Cкажите, что это не так:
1. I have got a robot
2. I am a student
3. Oleg is a student
4. The student has got a computer
5. They are student
7. He has got a doll
8. He is ten
9. I am his sister
10. They have got a sister
11. They are sister

1. I have not got a robot.
2. I am not a student.
3. Oleg is not a student.
4. The student has not got a computer.
5. They are not students.
7. He has not got a doll.
8. He is not ten.
9. I am not his sister.
10. They have not got a sister.
11. They are not sisters.