Ответ:
1) She painted this picture yesterday.
Did she paint this picture yesterday?
Yes, she did. She painted this picture yesterday.
No, she didn't paint this picture yesterday.
2) They saw Harry Potter yesterday.
Did they see Harry Potter yesterday?
Yes, they did. They saw Harry Potter yesterday.
No, they didn't. They did not see Harry Potter yesterday.
3) The boy was with his family last weekend.
Was the boy with his family last weekend?
Yes, he was. The boy was with his family last weekend.
No, he wasn't. He wasn't with his family last weekend.
4) Kelly thought Emma's new shoes were nice.
Did Kelly think Emma's new shoes were nice?
Yes, she did. Kelly thought Emma's new shoes were nice.
No, she didn't. Kelly didn't think Emma's new shoes were nice.