unit 16: B4-5-R

Don’t throw trash on the street.b.. Don’t damage trees.. Don’t throw trash in the country.. Don’t pick flowers... Don’t throw trash in the country.. Don’t throw trash on the street... S

a Don’t throw trash on the street.

b Keep off the grass.

c Collect bottles and cans.

d Don’t damage trees.

e Save water.

f Collect paper.

g Don’t throw trash in the country.

h Don’t pick flowers.

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2

3

4

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c Collect bottles and cans.

h Don’t pick flowers.

b Keep off the grass.

f Collect paper.

g Don’t throw trash in the country.

d Don’t damage trees.

e Save water.

a Don’t throw trash on the street.

Section: B4 - 5 – B 6

UNIT 16:

MAN AND THE ENVIRONMENT

Model sentence

*Model verb “should”

Ex1: We should do homework.

S + should + infinitive (not to)

Ex2: We should not throw trash on the street.

S + should not + infinitive (not to)

should not = shouldn’t

We should not leave trash.

We should collect paper.

We should save water.

We should not damage tree.

We should collect cans and bottles.

We should not pick flowers.

Vocabulary:

recycle (v) tái chế, tái sử dụng

scrap metal (n) sắt thép phế thải

a) In Viet Nam, what do we collect and recycle?

We collect and recycle many things.

b) What do we do with waste food?

We feed it to pigs.

c) What do factories do with waste and scrap?

They recycle them.

d) Do we collect things?

Yes, we do.

e) What do you collect?

Questions:

Multiple choice

1 We should ………… sports.

A plays B playing C to play D play

2 We collect ……… and pig it to pig.

A waste paper B crap metal C waste food D old plastic

3 We collect empty bottles and cans and ……… them.

A recycle B feed C take D leave

4 We shouldn’t ………

A damage trees B keep off the grass

C save water D collect paper.

- Reread B4 and B6.

- Learn by heart how to use “should”

- Write complete sentences in part B5.

- Copy down remember.

- Prepare new lesson.