + base verb' (affirmative) or 'not to + base verb' (negative).
Shift pronouns logically: if Ram says 'I am busy', reported by you it becomes 'Ram said that he was busy.'
No tense shift if the statement is a universal truth: 'The teacher said that water boils at 100°C.' (present tense retained).

Reported Speech Tense-Shift Table

This table is the backbone of reported-speech questions in CBSE Class 8 exams. Each direct-speech tense maps to exactly one reported-speech tense when the reporting verb is past. Write this table on the first page of your answer sheet during the exam as a quick reference. Remember that modal verbs also shift: will → would, can → could, may → might, shall → should. The modals must, ought to, and used to do not change. Past perfect and past perfect continuous remain unchanged because they are already the furthest back in time. Pay special attention to pronoun and adverb changes; they cause more errors than tense shifts in student answers. Practice converting at least ten sentences from each tense row to lock in the pattern. The 2024 CBSE Class 8 English paper carried four marks for a reported-speech question, split between tense shift and pronoun accuracy.

Modal Auxiliaries — Meaning, Usage and Formula Chart

Modals are helping verbs that express ability, possibility, permission, obligation, advice, or necessity. The Grammar Toolkit in Class 8 English Honeydew introduces twelve modals: can, could, may, might, will, would, shall, should, must, ought to, need, dare. Modals have unique grammatical behaviour: they never add 's' in third person singular ('He can swim', not 'He cans swim'), they are always followed by the base form of the main verb without 'to' (except 'ought to' and 'used to'), they form questions by inversion ('Can you help?'), and negatives by adding 'not' ('She cannot go'). Each modal carries a core meaning, but context determines the exact sense. For example, 'could' can express past ability ('I could run fast as a child') or polite present request ('Could you pass the salt?'). CBSE papers test modal substitution, error correction, and gap-filling, so knowing both meaning and structure is essential for full marks in grammar sections of the Class 8 English exam.

Can: ability (present) or permission (informal). Example: 'She can speak French.' / 'Can I borrow your pen?'
Could: past ability, polite request, or possibility. Example: 'He could solve the puzzle yesterday.' / 'Could you help me?'
May: permission (formal) or possibility. Example: 'You may leave now.' / 'It may rain tonight.'
Might: slight possibility or polite suggestion. Example: 'She might visit us.' / 'You might want to check again.'
Will: future action or willingness. Example: 'I will call you tomorrow.' / 'Will you marry me?'
Would: polite request, past habit, or hypothetical situation. Example: 'Would you like tea?' / 'I would play cricket every evening.'
Shall: future (formal, mostly first person) or suggestion. Example: 'I shall return.' / 'Shall we dance?'
Should: advice, duty, or expectation. Example: 'You should study daily.' / 'He should be here by now.'
Must: strong obligation or logical conclusion. Example: 'You must wear a helmet.' / 'She must be tired after the journey.'
Ought to: moral duty or advice (similar to should). Example: 'We ought to respect elders.'
Need: necessity (used as modal in negatives and questions). Example: 'Need I come?' / 'You need not worry.'
Dare: courage or challenge. Example: 'How dare you speak to me like that?'

Phrasal Verbs — High-Frequency List and Meanings

A phrasal verb is a combination of a verb and one or more particles (prepositions or adverbs) that together create a meaning different from the individual words. For instance, 'give up' means 'quit', not 'give' + 'up'. The Grammar Toolkit chapter in NCERT Class 8 English Honeydew lists phrasal verbs commonly seen in reading passages and writing tasks. Phrasal verbs are idiomatic; you cannot translate them literally. They appear frequently in CBSE comprehension passages and are tested in gap-fills, synonym replacement, and error-spotting questions. Some phrasal verbs are separable: you can insert the object between the verb and particle ('pick it up' or 'pick up the book'). Others are inseparable: the particle must stay with the verb ('look after the baby', not 'look the baby after'). Learning these verbs in context sentences is more effective than rote memorisation. Many phrasal verbs have multiple meanings depending on context, so always check usage examples before applying them in your writing during the CBSE Class 8 annual exam.

