UNIT 12: AN OVERCROWDED WORLD
LESSON 5: LOOKING BACK
I. VOCABULARY:
- particular (adj) đặc biệt /pə(r)ˈtikyələr/
- stuck (n) sự mắc kẹt /stəck/
- suffer (v) chịu đựng /ˈsəfər/
- attract (v) thu hút /əˈtrakt/
- flea market (n) chợ phiên, chợ trời /ˈfli ˌmärkət/
- search (v) tìm kiếm /sərʧ/
- physician: (n) thầy thuốc, bác sĩ /fiˈziʃən/
- slavery: (n) chế độ nô lệ /ˈsleiv(ə)ri:/
- infant death rate (n) tỉ lệ trẻ sơ sinh tử vong /ˈinfənt ˈdethˈˌreit/
VOCABULARY:
Ex 1: Match the words with their definitions.
Busy
Poor
Peaceful
Spacious
Overcrowded
Too many people.
To have very little money.
Calm and quiet.
A large area where it is easy to move.
A lot of things happening.
Ex4: Look at the situation and complete the effects with more, fewer and less.
Situation: A new factory will be built in my neighborhood.

The factory will bring jobs to local people.


people will move here to work in the factory.


These people will need water and electricity.


4. There will be space for children to play.
more
More
more
less
Act 2: Write the sentence for each of the following words.
Example: Crime is a problem in big cities.
Crime
Disease
Healthcare
Education
Poverty
1.


2.


3.


4.


5.
When people need money badly, they
may commit crime.
Good healthcare helps people to stay
healthy and to live longer.
Disease makes people tired and costly.
In most big cities, there are many wealthy
people, but poverty still a problem.
In the public school system, education is
compulsory from age six to age sixteen.
II. Grammar:
Act 3: Put an appropriate tag question at the end of each sentence. Then match the questions to their answers.
Question
Answers
1. We have more tourists this year, ?
2. You got stuck in a traffic jam on the way
home, ………........, Mum?
3. There will be a solution to this shortage
of clean water,………..?
4. We should do something to reduce
poverty, ………………?
5. Big cities suffer more from air pollution, ……………….?
a. No, there are fewer than last year.
b. Yes, they do, particularly big cities in China.
c. We hope there will.
d. Yes, we should. But how?
e. Yes, as always, dear.
don’t we
didn’t you
won’t it
don’t they
shouldn’t we
*Notes: Tag questions: CÁC TRƯỜNG HỢP ĐẶC BIỆT:
Phần đuôi của “I am” là “aren’t I” .
Phần đuôi của câu bắt đầu bằng “ Let’s ...” : là “shall we ?”
Nothing, anything, something, everything được thay là thế bằng “ It” ở câu hỏi đuôi
No one, Nobody, anyone, anybody, someone, somebody, everybody, everyone được thay thế bằng “They” trong câu hỏi đuôi. Lưu ý: Nothing, Nobody, No one được dùng trong mệnh đề chính, động từ ở câu hỏi đuôi sẽ phải ở dạng thức khẳng định.
This/ That được thay thế là “It”.
These/ Those được thay thế là “They”.
Khi trong câu nói có từ phủ định như: seldom, rarely, hardly, no, without, never, few, little… phần đuôi phải ở dạng khẳng định.
- Câu phát biểu diễn tả lời yêu cầu hoặc mệnh lệnh phủ định có phần đuôi là “will you?”
Eg: Open the door, will you? ( Xin vui lòng mở cửa)
Don’t be late, will you? (Đừng đi trễ nha.)

Choose the word or phrase A, B, C or D that best completes the sentence:
No one is better cook than his mother, ______?
A. is she B. isn’t she C. are they D. aren’t they
Do it right now, ______?
A. will you B. shall you C. do you D. don’t you
3. Somebody has left these socks on the bathroom floor, ______?
A. have they B. haven’t they C. has he D. hasn’t he
4. He seldom goes to the library, ______?
A. doesn’t he B. is he C. does he D. isn’t he
5. Let’s go for a long walk, ______?
A. will we B. shall we C .don’t you D. do you
6. Nobody knows who invited the wheel, ______?
A. do they B. don’t they C. does it D. doesn’t it
The film is good, _______________?
A. is it B. are they C. isn’t it D. isn’t the film
8. Don’t leave anything behind, ______?
A. do you B. will you C. don’t you D. shall we
11. That isn’t Bill driving, ______?
A. is it B. is that C. isn’t that D. isn’t it
10. Don’t leave anything behind, ______?
A. do you B. don’t you C. will you D. shall we
11. Your brother’s here, ______?
A. is he B. are he C. isn’t he D. aren’t he
12. Tom didn`t see her, ______?
A. did Tom B. did he C. do Tom D. does he
13. Nam hardly ever makes a mistake, .........
A. doesn’t he B. does he C. does Nam D. doesn’t Nam
14. Hoa and Ba never come to school late, .............?
A. don’t they B. are they C. aren’t they D. do they
15. I’m a bit late, ______?
A. am not I B. aren’t you C. are you D. aren’t I
16. No one is indifferent to praise, ______?
A. aren’t they B. isn’t one C. is one D. are they
Comunication:
Ex 5. I’ve got more!!
Work in groups. Look at the situations and talk about their possible effects.
Example:
Situation: A cousin is moving in to share your room for two months.
Effects: - I will lose my privacy.
- We can have more fun.
- I will have less space of my own.
Situation 1: The karaoke next to your house is attracting more and more young people coming.
Situation 2: A flea market has been established in your neighbourhood.


Finished. Now I can…
. Use words to describe overcrowded
Places and the effects of overcrowding.
. Form comparisons of quantifiers.
. Use tag question.
. Write about the population change,


Homework:
Learn by heart some special cases of tag questions
Review all the grammar you learnt from unit 9 to Unit 12