Each sentence contains a mistake. Find the mistake and write the correct sentence.

В каждом предложении есть ошибка. Найдите ошибку и напишите правильное предложение.

1) We has just moved into a new house.

2) She hasn’t put everything into place for.

3) Tom and Mary have packed since 3 o’clock.

4) Mike and Pam have already been returning from work.

5) I have been knowing Alice for 10 years.

6) She has been studying English for she was 6 years.

7) She has writed two essays this week.

8) How long have you waited for me?

9) John has since left.

10) I has cut my finger.