Break down: stop functioning (machine) or lose emotional control. 'The car broke down on the highway.'
Bring up: raise a topic or rear a child. 'She brought up the issue in the meeting.' / 'They brought up three children.'
Call off: cancel. 'The match was called off due to rain.'
Carry on: continue. 'Please carry on with your work.'
Come across: find by chance. 'I came across an old photograph.'
Get along: have a friendly relationship. 'She gets along well with her classmates.'
Give up: quit or stop trying. 'He gave up smoking last year.'
Look after: take care of. 'She looks after her younger brother.'
Look into: investigate. 'The police will look into the matter.'
Put off: postpone. 'We put off the meeting until next week.'
Run into: meet unexpectedly. 'I ran into an old friend at the market.'
Take after: resemble a parent or relative. 'She takes after her mother.'
Turn down: reject or refuse. 'He turned down the job offer.'
Turn up: arrive or appear. 'She turned up late for the party.'

Memory Tricks and Mnemonics for Grammar Toolkit

Mnemonics and memory aids make revision faster and reduce silly mistakes under exam pressure. For voice transformation, remember PAB: Past participle, Appropriate 'be', By-phrase. For reported speech, use the STOP rule: Shift Tense One step back, pronouns change according to Point of view. For modals, the phrase 'Can May Must Will' reminds you of the four most tested modals; add 'Should' for advice. For phrasal verbs, create a short story using five verbs in sequence: 'I came across a letter, looked into the matter, called off the plan, gave up hope, but turned up at the meeting anyway.' Repetition in context cements meaning better than isolated lists. Another trick for passive voice: if you can add 'by zombies' after the verb and the sentence still makes sense, it is passive. Active: 'Zombies ate the cake.' Passive: 'The cake was eaten (by zombies).' This silly test works every time and is popular among Class 8 students across CBSE schools. Use color coding in your notes: write all past participles in one color, all modals in another, all phrasal-verb particles in a third color to create visual memory anchors during last-minute revision the night before your English exam.

PAB for passive voice: Past participle + Appropriate 'be' + By-phrase.
STOP for reported speech: Shift Tense One step back + Pronouns change by Point of view.
Zombie test for passive: Add 'by zombies' after the verb; if it fits, sentence is passive.
Modal reminder: Can May Must Will Should (covers ability, permission, obligation, future, advice).
Phrasal-verb story: Create a mini-narrative using ten verbs in two sentences to link meanings.
Color-code your formula sheet: one color for each grammar category (voice, reported, modals, phrasal verbs).

Common Mistakes and Error-Spotting Alerts

Every year, CBSE Class 8 English papers include a 4-mark editing or error-spotting task where half the errors are from the Grammar Toolkit topics. The top mistake in voice is forgetting the 'by' phrase or using the wrong 'be' form for the tense. Students write 'The letter is written him' instead of 'The letter is written by him', or 'The letter was being wrote' instead of 'was being written'. In reported speech, the most common error is failing to shift the tense ('He said he will come' instead of 'He said he would come') or forgetting to change pronouns ('She said that I am tired' instead of 'She said that she was tired'). With modals, students incorrectly add 's' in third person ('He cans do it') or insert 'to' before the base verb ('She must to go'). For phrasal verbs, literal translation causes confusion: 'look after' translated as 'देखना बाद में' makes no sense; the meaning 'take care of' must be memorised. Another frequent error is separating inseparable phrasal verbs ('look the baby after' instead of 'look after the baby'). Practice error-spotting exercises from previous CBSE question papers; the same error types repeat every year, and spotting them quickly adds easy marks to your grammar score in the Class 8 English annual exam.

