Modal Verbs Of Obligation

Types of Modals

100

Which modal verbs do we use to talk about ability/ lack of ability?

can/can't, be able to / not be able to

200

Which modal verbs do we use to give advice?

should / had better

300

Which modal verbs do we use to talk about external obligation?

have to

400

Which modal verbs do we use to talk about internal obligation?

must

Negative Modals

100

Create a sentence with a negative modal to express ability.

can't / not be able to

200

Create a sentence with a negative modal to give advice

shouldn't / had better not

300

Create a sentence with a modal to express prohibition.

musn't 

400

Create a sentence to express lack of obligation/it's not necessary

don't have to / doesn't have to

Positive Modals

100

Create a sentence using a modal of ability.

can / be able to

200

Create a sentence using a modal of external obligation.

have to / has to

300

Create a sentence using a modal of internal obligation.

must

400

Create a sentence using a modal to give advice.

should / had better

Complete the sentence

100

Drivers _________ drive when the traffic lights are red.

mustn't

200

People ____________ not walk on my grass. It is rude!

should

300

This is a hospital. You ___________ wear a mask here.

have to

400

You _____ call the doctor if you stary feeling worse.

should