Ребята помогите. С 11 вопроса и до конца. Тема :Question tags

11.Has he a computer?

12.Had he a copmuter?

13.Had he to buy a computer?

14.Had he bougth a computer before he left to school?

15.Have they a car?

16.Had they a car?

17.Had they bout a computer before they moved to Vladimir?

18.Had they to buy a car?

19.How much tea Bob drinks?

20.Did Halen drink a lot of coffe?

21.Does Mark drink coffe?

22.Did you take a midicine?

23.Have they be in Murmansk?

24.Are there my glovers?

25.Had Ms Brown a lot of things to do?

26.Were there a lot of people?

27.Were there a lot of snow?

28.Does he told somebody about his plans?