Time clauses 1. He will wash up before he (to go) to bed.
2. When it (to get) cold i 'Il light the fire.
3. When the Queen (to arrive) the audience will stand up.
4. She (to give) the children their dinner before he comes home.
5. I will pay you when I (to get) my cheque.
6. She (to stay) in bed till the clock strikes seven.
7. He'll have to behave better when he (to go) to school.
8. She will go on until he (to tell) her to stop.
9. The lift (not start) until you press that button.
10. When he (to return) i'll give him the key.​

1. He will wash up before he goes to bed.
- Time clause: before he goes to bed
- The verb "to go" is used in the base form because it follows the structure "before + subject + verb".

2. When it gets cold, I'll light the fire.
- Time clause: when it gets cold
- The verb "to get" is used in the base form because it follows the structure "when + subject + verb".

3. When the Queen arrives, the audience will stand up.
- Time clause: when the Queen arrives
- The verb "to arrive" is used in the base form because it follows the structure "when + subject + verb".

4. She will give the children their dinner before he comes home.
- Time clause: before he comes home
- The verb "to come" is used in the base form because it follows the structure "before + subject + verb".

5. I will pay you when I get my cheque.
- Time clause: when I get my cheque
- The verb "to get" is used in the base form because it follows the structure "when + subject + verb".

6. She will stay in bed till the clock strikes seven.
- Time clause: till the clock strikes seven
- The verb "to strike" is used in the base form because it follows the structure "till + subject + verb".

7. He'll have to behave better when he goes to school.
- Time clause: when he goes to school
- The verb "to go" is used in the base form because it follows the structure "when + subject + verb".

8. She will go on until he tells her to stop.
- Time clause: until he tells her to stop
- The verb "to tell" is used in the base form because it follows the structure "until + subject + verb".

9. The lift will not start until you press that button.
- Time clause: until you press that button
- The verb "to press" is used in the base form because it follows the structure "until + subject + verb".

10. When he returns, I'll give him the key.
- Time clause: when he returns
- The verb "to return" is used in the base form because it follows the structure "when + subject + verb".