Ответ:

ex.3

1. my father goes...

2. my mother teaches...

3. they do...

4. I watch....

5. I try....

6. writes...

7. I like Maths.

8. my friends play...

ex.4

1.don't speak

2. lives

3. doesn't understand

4. watches

5. makes (?)

6. does (?)

7. goes

8. eat