* Đáp án :

1. doesn't study (on saturday)

2. has (today)

3. have (sự thật hiển nhiên)

4. doesn't study (sự thật hiển nhiên )

5. teaches ( often )

6. like (sự thật hiển nhiên )

7. washes (every day)

8. don't have (every morning )

* Công thức áp dụng :

- THÌ HIỆN TẠI ĐƠN :  S+ V-s/es

+ I / you/we/ they + V(inf)

+ He / she/ it + V -s/es

~ GOOD LUCK ~

1. doesn't study

on Saturday -> HTĐ

2. has

3. have

usually -> HTĐ

4. doesn't study

5. teaches 

often -> HTĐ

6. likes

she là chủ ngữ số ít nên động từ thêm s/es

7. washes

every day -> HTĐ

8. don't have 

every morning -> HTĐ

*Cấu trúc thì hiện tại đơn:

(+) S + V_inf/ V-e,es

(- ) S + don't/ doesn't + V_inf

(? ) Do/ Does + S + V_inf?

- Yes, S + do/ does

- No, S + don't/ doesn't