MS Pre-intermediate 3D modals

We needn't / mustn’t talk in the exam.

• needn't

• mustn’t

I must / don't have to buy my dad a present because it's his birthday this weekend.

• must

• don't have to

         We have to / don’t have to do any school work tonight because the teacher didn't give us any homework.

• have to

• don’t have to

         In the UK, you needn’t / have to be seventeen or older when you learn to drive.

• have to

• needn’t

       We needn't / have to tidy the house now. We can do it later.

• needn't

• have to

Teachers​ ​ (a)   wear suits for work, but their clothes must be neat and clean.

• needn´t
• must
• mustn´t

Students ​ (a)   use their mobile phones during the lessons.

• must
• mustn´t
• needn´t

You​ (a)   arrive on time for lessons. It's important not to be late.

• must
• mustn´t
• needn´t

Students and teachers ​ (a)   be polite to each other.

• must
• mustn´t
• needn´t

You ​ (a)   buy a coursebook, your teacher will give you one.

• needn´t
• mustn´t
• must