`1`. My classmates often help each other with their homework.

`2`. Sometimes Tim goes skiing with his friends in winter.

`3`. When do you go out with your friends?

`4`. Marry invited me to come to her birthday party yesterday.

`5`. Her mother often buys her many new clothes at weekends

`6`. What do you usually do in summer?

`7`. Where does she buy food for her breakfast every morning?

`8`. What time does your father get up and have breakfast?

`9`. They aren't at home in the evening.

`10`. Everyone is having a good time at the picnic.

`_____________________________________________`

`***` Cấu trúc thì HTĐ:

`-` Với tobe:

`+)` S + am/is/are

`-)` S + am/is/are + not

`?)` (Wh) + Am/Is/Are + S?

`@`

`1`. I + am

`2`. He, she, it, N-số ít + is

`3`. You, we, they, N-số nhiều + are

`-` Với V thường:

`+)` S + V(-s/es)

`-)` S + do/does + not + V-inf

`?)` (Wh) + Do/Does + S + V-inf?

`@`

`1`. I, you, we, they, N-số nhiều + do/V-inf

`2`. He, she, it, N-số ít + does/V-s/es 

`***` Cấu trúc thì HTTD:

`+)` S + am/is/are + V-ing

`-)` S + am/is/are + not + V-ing

`?)` (Wh) + Am/Is/Are + S + V-ing?

1. My classmates often each other with their homework

help sb with sth: giúp ai cais gì 

2. Sometimes Tim goes skiing with his friends in winter

Sometimes=> htđ: S+ Vs/es

3. when do you go out with your friends ?

htđ: wh-words+ do/does+ S+ V?

4. Marry invited me to come to her birthday party yesterday

invite sb to V: mười ai làm gì

5. Her mother often buys her many new clothes at weekends

trạng từ chỉ tần suất đứng trước động từ thường

6. What do you usually do in summer ?

htđ: wh-words+ do/does+ S+ V?

7. Where does She buy food for her breakfast every morning?

htđ: wh-words+ do/does+ S+ V?

8. What time does your father get up and have breakfast ?

htđ: wh-words+ do/does+ S+ V?

9. They arent at home in the evening.

htđ: they/we/you+ are

10. Everyone is having a good time at the picnic

httd: S+ tobe+ Ving