* Cấu trúc câu điều kiện 

- Loại 1

If + S + V / V(es/s), S + will/ can + V 

If + HTĐ, TLĐ 

- Loại 2

If + S + V(ed/ cột 2), S + would/ could + V

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`4.` If you be quiet, you won't wake the baby up

`5.` If you be quick, she won't go on the bus

`6.` If you don't talk, the teacher won't punish you

`7.` If you don't be late, you can enter the class

`8.` If the shoes weren't expensive, I would buy them

`9.` If her sister wasn't sick, she would go to school

`10.` If she had much time, she could go with you

4, Be quiet or you will wake the baby up.

`=>`  If you be quiet, you won't wake the baby up

5, Be quick or she will go on the bus.

`=>` If you be quick, she won't go on the bus

6. Dont talk or the teacher will punish you.

`=>`  If you don't talk, the teacher won't punish you

7. Dont be late or you cant enter the class.

`=>`  If you don't be late, you can enter the class

8, These shoes are too expensive. I dont buy them.

`=>`  If the shoes weren't expensive, I would buy them

9, Her sister is sick. She doesnt go to school.

`=>`  If her sister wasn't sick, she would go to school

10, She doesnt have much time. She cant go with you.

`=>` If she had much time, she could go with you

* form

type1: 

mệnh đề if: 

If + S + V (s, es)…(htđ)

mệnh đề chính:

S + will/ can/ may + V1 (won’t/ can’t + V1)

(Will + động từ nguyên mẫu)

type2:

mệnh đề if:

If + S + V-ed/ V2…

To be: were/ weren’t (qkđ)

mệnh đề chính: 

S + would/ could/ should + V1 (wouldn’t/ couldn’t + V1)

(Would + động từ nguyên mẫu)

`longpro`