CAN, HAVE TO, MUST

CAN, HAVE TO, MUST

CAN / CAN'T + VERB IN BASE FORM

Use CAN to talk about things that are possible/allowed. For example:

You can send me the letter by email.

(It's possible to send it by email)

Use CAN'T to talk about things that are NOT possible/allowed.

You can't talk in the exam.

(You are not allowed to talk in the exam.)

Multiple Choice

You _______ in cash or by card.

• can pays

• can paid

• can

• can pay

Multiple Choice

You _________ a calculator in this test.

• not can use

• can't use

• can't used

• can't

Multiple Choice

You _______ your phone here. It's not allowed.

• can't use

• can use

• not can use

• not use

Multiple Choice

She _____ her dog if she wants.

• can bring

• not can bring

• can

• bring can

MUST / MUSTN'T / HAVE TO / HAS TO + VERB IN BASE FORM

Use them to talk about rules or things that are necessary. For example:

We have to study for the exam. (It's necessary.)

She has to do her homework. (It's necessary)

You must clean your area before you leave. (It's a rule.)

You mustn't copy in the exam. (It's a rule.)

Multiple Choice

You _______ this plant in the sunlight.

• has to put

• must puts

• have to put

• not must put

Multiple Choice

You _______ late to work.

• must arrive

• has to arrive

• mustn't to arrive

• mustn't arrive

Multiple Choice

You _______ the books on time to the library.

• must takes

• has to take

• must take

• have take

Don't/Doesn't have to + Verb in base form

We use it to talk about something that is not necessary but is possible or allowed. For example:

You don't have to do extra work. (It's not necessary to do extra work, but if you want to you can do it).

She doesn't have to buy the book. (It's not necessary to buy the book but you can do it.)

Multiple Choice

You _________ a uniform. That's not necessary.

• have to wear

• doesn't have to wear

• don't have to wear

• has to wear

Multiple Choice

He ______ the plant every day.

• don't have to water

• not have to water

• doesn't have water

• doesn't have to water