1 Does Mr Smith often ask you to dinner?
2 By this time next year he will have left the school.
3 At this moment they are doing an exercise on tenses.
4 I spoke to him only yesterday.
5 You will prepare to your examinations next week.
6 I have already filled the coffee pot.
7 He doesn't play football.
8 What were you doing yesterday evening?
9 We haven't listened to that record yet.
10 When they came I had already sent children away from home.
11 They haven't played tennis together since last May.
12 You had come home by 5 o'clock yesterday.
13 She is coming back on Tuesday.
14 Did your brother study French at school last year?
15 She was talking to her friend at this time yesterday.