UNIT 7: WORLD POPULATION
DÂN SỐ THẾ GIỚI
Tham khảo đáp án những phần sau:
Reading Unit 7 Lớp 11 Trang 80
Speaking Unit 7 Lớp 11 Trang 83
Listening Unit 7 Lớp 11 Trang 84
Writing Unit 7 Lớp 11 Trang 86
Language Focus Unit 7 Lớp 11 Trang 86
1/ Conditional sentences.
– Câu điều kiện loại 1 diễn tả một điều kiện có thể xảy ra ở hiện tại hoặc tưomg lai.
Ex: I will stay at home if it rains.
If she has finished her work, she can go home. If father is sleeping, you can go out.
– Câu điều kiện loại 1 với lời yêu cầu hay mệnh lệnh.
Ex: If you see Tom at the party tonight, tell him to phone me.
Don’t talk in class and the teacher won’t punish you.
– Câu điều kiện loại 1 với “should” trong mệnh đề If hàm ý nghi ngờ, không chắc chắn.
Ex: If anybody should come, please tell him to wait for me.
—> Should anybody come, please tell him to wait for me.
– Câu điều kiện loại 2 diễn tả:
She can’t speak Chinese. If she could speak Chinese, she would get the job.
2/ Một tưởng tượng hoặc ước mơ.
Ex: If I had more money, I would travel around the world.
If I were a flower, I would be a sunflower.
The driver wasn’t careful. He had an accident.
If he had gone to the party last night, he could have met the new manager.
* Ta có thể bỏ “If ’ nếu dùng hình thức đảo ngữ.
If I had known … -> Had I known …
If Tom had come … —> Had Tom come …
1. If you ring this summer, no one answers.
2. If you need any help, just ask.
If you are tired, don’t drive.
(We can also use a present-tense verb and an imperative (base form).)
If Jim were a practical young man, he would have taken that job offer.
(We can mix type 2 and type 3.)
1. Without + noun phrase = If + past subjunctive (past simple form, were for be)…
Without electricity, our life would be very difficult.
(If there were no electricity, …)
Without your help, I wouldn 7 have been successful.
2. But for + noun phrase = If + past perfect…
But for your help, I wouldn’t have been successful.
3. Trong câu điều kiện loại 2 và loại 3, chúng ta có thể bỏ if và dùng dạng đảo ngữ.
If I were in your situation, … = Were I in your situation, …
If it had not been for your help, … = Had it not been for your help,…
2/ Conditional sentences in reported speech.
Câu điều kiện trong lời tường thuật.
<a> Conditonal sentences, type 1.
Ex: He said, “If I catch the plane I’ll be home by five”.
Reported -» He said that if he caught the plane he would be home by five.
“If you feel ill”, she said, “you’d better go to bed”.
Reported —> She said that if I felt ill I’d better /I should go to bed.
<b> Condition sentences, type 2 and type 3.
Khi tường thuật câu điều kiện loại 2 và loại 3, thì của động từ không đổi.
Ex: “If I had a permit I could get a job”, he said, (type 2)
Reported -» He said that if he had a permit he could get a job.
“If she had loved Tom”, he said, “she wouldn’t have left him”, (type 3)
Reported —» He said that if she had loved Tom she wouldn’t have left him.


