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 is used in the formation of tenses, moods, tones, etc.
Option A is correct as three times a day indicates the use of has to (to suggest compulsion and necessity)
The other options are wrong as no other tense can be used here.
The correct answer is A)has to
Option C is correct as in the end indicates the use of had to.
The correct answer is C) had to
An auxiliary verb is a verb which gives is used in the formation of tenses, moods, tones, etc.
Option D is correct as the sentence is about something in general. Therefore, only simple present tense can be used.
The correct answer is C) am/am
Option C is correct as if and to ask indicate the use of will have.
The other options are wrong as no other form of verb can be used.
The correct answer is C)will have
A preposition is a word which comes before a noun or a pronoun and establishes a relationship between the elements of a clause or words.
Option D is correct as the subject is singular and the question talks about a fact. Therefore, it must use the simple present tense.
The correct answer is D)does/work.
Option B is correct as broke indicates the use of simple past tense. Have is the main verb here.
The correct answer is B) had to
A verb is used to express an occurrence, action, or state. It is the grammatical center of the predicate in a sentence.
Option A is correct as the question is about something general. Therefore, simple present tense can only be used.
The correct answer is A)Does/exist/doesn't
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