Use the infinitive with or without to. 1. i had better (not/smoke). 2. i forgot (do) my homework yesterday. 3. i heard them (come) late at night. 4.you won't be able (go) to the party if we don't find the keys. 5. i couldn't go to the cinema because i had (look) after my little sister. 6. susan would rather (study) for her exam tommorrow. 7. can you tell how (get) to the bus stop?

1. I'd better not smoke.
2. I forgot to do my homework yesterday.
3. I heard them come late at night.
4. You won't be able to go to the party if we don't find the keys.
5. I couldn't go to the cinema because I had been looking after my little sister.
6. Susan would rater study for her exam tomorrow.
7. Can you tell me how to get to the bus stop?

1. I had better not smoke.
2. I forgot to do my homework yesterday.
3. I heard them come late at night.
4. You won't be able to go to the party if we don't find the keys.
5. I couldn't go to the cinema because i had to look after my little sister.
6. Susan would rather study for her exam tommorrow.
7. Can you tell how to get to the bus stop?