Question

помогите(раскройте скобки,употребляя глаголы в Present,Past,Future Simple;Present,Past,Future Progressive:
1)When you (to come) yesterday?
2)Where (to be) you yesterday?-I (to be) at home.-I (to ring) you up at two o'clock,but nobody (to answer).-Oh,I (to be) in the garden,I (to read) a book and (not to hear) the telephone.
3)Nina (to celebrate) her birthday yesterday.
4)The students (to be) in the classroom now.

Answer 1

1) did you come
2) were / was / rang / answered / was /  was reading / did not hear
3) was celebrating
4) are