Сделайте предложения в отрицательной и вопросительной форме they went to school

1. They went to school two hours ago.
Did they go to school two hours ago?
They didnt go to school two hours ago.
2. She was absent from school yesterday.
Was she absent from school yesterday?
She was not absent from school yesterday.
3. We met them last Saturday. Did we meet them last Saturday?
We didnt meet them last Saturday.
4. Our girls are going to learn French.
Are our girls going to learn French?
Our girls are not going to learn French.