1) He didn't sing. Did he sing? 2) He didn't see an ant. Did he see an ant? 3) Winter didn't come. Did winter come? 4) I didn't work all summer. Did you work all summer?
He did not sing-отрицательная форма Did he sing?- вопрос He didn't see an AntDid he see an Ant? Winter did not come Did winter come? I did not work all summerDid I work all summer?
2) He didn't see an ant. Did he see an ant?
3) Winter didn't come. Did winter come?
4) I didn't work all summer. Did you work all summer?
He didn't see an AntDid he see an Ant?
Winter did not come Did winter come?
I did not work all summerDid I work all summer?