Respuesta:
Explicación:
AFFIRMATIVE/NEGATIVE
I am/am not
You are/aren't
She is/isn't
He is/isn't
It is/isn't
They are/aren't
We are/aren't
AFFIRMATIVE:
1. am
2. is
3. are
4. are
5. is
6. we
7. is
8. are
9. am
10. we
11. is
12. is
13. is
14. are
15. are
16. is
17. is
18. are
19. are
20. is
NEGATIVE:
1. am not
2. isn't
3. aren't
4. aren't
5. isn't
6. weren't
7. isn't
8. aren't
9. am not
10. weren't
11. isn't
12. isn't
13. isn't
14. aren't
15. aren't
16. isn't
17. isn't
18. aren't
19. aren't
20. isn't
