Welcome to our class !
Matching
A
B
C
D
E
F
1. Save water
2. Don’t damage trees
3. Don’t throw trash
4. Don’t pick flowers
5. Collect bottles and cans
6. Collect papers
Period 104
LESSON 4: POLLUTION (B 4,5)
UNIT 16:
MAN AND THE ENVIRONMENT
bỏ
leave
nên
should
đặt, để
put
thùng rác
trash can
không nên
shouldn’t
RUB OUT AND REMEMBER
bỏ
leave
nên
should
đặt, để
put
thùng rác
trash can
không nên
shouldn’t
RUB OUT AND REMEMBER
1. What are Ba, Nam and Lan going to do with trash?
They are going to put it in a trash can.
2. Why do they take the trash home ?
Because there aren`t any trash cans.
Model sentences:
We shouldn’t leave trash.
We should collect paper.
Structure
S + should/shouldn’t + V(bare-infinitive) + O
should not = shouldn’t
We should not leave trash.
Pratice using should/shouldn’t. Write rules for the pictures
leave trash
We should save water.
save water
We shouldn’t damage trees.
damage trees
We should collect cans and bottles.
collect cans and bottles
We should not pick flowers.
pick flowers
We should not damage tree.
We should collect cans and bottles.
We should not pick flowers.
We should save water.
Work in groups :
We should keep off the grass.
keep off the grass.
We should collect paper.
collect paper.
We shouldn’t throw trash in the country.
throw trash in the country.
We shouldn’t burn the forests.
burn the forests.
Multiple choice
1. We should ………… sports.
A. plays B. playing C. to play D. play
2. Mrs Hoa is tired. She shouldn’t ………………. work.
A. goes B. go C. go to D. going
3. Your hair is too long. You ……………. get it cut.
A. should B. shouldn’t C. don’t D. to should
4. We shouldn’t ………………………
A. damage trees B. keep off the grass
C. save water D. collect paper.

* Complete with should and shouldn’t.
1. You ________ drive carefully on a busy road.
2. Jack ___________smoke heavily.
3. Children _____________ eat a lot of sugar.
4. You ____________ clean your teeth at least twice a day.
5. We __________ go to the dentist’s regularly.
should
shouldn’t
shouldn’t
should
should
UNIT 16 : MAN AND THE ENVIRONMENT
Period 99: B- (B4, 5)
HOMEWORK:
Learn by heart new words.
Answer the question:
What should we do to protect the environment?
Prepare the next lesson : Language focus
thank you very much
good bye !
see you again