CD111a CD 111
Date: ngày tháng
Time: giờ phút ( giờ phút
Name: ____________________

UNIT 6: THE ENVIRONMENT

E. Conditional sentences type 1
(câu điều kiện loại 1)
( Là loại câu điều kiện diễn tả hành động có thể xảy ra ở hiện tại hoặc tương lai
( Form
S + Will / Can /… + V… + If + S + V1
(Main Clause) (If Clause)

 _ I will visit Mary if I come to London.
or: If I come to London, I will visit Mary.


Choose the best answer
_ If you study hard, you (will pass / pass) the exam.
1. He will go to the cinema if he (have / has) free time.
2. She should hurry up if she (wants / will want) to catch the first train.
3. I (will come / would come) if you phone me tonight.
CD111b

Rewrite the following sentences, using “conditional sentences type 1”
_ Study harder. You will pass the exam.
( If you study harder, you will pass the exam.
1. He will receive some money from his mother. He will buy some notebooks.
If
2. Hanh will go to London next week. She will visit her grandfather.
If
3. Open the book. You can find out the instruction.
If
4. Be quiet. You can hear a noise in the next room.
If
5. Restart the computer. It will avoid being infected with virus again.
If
6. I will go away. Please write to me.
If
7. He will buy a car next week. He will drive to visit me.
If

CD112a CD 112

Put the verbs in brackets into the correct form
_ I’ll tell her about your idea if I (see) see her.
1. If you leave the letter there, I (post) _________ it for you.
2. If the weather (be) ___________ fine, we will go for a picnic.
3. If she (not, do) ___________ her homework, she will be punished.
4. If we don’t invite him, he (not, come) ___________ to the party.
5. What (happen) ___________ to the boy if he keeps asking his mother such questions?
6. My sister kept (ask) ___________ me question after question.
7. He never (go) ___________ out at night, but last night he (stay) ___________ out overnight.
8. She usually (write) ___________ to me last year.
9. We (not, finish) ___________ the test yet.
10. Mai and Lan (play) ___________ chess right now.
CD112b

( Chú ý:
a. Trong câu điềâu kiện loại 1 ta có thể dùng câu mệnh lệnh ở mệnh đề chính.
_ Don’t go out if it rains.
(Main clause)
b. Unless = If … not: nếu … không
_ If she does not study hard, she will fail in the exam.
( Unless she studies hard, she will fail in the exam.

Rewrite the sentences, using “unless”
_ If David doesn’t come early, he will miss the first train.
( Unless David comes early, he will miss the first train.
1. If she doesn’t phone at once, she won’t get any information.
Unless
2. If you don’t promise, I’ll be angry with you.
Unless
3. Unless it rains, we will go to the movies.
If

CD113a CD 113

Rewrite the following sentences without changing their meanings
_ You are not tall.
( I wish you were tall.
1. You don’t have a sister.
I wish
2. Be patient. You can overcome the problem.
If
3. She will practice English everyday. She will speak it fluently.
If she
4. Unless he finishes his work, he will not go home soon.
If
5. If you don’t take care of your son well, he will be sick.
Unless
6. Unless she practices English every day, so she will be bad at it.
If
CD113b

Match each half sentence in column A with