Измените предложения по модели.Model: We often write letters to our parents.

1) We often write letters to our parents. (Present Simple)
2) What are you writing now? (Present Continuous)
3) Yesterday they were writing tests from 10 till 12 o'clock.( Past Continuous)
4) Who has written this letter? (Present Perfect)
5) I wrote some letters last week. (Past Simple)
6) What are you writing tomorrow at 10? (Past Continuous)
7) When I come to her, she writes a letter (Present Simple)
8)Will you write letters tomorrow? (Future Simple)
9)I am not writing, I will write it in some days? (Present Continuous, Future Simple)
10) Is he writing his home task now? (Present Continuous)
11) What was she writing in the evening yesterday? (Past Continuous)
12)As a rule, he WRITES tests well