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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?