Voice errors: wrong 'be' form for tense, missing 'by', using base verb instead of past participle.
Reported-speech errors: tense not shifted, pronouns unchanged, time words not adjusted, 'that' omitted after 'said'.
Modal errors: adding 's' in third person, inserting 'to' before the base verb, using modal + modal ('will can go').
Phrasal-verb errors: literal translation, separating inseparable verbs, wrong preposition ('give in' vs 'give up').
Question formation errors in reported speech: keeping inverted order ('He asked where was she' instead of 'He asked where she was').

Three Solved Mini-Examples Applying the Formulas

Working through examples under timed conditions builds speed and confidence. Each example below applies one or more formulas from the Grammar Toolkit chapter. Example 1 combines voice and tense identification. Example 2 tests reported-speech conversion with pronoun and time-word changes. Example 3 requires choosing the correct modal and phrasal verb in context. Copy these examples into your notebook and cover the solution, then attempt them independently. Check your answer against the solution and note any mistakes. Repeat this process with examples from NCERT Class 8 English Honeydew solutions and previous CBSE sample papers. Aim to solve one example from each grammar topic every day in the two weeks before your exam. This spaced practice is proven to improve recall and accuracy far more than cramming all examples the night before. Many Delhi and NCR CBSE schools report that students who solve at least 30 mixed grammar questions score 2–3 marks higher in the language section of the Class 8 English annual exam compared to those who only read notes without practice.

One-Glance Last-Minute Revision Box

Use this box the night before your CBSE Class 8 English exam for a final sweep of all formulas and rules. Voice: Object becomes subject, verb becomes past participle with correct 'be' form, add 'by + agent'. Reported Speech: Tense shifts one step back if reporting verb is past, pronouns and time/place words adjust, use 'that' for statements, 'if/whether' or question word for questions, 'to + base verb' for commands. Modals: Never add 's', never use 'to' (except ought to), express ability/permission/obligation/advice/possibility. Phrasal Verbs: Verb + particle = new idiomatic meaning; learn in context, not word-by-word. Common errors: missing 'by' in passive, forgetting tense shift in reported speech, adding 's' or 'to' with modals, literal translation of phrasal verbs. Practice error-spotting and gap-fills daily. Keep this revision box on your phone lock screen or print it on a card; five minutes of review before bed primes your memory for recall during the exam. Students using CBSETUTOR.ai can upload a photo of any confusing sentence from their Grammar Toolkit exercises and get instant step-by-step explanations with formula breakdowns, available 24×7 at a flat ₹999 per month for all classes 6–12, with a 3-day free trial to experience AI-powered doubt solving before committing.

Voice quick check: Can you add 'by zombies'? If yes, it is passive. If no, it is active.
Reported speech quick check: Is the reporting verb past? Then shift tense one step back and adjust pronouns and time words.
Modal quick check: Does the sentence need ability, permission, obligation, advice, or possibility? Pick the matching modal from the chart.
Phrasal verb quick check: Does the combination have a special meaning different from the individual words? Then it is a phrasal verb; look up or recall the idiomatic meaning.
Error-spotting priority: Check 'be' form in passive, tense shift in reported speech, 's' or 'to' after modals, correct particle in phrasal verbs.

Frequently asked questions

What is the easiest way to remember active and passive voice formulas for CBSE Class 8 English?+

Use the PAB mnemonic: Past participle, Appropriate 'be' form for the tense, By-phrase for the agent. First identify the tense of the active sentence, then choose the matching 'be' auxiliary (is/am/are for present, was/were for past, will be for future, has/have been for present perfect, etc.), convert the main verb to past participle, and add 'by + doer'. Practice five sentences daily from each tense to lock in the pattern before your exam.

How do I know which tense to use in reported speech when the reporting verb is past?+

Shift the direct-speech tense one step back in time: present simple → past simple, present continuous → past continuous, present perfect → past perfect, past simple → past perfect, will → would, can → could, may → might. If the statement is a universal truth or habitual fact, the tense may remain unchanged. Always shift pronouns to match the new speaker-listener relationship and adjust time/place adverbs (today → that day, here → there).

