modal verbs

You ___ (eat) too much fast food. It's bad for your health.

shouldn't

When I was six years old, I ___ (swim) very fast.

could

You ___ (park) your car here. It's illegal!

mustn't

___ I borrow your eraser for a second?

Can

Tomorrow is a holiday, so we ___ (not / get) up early.

don't have to

Look! That sign says you ___ (not / smoke) in this area.

mustn't

___ you please turn down the music? It's too loud.

Could

She is a genius. She ___ (speak) four languages fluently.

can

You look exhausted. You ___ (go) to bed early tonight.

should

___ I leave the room now, Sir?

May

I ___ (finish) this report today because the boss needs it tomorrow.

must

He ___ (not / come) to the party if he is busy.

might not

Drivers ___ (stop) when the traffic light turns red.

must

You ___ (not / buy) a ticket. The entry is completely free!

don't have to

If you have a toothache, you ___ (see) a dentist.

should

___ I help you with those heavy bags?

Can

Students ___ (not / use) mobile phones during the exam.

mustn't

He worked hard, so he ___ (pass) the test easily.

could

You ___ (be) polite when talking to older people.

should

Excuse me, ___ you tell me the way to the bus station?

could

You ___ (tell) anyone about this secret. Promise me!

mustn't

I ___ (not / play) the piano when I was younger, but now I can.

couldn't

You ___ (drink) more water every day to stay healthy.

should

Do I have to bring an umbrella? - No, you ___ (not / do) that, it won't rain.

don't have to

___ I use your bathroom, please?

May

She was so ill yesterday that she ___ (not / attend) the lesson.

couldn't

Visitors ___ (not / touch) the paintings in the museum.

mustn't

If you want to pass the exam, you ___ (study) harder.

should

We ___ (not / hurry). We still have plenty of time.

don't have to

___ you pass me the salt, please?

Could

He has a broken leg, so he ___ (not / walk) right now.

can't

You ___ (try) this delicious cake! My sister made it.

must

Passengers ___ (fasten) their seatbelts during takeoff.

must

You ___ (not / wear) a suit to the party. It's very casual.

don't have to

___ I ask you a personal question?

Can

Children ___ (not / watch) violent movies.

shouldn't

When we were on holiday, we ___ (go) swimming every morning.

could

You ___ (cheat) in the examination under any circumstances.

mustn't

I think you ___ (apologize) to her for being late.

should

He is very strong. He ___ (lift) this heavy box easily.

can