Exercise 3: Auxiliary Verbs | Practice Test Online

Question 1:  In which sentence is the auxiliary verb 'will' used correctly?

(A) He will eat his breakfast yesterday

(B) They will going to the park tomorrow

(C) She will perform in the concert tonight

(D) We will finished our work last week

Correct Answer: 1C

Question 2:  Identify the modal auxiliary verb in the sentence: 'She should arrive before noon.'

(A) She

(B) should

(C) arrive

(D) noon

Correct Answer: 2B

Question 3:  What is the auxiliary verb in the sentence: 'They had been waiting for hours'?

(A) had

(B) been

(C) waiting

(D) for

Correct Answer: 3A

Question 4:  Choose the correct form of the auxiliary verb to complete the sentence: 'He ___ visiting his grandparents next week.'

(A) am

(B) is

(C) are

(D) be

Correct Answer: 4B

Question 5:  Which of the following sentences uses 'might' as a modal auxiliary verb?

(A) She can come tomorrow

(B) They might visit us next month

(C) He has eaten his dinner

(D) I am reading a book

Correct Answer: 5B

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

(A) would

(B) have

(C) finished

(D) now

Correct Answer: 6B

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

(A) He could goes to the gym

(B) They could have finished the project

(C) We could goes for a walk yesterday

(D) She could cooking dinner now

Correct Answer: 7B

Question 8:  What is the auxiliary verb in the sentence: 'You must complete your homework'?

(A) You

(B) must

(C) complete

(D) homework

Correct Answer: 8B

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

Correct Answer: 9C

Question 10:  Identify the modal auxiliary verb in the sentence: 'We could go for a walk after dinner.'

(A) We

(B) could

(C) go

(D) dinner

Correct Answer: 10B