Why can I not add 's' to modals in third person singular in Class 8 English?+

Modals are special auxiliary verbs that do not follow regular conjugation rules. They remain the same for all persons and numbers. You write 'He can swim' and 'She must go', never 'He cans swim' or 'She musts go'. This is a fixed grammatical rule in English. Modals are always followed by the base form of the main verb without 'to' (except 'ought to'), and they form questions by inversion and negatives by adding 'not'.

What is the difference between 'can' and 'could' when asking for permission in CBSE English grammar?+

'Can' is used for informal permission or ability in the present: 'Can I borrow your pen?' or 'I can swim.' 'Could' is the polite or formal version of 'can' and is also used for past ability or hypothetical situations: 'Could you please help me?' (polite request), 'I could run fast as a child' (past ability), 'If I had time, I could visit you' (hypothetical). In CBSE Class 8 exams, both are correct for permission, but 'could' is considered more polite.

How do I convert an imperative sentence to passive voice in Class 8 English Honeydew?+

Imperative sentences (commands) convert to passive using the structure: Let + object + be + past participle. For example, 'Close the door.' becomes 'Let the door be closed.' and 'Do not touch the wire.' becomes 'Let the wire not be touched.' This pattern is tested in CBSE voice-transformation exercises and carries 1 mark per sentence. Remember, the 'by you' is usually omitted in passive imperatives because the doer is obvious.

What are the most important phrasal verbs to memorise for CBSE Class 8 English exam?+

Focus on these fourteen high-frequency phrasal verbs from NCERT Honeydew: break down, bring up, call off, carry on, come across, get along, give up, look after, look into, put off, run into, take after, turn down, turn up. Learn each in a context sentence, not in isolation. Practice gap-fill and synonym-substitution exercises with these verbs. CBSE papers typically test 2–3 phrasal verbs per exam, each worth 1 mark.

Do I need to shift the tense in reported speech if the reporting verb is in present or future tense?+

No. Tense shift is required only when the reporting verb is in the past tense. If the reporting verb is present ('He says that...') or future ('He will say that...'), the tense of the reported clause does not change. For example, Direct: 'I am busy,' he says. Reported: He says that he is busy. (No shift.) This rule saves time in CBSE exams; always check the reporting verb tense before applying the shift formula.

What is the difference between separable and inseparable phrasal verbs in Class 8 English?+

Separable phrasal verbs allow the object to come between the verb and the particle: 'pick up the book' or 'pick the book up', or with pronouns 'pick it up' (not 'pick up it'). Inseparable phrasal verbs keep the verb and particle together: 'look after the baby' (not 'look the baby after'). NCERT does not label every verb as separable or inseparable, so learn standard usage from examples. When in doubt, keep the particle with the verb.

How many marks are grammar questions worth in the CBSE Class 8 English annual exam?+

The grammar section (including voice, reported speech, modals, and phrasal verbs) typically carries 12–16 marks out of 80 in the CBSE Class 8 English annual exam, distributed across gap-fills, editing, sentence transformation, and integrated grammar exercises. Voice and reported speech usually account for 4 marks each, modals and phrasal verbs for 2–3 marks each. Securing full marks in grammar is achievable with formula-based practice and requires less subjective judgment than creative writing.

Can CBSETUTOR.ai help me practice Grammar Toolkit questions with instant feedback?+

Yes. CBSETUTOR.ai offers 24×7 AI tutoring where you can upload a photo of any grammar exercise from NCERT Class 8 English Honeydew Chapter 10 or your school worksheet. The AI provides step-by-step solutions, formula explanations, and common-error alerts in seconds. It covers voice transformation, reported speech, modals, and phrasal verbs with worked examples. The service costs a flat ₹999 per month for all subjects and classes 6–12, and includes a 3-day free trial so you can test the platform before your next English exam.

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