Помогите решить задания 3.1 и 3.2

3.1

1. was

2. are

3. are

4. is

5. is

6. is

7. is

8. is

9. are

10. ... is ...? It is ...

11.  are

12.  is

13.  is

14. are

15. is

16.  is

17. ... are ...? I am ... .

18. are

19. is

20. will be

21. are

22. is

23. is

24. There are pupils in our class now.  (24 и 25 смешаны)

3.2

1. is

2. is

3. are

4. are

5. are

6. are

7. are

8. are

9. There are many problems  (ошибка в предложении)

10. are