Modal Verbs

1. We use it when we are giving advices.

• Should

• Have to

• Might

• Must

2. The doctor ... treat his patients.

• might

• can

• should

• could

You ... pay your tuition fee before course elections. It is compulsory.

• Have to

• Should

• Can

• Must

You ... go in there, it is forbidden.

• Sould

• Doesn't have to

• Mustn't

• Can

Child: Mom, can I go outside?

Mother: No, your room is messy. You ... tidy it first.

• can

• have to

• might

• could

Waitress: How can I help you?

Customer: Hi, I ... have some mocha.

Waitress: OK. Anything else?

Customer: ... I have one macaron also?

• should- must

• would like to- can

• might- may

• can- can

We use it for describing abilities.

• must

• should

• can

• have to

To have healthy teeth, people ... brush their teeth regularly.

• can

• might

• could

• must

Assume that you are at a dinner with your friend. How can you politely ask her to give salt to you?

• Could you pass me the salt please?

• You must give me the salt.

• Can you give me the salt?

• You should give me the salt.

Pilots ... fly a plane.

• should not

• can

• cannot

• should