26. Trang and Hang must be tied, aren't they?
27. Your sister should eat more vegetables , shouldn't she?
28. Dont do that thing, can they?
29. Tung has finished his course,hasn't he ?
30. She has earned a lot of money,hasn't she
31. Theirs parents are going to Hue, aren't they?
32 Ann couldnt speak two years ago, couldn't she?
33. You musnt use this computer,mustn't you?
34. His mother is going to write poem, isn't she?
35. Lets tell them about it, shall ?
36. The Browns children will have picnic next week,?
37. Marry will be here soon,won't she?