UP Board Solutions Class 9 English Chapter 4 Primary Auxiliaries Be Have Do

Solved Exercises Based On Text Book

Exercise 1

Fill in the blanks with the correct form of the 'Auxiliary Verbs' given in the brackets in the following sentences :
Questions.

Question 1. She must ........................................ received the marksheet by now. (has, have)
Answer: have
In simple words: The auxiliary verb 'have' is used with 'must' to indicate a completed action that is expected to be finished by now.

🎯 Exam Tip: Remember that 'must' followed by 'have' + past participle expresses a strong probability about a past event.

Question 2. You ........................................ not go to school today. (are, did, have)
Answer: did
In simple words: The auxiliary 'did' is used here to form the negative past simple tense, indicating that you did not go to school.

🎯 Exam Tip: 'Did not' is essential for forming negative statements and questions in the simple past tense for most verbs.

Question 3. He ........................................ not work hard nowadays. (is, does, has)
Answer: does
In simple words: The auxiliary 'does' is used for forming negative statements in the simple present tense for third-person singular subjects like 'he'.

🎯 Exam Tip: For third-person singular subjects (he, she, it), use 'does' with 'not' for present simple negative sentences.

Question 4. He ........................................ not beat his sister. (is, do, did)
Answer: did
In simple words: 'Did' is correctly used here to form the negative of a past action, meaning he did not beat his sister.

🎯 Exam Tip: 'Did not' is used for all subjects (I, you, he, she, it, we, they) to form negative statements in the simple past tense.

Question 5. The milkman........................................ not come. (are, has, have)
Answer: has
In simple words: 'Has' is used here with 'not come' to indicate an action that started in the past and has an effect on the present, specifically, the milkman has not arrived yet.

🎯 Exam Tip: Use 'has' with third-person singular subjects (milkman, he, she, it) for the present perfect tense.

Question 6. Why ........................................ she weeping bitterly? (are, was, were)
Answer: was
In simple words: 'Was' is used here because the subject 'she' is singular and the sentence is in the past continuous tense, describing an action happening in the past.

🎯 Exam Tip: 'Was' is used with singular subjects (I, he, she, it) in the past continuous tense, while 'were' is used with plural subjects (you, we, they).

Question 7. When........................................ she going to the temple? (is, was, were)
Answer: was
In simple words: 'Was' is correctly used as the auxiliary for the singular subject 'she' in a past continuous question, asking about her activity in the past.

🎯 Exam Tip: Ensure subject-verb agreement in past continuous tense questions; singular subjects take 'was'.

Question 8. He ........................................ not do his duty. (does, did, has)
Answer: does
In simple words: 'Does' is used here as the auxiliary for the third-person singular subject 'he' to form a negative statement in the simple present tense.

🎯 Exam Tip: For regular actions or habits in the present simple, use 'does not' for third-person singular subjects to form negative sentences.

Question 9. She ........................................ not help her friend in difficulty. (does, do, did)
Answer: does
In simple words: 'Does' is the appropriate auxiliary for the singular subject 'she' to express a negative action or characteristic in the simple present tense.

🎯 Exam Tip: The auxiliary 'does' is always used with 'not' and the base form of the main verb for negative sentences with 'he', 'she', 'it' in the present simple.

Question 10. We........................................ not go there yesterday. (do, does, did)
Answer: did
In simple words: 'Did' is the correct auxiliary verb for forming a negative statement in the past simple tense, indicating that 'we' did not go there yesterday.

🎯 Exam Tip: The presence of a time marker like 'yesterday' clearly indicates the need for the past simple tense, hence 'did not'.

Exercise 2

Fill in the blanks with the correct form of the 'Auxiliary Verbs' given in the brackets in the following sentences :
Questions.

Question 1. When I ........................................ entered the room, the teacher started teaching........................................(have)
Answer: had
In simple words: 'Had' is used here to form the past perfect tense ('had entered'), indicating an action that was completed before another past action ('started teaching').

🎯 Exam Tip: The past perfect tense (had + past participle) is crucial for showing the sequence of two past events, where one happened before the other.

Question 2. It was a winter night. We ........................................ sitting round the fire.
Answer: were
In simple words: 'Were' is used with the plural subject 'We' to form the past continuous tense, describing an ongoing action in the past.

🎯 Exam Tip: Always ensure subject-verb agreement in the past continuous tense; plural subjects like 'we' take 'were'.

Question 3. (be)........................................ he know your address? (do)
Answer: Does
In simple words: 'Does' is used at the beginning of the sentence to form a question in the simple present tense for the third-person singular subject 'he'.

🎯 Exam Tip: For questions in the simple present tense with 'he', 'she', or 'it', start with 'Does'.

Question 4. He must ........................................ received my parcel by now.(have)
Answer: have
In simple words: 'Have' is used after the modal verb 'must' to form a perfect infinitive, indicating a strong probability that an action has been completed.

🎯 Exam Tip: After modal verbs, if you're talking about a completed action, use 'have' followed by the past participle of the main verb.

Question 5. Man ........................................ the only animal that can laugh. (be)
Answer: is
In simple words: 'Is' is used as the present simple form of the verb 'to be' for the singular subject 'Man', stating a general truth.

🎯 Exam Tip: Use 'is' for singular nouns or pronouns (he, she, it) when stating facts or general truths in the present tense.

Question 6. The Head-Master ........................................ very disappointed. (be)
Answer: is
In simple words: 'Is' is the correct form of 'to be' for the singular subject 'The Head-Master' in the present simple tense, describing his current state.

🎯 Exam Tip: When describing a current state or condition for a singular subject, the present simple form 'is' is appropriate.

Question 7. Ι........................................ my homework at seven o'clock this morning. (do)
Answer: did
In simple words: 'Did' is the past simple form of 'do', used here to indicate a completed action at a specific time in the past ('this morning').

🎯 Exam Tip: Use 'did' when referring to actions completed at a definite time in the past.

Question 8. As he........................................ not there, I spoke to his brother. (be)
Answer: was
In simple words: 'Was' is used here as the past simple form of 'to be' for the singular subject 'he', indicating his absence in the past.

🎯 Exam Tip: For a singular subject in the past tense, use 'was' to describe a state or condition.

Question 9. You ........................................ guilty. (be)
Answer: are
In simple words: 'Are' is the correct form of 'to be' for the subject 'You' in the present simple tense, describing a current state.

🎯 Exam Tip: Always use 'are' with the pronoun 'you' (whether singular or plural) in the present tense to express a state or quality.

Question 10. Since we........................................ late, we were not admitted. (be
Answer: were
In simple words: 'Were' is the appropriate form of 'to be' for the plural subject 'we' in the past tense, explaining the reason for not being admitted.

🎯 Exam Tip: 'Were' is used for plural subjects (we, you, they) in the past tense to describe a state or condition.