1. Choose the best answers to complete the sentences.

(Chọn các câu trả lời đúng nhất để hoàn thành các câu.)

1. If you ______ your best, you will be successful.

A. try                 B. will try                     C. tried               D. would try

2. If there … more than 24 hours a day, I would have more time to sleep.

A. is                   B. will be                     C. were              D. would be

3. If I were rich, I ______ a lot of books and clothes for poor children.

A. buy               B. will buy                   C. bought           D. would buy

4. If it is sunny tomorrow, we ______ on an ecotour.

A. go                 B. will go                     C. went              D. would go

5. If she ______ younger, she would travel around the world.

A. is                   B. has been                  C. were              D. be

6. You will become ill if you ______ working long hours every day.

A. keep              B. will keep                 C. kept               D. would keep

7. He would be disappointed if he ______ the truth.

A. knows           B. will know                C. knew             D. would know

8. My grandmother ______ my uncle in Ho Chi Minh City if she were in better health.

A. visits             B. will visit                  C. visited           D. would visit

9. Many lives ______ saved if doctors find effective treatments for the disease.

A. are                 B. will be                     C. were              D. would be

10. We would play soccer if it ______ not rainy today.

A. is                   B. was                          C. has been        D. to be

2. Complete the sentences using the correct forms of the verbs in brackets.

(Hoàn thành các câu bằng cách sử dụng các dạng đúng của động từ trong ngoặc.)

1. If I (be) ______ you, I (start) ______  preparing for the exam soon.

2. Let's vote. If most students (vote) ______  in favour of the ecotour, we (go) to Phong Nha Cave next month.

3. He (buy) ______  a new motorbike if he (have) ______  a lot of money, but he can't even buy a bicycle now.

4. Mai looks sad, but I think if we (talk) ______  to her, she (be) ______  more cheerful.

5. If I (have) ______ superpowers, I (save) ______  the world!

6. If it (be) ______ Sunday today, I (go) ______ swimming instead of going to school.

7. Your mother (be) ______  very pleased if she (know) ______ that your test results are so good. Why don't you tell her now?

8. My grandmother has passed away, but I am sure she (be) proud of me if she (know) ______ I have passed the university exam.

 3. Identify the mistake in each of these sentences.

(Xác định lỗi sai trong mỗi câu sau.)

1.When I were richer, I would buy a bigger house for my family.

        A       B                          C                         D

2.If I am 10 centimetres taller, I would join the basketball team of our school.

           A                         B           C      D

3. If I could fly, I will travel to anywhere I like.

             A           B             C      D

4. We would be late if you don't leave right now.

             A     B                   C              D

5. Everyone is happy if our team wins tomorrow.

                   A              B              C     D

6. If you listen to my advice, you would be fine in the test next week.

                 A               B              C        D

7. I will listen to her if I were you.

        A           B   C          D

8. This device would break down if you do not know how to use it correctly.

                       A                B                                   C                   D