Unit 12. An Overcrowded World. Lesson 3. A closer look 2

Wellcome to our class
Teacher: Nguyễn Thị Phương
Class: 7A
Warmer
YVOPETR
CTAEHELRHA
EMCIR
ROGTDHU
IMLOURINAT
YVOPETR
CTAEHELRHA
EMCIR
ROGTDHU
IMLOURINAT
POVERTY
HEALTHCARE
CRIME
DROUGHT
MALNUTRITION
Unit 12: An overcrounded world
Lesson 3: A closer look 2
Grammar
Comparisons of quantifiers : more, less/ fewer
1. Read the sentences:
1. Children in the slums have more diseases than those in the wealthy areas.
2. The countryside has fewer problems than a big city.
Comparisons of quantifiers
More
than
Traffic, pollution, food,...
Problems, solutions,...
Less
than
Nutrition, clear water,...
Diseases, criminals,...
2a. Read the information about two cities:

Brumba
Density: 4509 people/ km2
Accommondation: 50% in slums
Average earnings: 4$/day
Enough food: 45% population
Children over ten going to school: 71%
Crystal
Density: 928 people/km2
Accommodation: 3% in slums
Average earnings: 66$/ day
Enough food: 98% population
Children over ten going to school: 98%
1. In Brumba, there are more people per square klometre.
2. In Brumba, fewer people live in slums.


3. People in Crystal earn less per day.


4. More people in Crystal have enough food.
5. In Brumba, fewer children over ten go to school.
2b. Read the comparisons of two cities, and decide if they are true. If they are not, correct them.
2b. Read the comparisons of two cities, and decide if they are true. If they are not, correct them.
1. In Brumba, there are more people per square klometre.
2. In Brumba, fewer people live in slums.


3. People in Crystal earn less per day.


4. More people in Crystal have enough food.
5. In Brumba, fewer children over ten go to school.

TRUE
FALL
In Brumba, more people live in slums.
FALL
People in Crystal earn more per day.
TRUE
TRUE
3. Fill the sentences with more, less or fewer.

1. February has days than January.
2. Overpopulation is causing problems than we can imagine.
3. Big city suffer pollution than the countryside.
4. A teacher needs calories than a farmer.
5. A heathy child requires care than a sick one.
3. Fill the sentences with more, less or fewer

1. February has days than January.
2. Overpopulation is causing problems than we can imagine.
3. Big city suffer pollution than the countryside.
4. A teacher needs calories than a farmer.
5. A heathy child requires care than a sick one.
fewer
more
more
fewer
less
Tag question:
Study the example:
You are Phương,
Aren’t you?
Are you play for our school football team, don’t you?
Yes, I am
No, I don’t
Remember!!!
A tag question is a short question. It follows the statement. It is added at the end, after the comma.
Overpopulation is a serious problem,
isn’t it?
You haven’t bought the ticket,
have you?
Most children want to have the freedom to do what they want,
don’t they?
Note: A positive sentence has a negative tag.
A negative sentence has a positive tag.
4. Check if the tags are correct. If they are not, correct them.

1. You live in the countryside, do you?
2. Immigration causes overpopulation in big cities, isn’t it?
3. The city will have to find solution to reduce traffic jams, won’t it?
4. The lives of people in overcrowded cities are getting more difficult, aren’t they?
5. Lower death rate is one reason for population growth,
is it?
6. These narrow streets can’t support more traffic, can’t they?
4. Check if the tags are correct. If they are not, correct them

1. You live in the countryside, do you ?

2. Immigration causes overpopulation in
big cities, isn’t it ?
3. The city will have to find a solution
To reduce the traffic jams, won’t it ?
4. The lives of people in overcrowded cities
Are getting more difficult, aren’t they ?
5. Lower death rate is one reason for
Population growth, is it ?
6. These narrow streets can’t support more
traffic, can’t they ?
Incorrect
don’t they?
Correct
Correct
Correct
Incorrect
Incorrect
isn’t it?
can they?
5. Complete the interview with the tags in the box.
Is it
Can’t we
Don’t they
Isn’t it
5. Complete the interview with the tags in the box.
Interview: Overcrowded places have a lot of problems, (1)
Guest speaker: Sure. Traffic jams, pollution, noise,...
Interview: Traffic jam is the most serious problem, (2)
Guest speaker: Not really. We can see homeless people in many places in big cities,
(3) The city can not build enough houses for all of its people.
Interview: So they live wherever they can, under a bridge, in a deserted house...
Guest speaker: Yes, some of them become criminals.
Interview: This shortage of accommodation is not easy to solve, (4)
Guest speaker: No, it isn’t.

don’t they?
isn’t it?
can’t we?
isn’t it?
Good bye