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 A is correct as the subject is plural and the present simple tense is used for a present state, habits,routines, jobs, hobbies or expressing possession, generalizations, scientific statements.
The other options are wrong as the subject is not singular. Knowing and of cannot be used here as they do not follow the grammar rules.
The correct answer is C)do/know/with
Option D is correct as the subject is singular/plural and the present perfect is used for an action leading up to the present.
The other options are wrong as the subject is not plural and the present simple tense is used for a present state, habits,routines, jobs, hobbies or expressing possession, generalizations, scientific statements. Also, the appropriat epreposition to be used here is in.
The correct answer is D)has/in
Option B is correct as the subject is you and this afternoon indicates an action that is going to happen. Infinitive shall be used after the gerund as it is followed by the main verb wash which is in its first form.
The other options are wrong as am is used when the subject is I. Too indicates inclusion of something which is not appropriate to be used in the question.
The correct answer is B)are/to
Option A is correct as the present tense cannot be used and a past action is being talked about.
The other options are wrong as last Sunday indicates past tense.
The correct answer is A)did
Option C is correct as the subject is you and yesterday indicates past tense.
The other options are wrong as the question indicates past tense.
The correct answer is C)Did
Option C is correct as the subject is singular the present continuous is used for a present action over a period of time/ an action that has started but it hasn't finished yet.
The other options are wrong as the subject is not plural and at the moment indicates present continuous tense.
The correct answer is C)is having
Option A is correct as the subject is singular and usually indicates something general or habitual.
The other options are wrong as the question does not indicate past tense and use of what indicates that the question word is already given.
The correct answer is A)does
Option A is correct as when in a question indicates that either we are talking about when the action (first meeting) was held.
The other options are wrong as first meet indicates the use of did as meet is in the first form.
The correct answer is A)Did
Option B is correct as the subject is you and have is the main verb here.
The other options are wrong as the use of you indicates that does cannot be used, the use of have indicates that did and are cannot be used.
The correct answer is B)do
Option A is correct as when have is used as an ordinary verb, it means experience. to connects why are they going for a holiday.
The other options are wrong as have is not used as an auxiliary here. Also , the use of are going to indicate an action to be carried out in the future.
The correct answer is A)to have
Option C is correct as the subject is plural and at the moment indicates present tense.
The other options are wrong as the sentence is not in the past tense and are is used as a helping verb.
The correct answer is C)are
Option C is correct as the subject is the auxiliary verb have is already given and have suggests the use of do in the third form.
The other options are wrong as the main verb is do and the question is in the present perfect tense.
The correct answer is C)done
Option D is correct as the subject is singular and go is the main verb here.
The other options are wrong as the main verb is its first form (go). Does can not be used as 10 years ago suggests past tense.
The correct answer is D)did
Option D is correct as the subject is you and last indicates past tense. Also, go is the main verb here.
The other options are wrong as the use of last indicates past tense and therefore, do,does , and are cannot be used.
Option C is correct as the subject is you and the main verb like is in its first form and the question talks of a hobby (learning English). Do is used as an auxiliary verb here.
The other options are wrong as the question is not in the present continuous or past perfect tense. The given main verb is neither used in its third form nor as a gerund.
The correct answer is C)do
Option D is correct as the subject is I, crash indicates something that happens unfortunately and when indicates time.
The other options are wrong as the sentence does not talk of the present (when, 10)
The correct answer is D) was/ was
Option C is correct as the subject is singular (your mother) and the sentence talks about something general (present tense).
The other options are wrong as speak indicates present tense and how indicates the use of do as an auxiliary verb here.
The correct answer is C)does
Option D is correct as the subject is you and present perfect tense uses the main verb in the third form.
The other options are wrong as be is used as an ordinary verb and indicates the use of auxiliary verb used in the present perfect construction.
The correct answer is D)have/been/have
Option B is correct as the subject is you and last night suggests the use of past tense. Do (did) is used as an auxiliary verb in given blank as do , the main verb is in it first form.
The other options are wrong as what is used as the question word. Does, do, and done cannot be used as the question talks of the past, not present and the main verb is already given respectively.
The correct answer is B)did
Option B is correct as be is used as a main and ordinary verb here.
The other options are wrong as the auxiliary verb has is already used and suggests the use of the present perfect tense. Be, being, and were cannot be used as the sentence uses the present perfect tense ( use of has).
The correct answer is B)been
Therefore from among the options, 'shouldn't' is the most suitable verb to complete the sentence.
Thus, the correct complete sentence is:
Your clothes smell and you've got a cough. You SHOULDN'T smoke.
Therefore from among the options, 'have to' is the most suitable verb to complete the sentence.
I HAVE TO tell my parents where I am so that they don't worry.
I'm going to bed. I HAVE TO be up early tomorrow.
Option B is correct as the subject is singular and when followed by a blank indicates the use of past simple tense. As the question is in the past simple tense, did is used in the first blank and indicates the use of start in its first form.
The other options are wrong as the main verb (start) can only be used in its first form.
The correct answer is B) did/start
Option D is correct as last month indicates past tense.
The other options are wrong as the main verb is its first form (go).
Option B is correct as the subject is singular and new car suggests the use of present perfect tense (bought). Has is used as an auxiliary verb here, the main verb is buy.
The other options are wrong as the main verb is its third form and the subject is not plural.
The correct answer is B)has
Option D is correct as the options indicate the use of present perfect tense and the subject ( Angela, Frank) is singular.
The other options are wrong as subject is not plural. Have is used as an auxiliary and can't take the main verb in its second form.
The correct answer is D) has eaten / hasn't
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