1. send/ will receive

2. do/ will improve

3. have/ will ask

4. will go/ has

5. will go/ gets

6. were/ would be

7. were/ would do

8. would get/ were

9. will be

10. would you do/ won

11. khew/ would speak

Giải thích:

+ Câu điều kiện loại 1: If + S + Vs,es + O, S + will/should/can + V + O

+ Câu điều kiện loại 2: If + S + Ved + O, S + would/could + V

1. If you (send)……send……….. this letter now, she (receive) ………will receive…….. it tomorrow.

2. If I (do) …do……….. this test, I (improve) ……will improve……….. my English.

3. If I (have) …have………….. any problem, I (ask) …will ask………….. my teacher.

4. Peggy (go) ………will go…….. shopping if she (have) …has………….. time in the afternoon.

5. Simon (go) ……will go……….. to London next week if he (get) ……gets……….. a cheap flight.

6. If the weather (be) ……was……….. bad, all the schools (be) ………would be…….. closed.

7. If I (be) ……were……….. your age, I (do) ……would be………..things differently.

8. I (get) ……would get……….. a better grade if I (be) ……was……….. a better student.

9. What our life (be) ……will be……….. without electricity?

10. What would you (do) …………do….. if you (win) …………won…..the lottery?

11. If I (know) …knew………….. French, I (speak) ………would speak…….. to him

Giải thích:

If loại 1:

If + S + Vo/es/es + O, S + will/should/can/shall + V 

If loại 2:

If + S + Ved + O, S + would/could/should + V.