Some verbs can be followed by either an infinitive or an -ing form. Some can only be followed by an infinitive. Some others can only be followed by -ing forms.
Complete the following sentences with an infinitive or an -ing form.
1My sister and I enjoy ............... in the sea.
Wrong!
After "enjoy", we use "swimming" as the -ing form.
2I think you have forgotten ............... your homework.
Wrong!
After "forget" for something you need to do, use "to do".
3He works hard ............... a living.
Wrong!
We use "to earn" to show the purpose of working hard.
4Rani studies ............... good marks.
Wrong!
We use "to score" to show the purpose of studying.
5The traveler requested the passer-by ............... him a hand.
Wrong!
After "requested someone", we use "to lend" as the infinitive.
6Mother did not let me ............... out with my friends.
Wrong!
After "let me", use the base verb "go".
7He didn't let me ............... his room.
Wrong!
After "let me", use the base verb "enter".
8The children are busy ............... their project.
Wrong!
After "busy", we use "doing" as the -ing form.
9I am looking forward ............... you.
Wrong!
The phrase "looking forward to" is followed by "to seeing" with a gerund after "to".
10I meant ............... the letter, but I forgot.
Wrong!
After "meant" for an intention, use "to post".
Done.
Score: 0/10
Answers
- My sister and I enjoy swimming in the sea.
- I think you have forgotten to do your homework.
- He works hard to earn a living.
- Rani studies to score good marks.
- The traveler requested the passer-by to lend him a hand.
- Mother did not let me go out with my friends.
- He didn’t let me enter his room.
- The children are busy doing their project.
- I am looking forward to seeing you.
- I meant to post the letter, but I forgot.

