1.we he helped them last week. 2. i fed my cat in the evening. 3. they froze in the morning. 4. i won in the competitions in tennis. 5. my son broke this beatiful. по 3 предложения, утверждение, отрицания, вопрос

1.We helped them last week. Did  we help them last week? We didn`t help them last week. 
2.I fed my cat in the evening. Did I feed my cat in the evening? I didn`t feed my cat in the evening.
3. They froze in the morning . Did they freeze in the morning? They didn`t freeze in the morning.
4.I won in the competitions ... Did I win in the competitions?  I didn`t win
5. my son broke this. Did my son break this? My son didnt break this.beatiful