Сделать из их отрицательные и вопросительные предложения В Present Simple Tense1.He

1) отр: He didn't call me last week. вопр: Did he call me last week?
2 отр: They weren't in the police station when I called them. Вопр: Were they in     the police station when I called them.  ?
3) отр: Chris didn't change the light bulb in the kitchen. вопр: Did Chris  change the light bulb in the kitchen?
4) отр: Two years ago we didn't go to Colorado. вопр: Did we go to Colorado two years ago?