Ответ:

6.The baby was crying.

Was the baby crying ?

The baby wasn't crying.

7. It was getting dark.

Was it getting dark?

It wasn't getting dark.

8. We were waiting for my cousin.

Were we waiting for my cousin?

We weren't waiting for my cousin.

9. The woman was watching the children on the playground.

Was the woman watching the children on the playground?

The woman wasn't watching the children on the playground.

10. The tourists were taking photos in front of the place.

Were the tourists taking photos in front of the place?

The tourists weren't taking photos in front of the place.