Помогите пожалуйста.Предложения к домашнему заданию.
1.If you ( give) me your address, I shall write you a letter.
2.If it rains, we (to stay) at home.
3.When my sister does not go to the south, we (to go) to Moscow.
4.If my friend (to be ) at home, he will tell us what to do.
5.We shall watch TV, when my sister (to come) home.
6.If you (to ring ) me up, I shall tell you a secret.