Задать вопрос и отрицание к 8 предложения

1) Are they have some butter?

2) Are there some white roses in her garden?

3) Is he saw somebody in our room?

4) Are you've got something in your right hand?

5) Are they went to school two hours ago?

6) Is she was absent from school yesterday?

7) Are we met them last Saturday?

8) Are we going to learn French?