Matching
Save
Don’t pick
Don’t throw
Keep off
water

Collect
trash on the streets
the grass

flowers

paper
Unit 16.
Man and the environment.
Period 99:B.Pollution(4,5)
Should: nên
Should not=shouldn`t: không nên
Should
Shouldn`t


+ V
Matching
Save
Don’t pick
Don’t throw
Keep off
water

Collect
trash on the streets
the grass

flowers

paper
e.g.We should save water.
We shouldn’t pick flowers.

(1)Nga:Put it in a trash can
(2)Lan:Then we should put it in a bag and take it home.
(3)Nam:There aren’t any trash cans.
(4)Ba:What are we going to do?
(5)Lan:We shouldn’t leave our trash
(5)Lan:We shouldn’t leave our trash.
(4)Ba:What are we going to do?
(1)Nga:Put it in a trash can.
(3)Nam:There aren’t any trash cans.
(2)Lan:Then we should put it in a bag and take it home.
a.We should not leave trash.

b.We should save water.
We shouldn’t waste water.

c.We should not damage trees.
We should grow trees.

d.We should collect bottles and cans.
We shouldn’t throw bottles and cans on the street.

e.We shouldn’t pick flowers.

- Make 5 sentences with ‘Should and shouldn’t”
- Do exercise 4.
Homework .