Explanation
A verb is used to express an occurrence, action, or state. It is the grammatical centre of the predicate in a sentence.
An auxiliary verb is a verb which gives is used in the formation of tenses, moods, tones, etc.
Option B is correct as the subject is singular/plural and to do is used to express the function of the society
The other options are wrong as do can not used as a verb here.
The correct answer is B)To do
The auxiliary verb, 'do' is used to form the negative and interrogative form of the simple present/ past tense. (Example: Do you know?) It is used to emphasise the affirmative nature of a statement. (Example: You do look weak). It is also used in the imperative to make a request more persuasive. (Example: Do be quiet). The given sentence does not fall under any of the above categories. Hence, the options A and B (which are forms of the auxiliary verb 'do') are incorrect.
The word, 'asking' is the present participle form of the verb, 'ask'. Hence, this sentence is in present perfect tense. The auxiliary verb, 'have' is used to form perfect tense. Hence, the answer is either 'have' or 'has'.
If the subject is in third person, singular form, the auxiliary verb, 'has' is used. Else, the auxiliary verb form, 'have' is used. Here the subject is 'My friends', which is in third person, plural form. Hence, 'has' cannot be used and 'have' is the suitable verb. Hence, option C is correct and Option D is incorrect.
The auxiliary verb, 'do' is used to form the negative and interrogative form of the simple present/ past tense. (Example: Do you know?) It is used to emphasize the affirmative nature of a statement. (Example: You do look weak). It is also used in the imperative to make a request more persuasive. (Example: Do be quiet). The given sentence does not fall under any of the above categories. Hence, the options A and B (which are forms of the auxiliary verb 'do') are incorrect.
The auxiliary verb, 'have' is used to form the perfect tense.The word, 'arrived' is the present participle form of the verb, 'arrive'. Hence, this sentence is in the present perfect tense. Hence, the answer is either-'have' or 'has'.
If the subject is in the third person singular form, the auxiliary verb, 'has' is used. Otherwise, the auxiliary verb, 'have' is used. Here the subject is 'The train', which is in the third person, singular form. Hence, 'have' cannot be used and 'has' is the suitable verb. Hence, option C is incorrect and Option D is correct.
An auxiliary verb is a verb that is used along with another main verb to form tenses, negatives, and questions. Examples are: 'be', 'have' and 'do'. It usually comes before the main verb.
The auxiliary verb, 'have' is used to form perfect tenses or used with an infinitive to express an obligation (Example: I have to be there). In the given sentence, the clause, 'They _____ not want to go' is in simple present tense form and not in the perfect tense. The main verb is 'want' and it is not in infinitive form. There is no mention of obligation either. Hence, the auxiliary verb, 'have' cannot be used. The words, 'have' and 'has' are forms of the auxiliary verb, 'have'. Hence, both options C and D are incorrect.
The auxiliary verb, 'do' is used to form negative of the simple present tense. In the given sentence, we see the word, 'not'. This indicates that the simple present tense of 'want to go' is getting converted to negative form. Hence, the correct answer is either 'do' or 'does'.
If the subject is in the third person, singular form, the auxiliary verb, 'does' is used. Otherwise, 'do' is used. The subject, 'they' is in the third person, plural form. Hence, option A is correct and option B is incorrect.
The auxiliary verb, 'have' is used to form perfect tenses or used with the infinitive to express an obligation (Example: I have to be there). In the given sentence, the clause, '_____ he know' is in simple present tense form and not in the perfect tense. There is no infinitive or obligation. Hence, the auxiliary verb, 'have' cannot be used. Hence, both options C and D are incorrect.
The clause, "_____ he know' is an interrogative in the simple present tense. The appropriate form of the auxiliary verb, 'do' is used in the interrogative of simple present and simple past tenses. So, the answer is either 'do' or 'does'. If the subject is in the third person singular form, the auxiliary verb, 'does' is used. Otherwise, 'do' is used. Here the subject is 'he', which is in the third person singular form. Hence, option B is the correct answer and option A is incorrect.
Identify the verb which will fill the blank suitably:
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