Ответ:
1. There is my mother
2. There are my friends
3. There is my cat
4. There are pets
5. There is an apple
6. There are cakes
6. There is my problem
7. There are girls
8. This is a school
9. There are many peoples
10. There is task more difficult
Сори, что так мало. Идей нет
11.