Level3 se2

1
You ------ use your cell phone at the
hospital.
mustnt
You ---- finish the preparation of this report
now.
must
She ---- use the tire chain as there is a lot of
snow around.
must
He ------ drink alcohol so much otherwise he will
be an alcoholic soon.
mustnt
2
Rules in your school. What must you do and what
mustnt you do. Choose must or mustnt.

• You . listen to the teachers.

must

• You . eat in the classroom.

mustnt

• You . bring your mobile phone to the class.

mustnt

• You . do your homework everyday .

must

• You . look at your notes during the exam.

mustnt

• You . run in the corridors.

mustnt

• You . talk to your classmate during the
  lesson.

mustnt
3
First read all sentences.
Choose the incorrect sentences
and correct them.

• Time is not on our side. We must hurry.

?
mustnt

• The children must play with knives.

• Youre a student. You must go to school on
  weekdays.

?
mustnt

• You must smoke. It isnt healthy.

• My hair is very dirty. I must take a shower.

?
must

• You mustnt remember the code of your credit
  card.

• It is almost midnight. You must go to bed now.

?
mustnt

• It is a top secret. I must give information to
  you.

4

• What mustnt we do when we are on the plane?

• What must we do to improve our English?

• What mustnt we do while watching a theater play?

• What must we do to protect our world?