9.
1 I do the shopping at the market every Saturday.
2 He has already done this work.
10.
1 We can find all the necessary information on the Internet.
2 I have recently read a very interesting book about adventure.
11.
1 You are going to pass examination in History, aren't you?
2 My little sister is playing with her doll now, isn't she?
12.
1 They always enjoy watching interesting programmes on TV.
2 I wonder if this movie is worth seeing.
13.
1 I want to go for a walk with my dog.
2 Some people enjoy going to the theater very much.