1) He worked at a factory/ He didn't work at a factory/ Did he work at a factory?
2) She slept after dinner/ She didn't sleep after dinner/ Did she sleep after dinner?
3) We worked part-time/ We didn't work part-time/Did you work part-time?
4) Mike was a student/Mike wasn't a student/ Was Mark a student?
Объяснение:
Утвердительная форма Past Simple: V2
Негативная форма: did not + V1
Вопросительная форма: did/ /V1...?
