Exercise 1: Auxiliary Verbs | Practice Test Online

Question 1:  Which of the following is an example of a countable noun?

(A) Milk

(B) Water

(C) Book

(D) Sugar

Question 2:  What is the auxiliary verb in the sentence: 'She has finished her homework'?

(A) has

(B) finished

(C) her

(D) homework

Question 3:  Choose the correct form of the auxiliary verb to complete the sentence: 'I ___ going to the market tomorrow.'

(A) am

(B) is

(C) are

(D) be

Question 4:  Which of the following sentences uses 'could' as a modal auxiliary verb?

(A) She is going to the party

(B) They could visit us tomorrow

(C) He has eaten his lunch

(D) I am reading a book

Question 5:  Identify the main verb in the sentence: 'They are swimming in the pool.'

(A) They

(B) are

(C) swimming

(D) in

Question 6:  In the sentence 'He will have finished the work by now', what is the auxiliary verb?

(A) will

(B) have

(C) finished

(D) now

Question 7:  Select the sentence with the correct use of the auxiliary verb 'might'.

(A) She might is coming late

(B) They might have finished the project

(C) We might go for a walk yesterday

(D) He might cooking dinner now

Question 8:  What is the auxiliary verb in the sentence: 'You should try your best'?

(A) You

(B) should

(C) try

(D) best

Question 9:  Choose the correct form of the auxiliary verb to complete the sentence: 'They ___ watching a movie right now.'

(A) am

(B) is

(C) are

(D) be

Question 10:  Identify the modal auxiliary verb in the sentence: 'We must finish the assignment today.'

(A) We

(B) must

(C) finish

(D) today