`-` Áp dụng cấu trúc câu điều kiện loại 1:

`+)` Mệnh đề If :

`+` If + S + V_{(s, es)} …, If + S + is/am/are …

`+)` Mệnh đề chính (thì)

`+` S + will/ can/ may (not) + V_{(nguyên mẫu)} …

`+)` If + thì hiện tại đơn, S + would like to/ should/ must/ have to/  + V_{(nguyên mẫu)}

`+)` If + thì hiện tại đơn, S + may/ can + V_{(nguyên mẫu)}

1. would learn

2. asked

3. are

4. will lend

5. would get

6. came

7. will see

8. has

9. would tell

10. will wash

11. will scream

12. swam

13. win

14. ran

15. will buy

1. If I were you, I __________would learn______ (learn) now.

2. If Chuck _________asked ________ (ask) us, we would lend him our books.

3. If they ______are_____ (be) at home, they will learn my words.

4. If Jack has a new DVD, he ____will lend_______ (lend) it to Cindy.

5. If you washed the car, he _____would get______ (get) more pocket money.

6. If you ______came_____ (come), you would meet them.

7. If we go to London, we _____will see______ (see) Buckingham Palace.

8. Jenny will help you if she ____has_______ (have) more time.

9. Sandy_______would tell____ (tell) him if she asked her.

10. I_______will wash ____ (wash) my hands if he gives me a soap.

11. If the ghost passes through the door, she______will scream_____ (scream)

12. If we _____swam______ (swim) a lot, we would win the competition.

13. The Zongs will travel to the USA if they ______win _____ (win) in the lottery.

14. If you ____ran_______ (run), you could catch the bus.

15. If Tessy has enough money, she ____will buy_______ (buy)

Câu điều kiện loại 1: [If + thì hiện tại đơn], [will + động từ nguyên mẫu] 

If + S + V(s/es)   S + will/can/shall + V(nguyên mẫu)

Câu điều kiện loại 2: [If + thì quá khứ đơn], [would + động từ nguyên mẫu]

If + S + V-ed /V2  S + would / could / should + V1 (wouldn't / couldn't + V1)

To be: were / weren't