Use the correct verb form.
1. He promised (do) his homework.
2. She learned (play) the piano in six months.
3. We decided (see) a movie on television.
4. They suggested (have) a picnic by the river.
5. She refused (go) to the movies with Jacky.
6. (write) English compositions (be) difficult.
7. It (be) important for us (drink) water every day.
8. (speak) English well (be) very difficult.
9. They would like (take) a taxi to the airport.
10. My mother wants me (go) to work early every day.