english 6-unit 16-leson 4(B4,5)

Don’t pick flowersb.. Don’t throw trash on the street c.. Collect bottles and cans e.. Don’t damage trees... We should not waste water./ We should save water.. We should not damage tre

BA LONG SECONDARY SCHOOL

April 29, 2010

a Don’t pick flowers

b Don’t throw trash

on the street

c Don’t damage

trees

d Save water

f Collect bottles

and cans

e Keep off the

grass

Period 99:

Unit 16

MAN AND THE ENVIRONMENT

B POLLUTION

Lesson 4 : B4 – 5

I PRESENTATION:

* Examples:

a Save water.

b Don’t damage trees.

* Structure:

S + should/ shouldn’t + V(inf) + O + …

I PRESENTATION:

* Prediction:

(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.

II PRACTICE:

1 Listen and repeat:

2 Write:

Example:

a We should not leave trash.

a.

e.

d.

c b.

b We should not waste water./

We should save water.

c We should not damage trees./

We should not cut down the forests.

d We should collect bottles and cans.

e We should not pick flowers.

Answer:

a

b.

c.

We should collect bottles and cans.

We should collect paper.

We shouldn’t burn forests.

III FURTHER PRACTICE:

- Learn by heart the structure.

- Do the exercises again.

- Prepare for lesson 5: B6-7