Put the verbs in brackets in the correct form

12. He had closed the all of the doors before he went to bed

-> After………………………………………………………………………….

13. She’ll call the police if he doesn’t leave her alone.

-> Unless ………………………………………………………………………

IV. Put the verbs in brackets in the correct form.

15. Before  I went to the bed, I ( finish) .......................... my homewwork.

16. Look! It (snow) ...................................

17. How long you (know) ................................... Simon?

18. If the weather (be) ............................ fine, the children will walk to