WREN & MARTIN's English grammar-Infinitive-practice

 

The Infinitive: 10 Practice MCQs

1. _______ is human; to forgive, divine.

A. To err

B. Erring

C. Erred

D. To erring

2. I want _______ a story.

A. tell

B. telling

C. to tell

|D. told

3. He made me _______ the whole story.

A. to repeat

B. repeating

C. repeat

D. repeated

4. It is easy _______ fault with others.

A. find

B. to find

C. finding

D. found

5. You need not _______ any longer.

A. to stay

B. staying

C. stay

D. stayed

6. I saw him _______ the street.

A. to cross

B. cross

C. crossed

D. crosses

7. He is too tired _______ any further.

A. walk

B. to walk

C. walking

D. walked

8. Let him _______ if he wishes.

A. to go

B. going

C. go

D. gone

9. We heard her _______ a sweet song.

A. to sing

B. sing

C. sang

D. sung

10. To _______ is to believe.

A. see

B. seen

C. seeing

D. saw

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Answer Key

Question	Answer	Explanation
1	A	'To err' is used as the subject of the verb 'is'.
2	C	The infinitive 'to tell' is the object of the transitive verb 'want'.
3	C	After certain verbs like 'make', 'let', 'bid', the 'to' is omitted (Bare Infinitive).
4	B	The infinitive 'to find' acts as the real subject of the sentence.
5	C	After auxiliary verbs like 'need' (in negatives/questions), 'to' is omitted.
6	B	After verbs of perception like 'see', 'hear', 'feel', the bare infinitive is used.
7	B	The 'too...to' structure uses an infinitive to express purpose or result.
8	C	'Let' is always followed by an infinitive without 'to'.
9	B	After 'hear', the 'to' is dropped from the infinitive.
10	A	'To see' is an infinitive used as a noun (the subject).