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 wont be able (go) to the party if we dont find the keys. 5. I couldnt 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. Id better not smoke.
2. I forgot to do my homework yesterday.
3. I heard them come late at night.
4. You wont be able to go to the party if we dont find the keys.
5. I couldnt 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?