1. We use the Infinitive
after certain verbs such as want, wish, agree, appear, expect, hope, learn, manage, offer, promise, refuse, seem, teach
1. Every wanted she to win the race.
2. Do you want me to come tomorrow.
3. The burglar wanted to escape from the prison.
4. His father wants him to become a chemist.
5. I wish to apply for a position I just saw in the newspapper.
6. We wished to see the murder in the prison.
7. He could not learn to read or write.
(But remember that we do not use the Infinitive with the verbs enjoy, finish, avoid, etc.)
2. We use the Infinitive in the expressions: to see (you), to tell (you) the truth, to be honest, to begin with, to sum up, to start with
1. To see you is a real pleasure.
(It is a pleasure to see you.)
2. To be honest, I hate watching horror films.
3. To tell you the truth, I don't like you at all..
4. We use the Infinitive to express a purpose:
1. He died to save them.
2. My father stoped to smoke.
(But we say: My father stopped smoking.)
3. They stopped to rest.
4. They stopped for us to drink water.
5. After the verbs ask, expect, mean (=intend), would like, would prefer there are two possible structures:
verbs + to + infinitive
1. I asked to see the manager.
2. They expected to be late.
4. Tom would like to work abroad.
verb + object + to + infinitive:
1. I asked Steve to help me.
2. We expected him to be late.
4. James would like me to come.
5. I asked my friend to go with me.
after help you can use the infinitive with or without "to":
1. My father helped me (to) carry the bags up stairs.
2. Can somebody help me (to) move this table.
3. They helped the family (to) get setteled here.
6. After the verb allow, recommend, encourage, advise, permit there are two possible structure:
verb + object + to + infinitive /1, 3/ and verb+ -ing (without an object) /2, 4/:
1. He doesn't allow anyone to smoke in his house.
2. He does't allow smoking in his house.
3. I wouldn't recommend you to visit this country.
4. I wouldn't recommend visiting this country.
7. After dare we canuse the infinitive with or without "to"(1). But after daren't we must use the infinitive without "to" (2):
1. I wouldn't dare to ask him. (or I wouldn't dare ask him.)
2. I daren't tell him what happened. (not "daren't to tell")
8. After the follwing verbs you can use a question word (what, where, how, etc.) + to + infinitive: ask, decide, know, remember, forget, explain, understand
1. We asked how to get to the museum.
2. Have you decided where to go for your holidays?.
3. Edward explained (to me) how to change the weel of the car.
4. We can't decide where to eat tonight.