UNIT 16 : MAN AND THE ENVIRONMENT
Lesson 5: B- Population (B4-B5)

Listen and complete
Lan: We shouldn’t leave our (1) _____.
Ba: What are we going to do?
Nga: (2) _______ it in a trash can.
Nam: There aren’t any trash can.
Lan: Then we should put it in a bag and (3) _______ .
trash
Put
take it home
UNIT 16 : MAN AND THE ENVIRONMENT
Lesson 4: B- Population (B4-B5)

S + should / shouldn’t + V
* Giving advices
Write rules for the pictures
We shouldn’t leave trash.
UNIT 16 : MAN AND THE ENVIRONMENT
Lesson 4: B- Population (B4-B5)

We shouldn’t cut down/damage the trees.
UNIT 16 : MAN AND THE ENVIRONMENT
Lesson 4: B- Population (B4-B5)

We shouldn’t pick flowers.
UNIT 16 : MAN AND THE ENVIRONMENT
Lesson 4: B- Population (B4-B5)

We shouldn’t throw bottles away.
We should collect bottles.
UNIT 16 : MAN AND THE ENVIRONMENT
Lesson 4: B- Population (B4-B5)

We should save water.
UNIT 16 : MAN AND THE ENVIRONMENT
Lesson 4: B- Population (B4-B5)

We should keep off grass.
UNIT 16 : MAN AND THE ENVIRONMENT
Lesson 4: B- Population (B4-B5)


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 every day.
5. We ____ go to the dentist’s regularly.
should
shouldn’t
Shouldn’t
should
UNIT 16 : MAN AND THE ENVIRONMENT
Lesson 4: B- Population (B4-B5)

should