Công thức thì HTĐ (V: thường)

S số ít, he, she, it 

(+) S + Vs/es

(-) S+ doesn't + V1 

(?) Does +S +V1?

S số nhiều, I, you, we, they

(+) S + V1 

(-) S+ don't + V1 

(?) Do + S+ V1? 

DHNB: always, usually, sometimes, often, never, seldom,....

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When: khi nào

What: cái gì

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Bài 1:

1. When do you clean the house?

2. What does he do at noon?

3. Does she help her mum with the cooking in the morning?

4. Do they work in the garden in the afternoon?

Bài 2:

1. Peter helps his mother with the cooking at noon.

help + O + with sth: giúp ai làm gì

2. What does Mary's family do in the evening?

One's + N : cái gì của ai 

in + buổi

3. They do housework in the morning.

do housework: làm việc nhà

in + buổi

4. Licy does not wash her clothes at noon.

tính từ sở hữu + N

5. When do Mai and her brother do housework?

6. Does Mary wash dishes in the evening?

wash dishes: rửa chén

in + buổi

`color{orange}{~LeAiFuRuiHuiBao~}`

`color{lime}{#pha}`

I)

1. When do you clean the house?

- When + do/does + S + V-inf + O?

2. What does he do at noon?

- What + do/does + S + V-inf + O?

3. Does she help her mom with the cooking in the morning?

- Do/Does + S + V-inf + O?

<-> Yes, S + do/does

<-> No, S + do/does + not

4. Do they work in the hospital in the afternoon?

- Do/Does + S + V-inf + O?

<-> Yes, S + do/does

<-> No, S + do/does + not

II)

1. Peter helps his mother with the cooking at noon

- HTĐ: S + V(s/es) + O

- at + buổi

2. What does Mary's family do in the evening?

- What + do/does + S + V-inf + O?

3. They do homework in the morning

- HTĐ: S + V(s/es) + O

- in + buổi trong ngày

4. Lucy does not wash her clothes at noon

- HTĐ: S + do/does + not + V-inf + O

5. When do Mai and her brother do homework?

- When + do/does + S + V-inf + O?

6. Does Mary wash the dishes in the evening?

- Do/Does + S + V-inf + O?

<-> Yes, S + do/does

<-> No, S + do/does + not