Помогите пж это англ глагол To be

Внимательно прочитай предложения. Найди и исправь 6 ошибок.

1). These pictures is old.
2). Sheep is not wild animals.
3). They are domestic animals.
4). Thet man are a doctor.
5). He is not a teacher.
6). The children is in the yard.
7). They are not in the street.
8). These books is not new.
9). A giraffe's neck are not short.
10). It is long.
11). I am tired.
12). That is not my uncle's house.

1) It is pictures is old

2) is sheep's wild animals

3) it is  are domestic animals

4) man a doctor

5) He isn't a teacher

6)+

7)+

8)It is books  not new  

9)+

10) +

11) +

12)+