1 Question:Did he buy a new car?
Question:Where did he buy the new car?
Nehative:He didn't buy a new car.
2Question:Can she come tomorrow?
Question:when can she come?
Nehative:She can't come tomorrow?
3Question:Were they here yesterday?
Question:When were they here?
Nehative:They weren't here yesterday?
4Question:Must he leave early?
Question:When must he leave?
Nehative:He needn't leave early?
5Question:Did he give you a pen?
Question:What did he give you?
Nehative:He didn't give you a pen.