1) Anne does not answer my questions.2) Do they sell tomatoes in this shop?3) This girl does not wear trousers at school.4) Does Mr Barker teach Physics?5) The guinea pigs do not hide under the desk.6) Does Ken often miss the school bus?7) The poster does not hang on the wall anymore.8) Do you pay for the tickets?9) The boys do not throw stones.10) Do the bells of your church still ring?

1) When were you in London?2) We did not live in a flat when we were in Paris.3) What did you lose yesterday?4) He did not do magic tricks at the party.5) Mandy did not tidy up her room on Thursday.6) Did Frank share a room with Henry when they were in Rome?7) I did not like Physics at school.8) Did the shop assistant take 10 percent off the price?9) She used the correct word in the exercise.10) Why did the baby cry this morning?

1) She was carrying a heavy bag.2) Were they shaking hands?3) I was not using a screwdriver.4) Was the teacher explaining the exercises?5) He was not helping in the kitchen.6) The people were enjoying themselves.7) Was Nick digging in the garden?8) He thinks you were driving too quickly.9) We were not hurrying.10) Were you not swimming when someone stole your clothes?