1. I'm doing my homework. (HTTD)
2.his brother is eating lunch in the school canteen.(HTTD)
3.He goes to the judo club every Sunday.(HTĐ)
4.Mary and Linda are doing their homework at the moment.(HTTD)
5. she is ill, so she must see the doctor. (sau must + V0 )
6.Mr.Brown doesn't live here, he lives in London.(HTĐ)
7.One of my friends lives in Ho Chi Minh city. (one of my friends là số ít ) (HTĐ)
8.This year, my mother doesn't make banh Chung. (HTĐ)
9.Listen! the bird is singing.It's the beautiful voice!(HTTD)
10.Tom often goes to school in time in the evening.(HTĐ)
11.My grandmother doesn't like milk, she likes coffee.(HTĐ)
12. many people in our street have cars but my parents don't have one.(HTĐ)
13.Keep quite! the baby is sleeping.(HTTD)
14. what do you have for breakfast ?(HTĐ)
15.the children are not doing their homework now, they are watching TV.(HTTD)
16.what are you doing here? your morther is looking for you.(HTTD)
17.His house is near his school.(HTĐ)
18.they are working on a project about their neighbourhood this week.(HTTD)
19.he often has breakfast early and he is having breakfast now.(HTĐ VÀ HTTD)
20.hurry up! it is getting dark.(HTTD)
21.My sister will get married next month.(TLĐ)
22.where is hung? he is having a shower.(HTTD)
23. how many classes are there in your school?(HTĐ)