Вставьте глагол to be в форме Present Simple.
1. Не ... a student. Не ... a good student.
2. His father ... a doctor.
3. My mother ... not a teacher.
4. ... your sister a pupil? — Yes, she ... .
5. They ... at home now.
6. This ... my house.
7. ... they at school? — No, they ... m>t at school.
8. ... your father a pilot? — Yes, he ... .
9. Nick ... not a student. He ... a pupil. He ... at school now.
10. These men ... drivers.
11. My friend ... an engineer. He ... at work.
12. .., your parents at home? — No, they ... not.

1is.is2is3is4is.is5are6is7are.are8is.is9is.is.is10are11is.is12are.areI amyou.we.they arehe,she,it isэто правило надо выучить,и все получится!