1 I often forget everything I am learning arround

`→` Cấu trúc : S + trạng từ chỉ tần suất + V(+s/es) + ...

2 Can I take a book from that shelf, librarian?

`→` Cấu trúc : Can + S + V(nguyên thể) + ... ?

3 Take care of yourself, younger sister

`→` Cấu trúc : Take care of + ...

4 I have English, Chemistry and Maths today

`→` Cấu trúc : S + V (+s/es) + ...

5 He often reads newspaper after dinner

`→` Cấu trúc : S + trạng từ chỉ tần suất + V(+s/es) + ...

6 Our Literature class will start at eight forty

`→` Cấu trúc : S + will + V

7 We will not go to school tomorrow

`→` Cấu trúc : S + will + V

8 I am not doing the housework

`→` Cấu trúc : S + be + not + V_ing + ....

9 Do you like English or Geography, Minh?

`→` Cấu trúc : Do/does + S + V(nguyên thể) + ...?

10 We are studying Computer Science now

`→` Cấu trúc : S + be + V_ing

11 It's difficult for me to learn English.

`→` Cấu trúc : It is + adj + to V 

12 What about helping their housework with old people?

`→` Cấu trúc : What about + V_ing + ....

13 The students have a recess 20 minutes that lasts

`→` Cấu trúc : S+ V(+s/es) + ...