• Conditional Sentence Type I :

1. If I were rich, I could buy that house.

2. Despite dark sky, he took a lot of photo.

3. If he was rich, he could buy that house.

• Conditional Sentence Type II :

1. If I do not have enough money, I can not go on a long holiday this year.

2. If I do not have a typewriter, I can not type in myself.

3. If I do not live in a big city, I can not go to the cinema very often.

4. If Lan does not have a bike, she will walk to school.

C. Conditional Sentence Type III:

1. If he had hurried, he wouldn't have missed the train.

2. If it hadn't rained very hard, we wouldn't have canceled our picnic yesterday.

`**` Cấu trúc câu điều kiện loại 1 :

If + S + (mệnh đề hiện tại đơn ) , S + will/can/may + Vinf

`1` . If my brother has enough money , he will buy a bicycle.

`2` . If I buy a new hat , I will give it to you.

`3` . If you ask the teacher , he will explain the lesson to you

`**` Cấu trúc câu điều kiện loại 2 :

If +S +  Mệnh đề quá khứ đơn, S + would/could/might + Vinf

`1` . If I had enough money , I could go on a  long holiday this year.

`2` . If I had a typewriter , I could type it myself

`3` . If I lived in a big city , I could go to the cinema very often

`4` . If Lan had a bike , she would walk to school

`**` Cấu trúc câu điều kiện loại 3 :

If + S + mệnh đề quá khứ hoàn thành , S + would/could/might + have + Pii

`1` . If he had hurried , he wouldn't have missed the train

`2` . If it hadn't rained very hard yesterday , we wouldn't have canceled our picnic.