1. The burglars have broken into this house twice. 2. Has the investigator examined the evidence yet? 3. The field-criminalist finished taking pictures ten minutes ago. 4. Have you ever seen a robbery? 5. Where were you at 10 o’clock yesterday? 6. The detective has already interviewed witnesses. 7. The robbers escaped in a stolen car yesterday. 8. We have just found footprints at the crime scene. 9. When did you interrogate the thief? 10. What have the thieves stolen from the safe? 11. Have the kidnappers called yet? 12. The beat officer hasn't walked the beat yet. 13. The mugger snatched the woman’s handbag when she was walking home. 14. Have you ever violated the law? 15. The police apprehended the arsonist last week.
3a
a. 1) do you have children? – no, I don't.
2) I don't like this photo. it's terrible.
3) do you want a coffee? – no, I don't drink coffee.
4) I don't have brothers and sisters.
5) do you work here? – no, I don't.
6) do you like my coat? – yes, I do.
b. 1) i don't like football.
2) do you want a magazine?
3) I live in a small house.
4) do you study english?
5) I have two sisters.
6) I don't want a british car.
7) do you live near here?
8) I don't have a mobile phone.
3b
a. 1) do you want coffee or tea?
2) they don't have cereal for breakfast.
3) do you like chocolate?
4) we eat a lot of rice in japan.
5) do you drink coffee in the evening?
6) we don't like Chinese food.
7) they have salad for lunch.
8) do they drink tea in Russia?
b. 1) don't listen
2) have
3) do your children watch
4) don't speak
5) drink
6) do you work
7) like
8) do you read
3c
a. 1) he read magazines.
2) my sister teaches me.
3) does he speak English?
4) my brother doesn't eat fish.
5) does she like birds?
6) Andrew has two brothers.
7) my mother doesn't watch TV.
8) Simon studies french at school.
b. 1) listens
2) do you eat
3) does she live
4) doesn't like
5) do they have
6) watches
7) does he want
8) doesn't open