1)not carl
2)not marge
3)its not my ball
3)they srent my grandparents
5)these arent pencils
not cats
not you
not bearsy friend
not my books
its not my sister and i
1. Carl isn't my friend.
2. Marge isn't fat.
3. My ball isn't pink.
4. My grandparents aren't very old.
5. These pencils aren't new.
6. I am not a man.
7. Cats aren't wild animals.
8. You aren't a boy.
9. Bears aren't orange.
10. My books aren't red.
11. My sister and I aren't at home.
Объяснение: Для отрицания после подлежащего I пиши am not: I am not a doctor.
После He, She, It пиши is not= isn't.
После You, We, They пиши : are not=aren't. We aren't workers.