I helped my mum yesterday.
1 Did I help my mum yesterday?
2 Did I help my mum yesterday or the day before yesterday?
3 I helped my mum yesterday, didn't I?
4 Who helped my mum yesterday?
5 When did I help my mum ?
His friends ate two fish before supper.
1 Did his friends eat two fish before supper?
2 Did his friends eat two fish before or after supper?
3 His friends ate two fish before supper, didn't they?
4 Who ate two fish before supper?
5 When did his friends eat two fish ?
My elder brother always works on the Internet in the evening.
1 Does my elder brother always work on the Internet in the evening?
2 Does my elder brother always work on the Internet in the evening or in the morning?
3 My elder brother always works on the Internet in the evening, doesn't he?
4 Who always works on the Internet in the evening?
5 When does my elder brother always work on the Internet?
We watched TV after dinner.
1 Did we watch TV after dinner?
2 Did we watch TV before or after dinner?
3 We watched TV after dinner, didn't we?
4 Who watched TV after dinner?
5 When did we watch TV ?
They answered all questions.
1 Did they answer all questions?
2 Did they or we answer all questions?
3 They answered all questions, didn't they?
4 Who answered all questions?
5 What did they answer?
Her mum usually cooks dinner on Sundays.
1 Does her mum usually cook dinner on Sundays?
2 Does her mum usually cook dinner on Sundays or on Mondays?
3 Her mum usually cooks dinner on Sundays, doesn't she ?
4 Who usually cooks dinner on Sundays?
5 When does her mum usually cook dinner?
Denis and Bohdan often play tennis.
1 Do Denis and Bohdan often play tennis?
2 Do Denis and Bohdan often play tennis or football?
3 Denis and Bohdan often play tennis, don't they?
4 Who often plays tennis?
5 What do Denis and Bohdan often do?