Modal verbs

Modal verbs

by Mario Medina

​HAVE TO

​Have to expresses strong obligation:

​

• You have to work hard if you want to succeed​.

​

​Have to expresses a general obligation based on a law or rule, or based on the authority of another person:

​

• Children have to go to school until High school.

​

​

​HAVE TO

​Have to has all verb forms:

​

• I had to work last night. (Simple Past)

• You'll have to study hard. (Future Will)

• She's rich. She has never had to do any work​. (Present Perfect)

​

​

​

​

Open Ended

Write at least 3 sentences using "Have to"

​GRAMMAR FORM

+You have to go to school./She has to work.

​

-You don't have to go to school./She doesn't have to work.

​

?Do you have to go to school?/Does she have to work?​

​

​

​

​

Open Ended

What is the function of Have to?

​HAVE GOT TO

​Have got to is common in spoken English. It is more informal than have to:

​

• ​I've got to go now. See you!

• We've got to get up early tomorrow.​

​

​Have got to expresses an obligation now, or on a particular occasion soon:

​

• ​You've got to pay me back tomorrow.

​MODAL VERBS

These are the modal verbs:

​

• Can, could, may, m​ight, must, ought to.

​

​They are used before other verbs and add meanings such as certainty, possibility, obligation, ability and permission.

​

• ​You must be exhausted. (certainty)

• I can swim.​ (ability)

• ​It might rain. (possibility)

​MODAL VERBS FORMS

There is no -s in the third person in singular:

​

• She can ski.​

• He must be tired.

• ​It might rain.

​

​We do not use auxiliary verbs for questions or negatives:

​

• ​What should I do?

• ​He can't dance.

​MODAL VERBS FORMS

​Modal verbs are follow by verbs without to:

​

• You must go​.

• I will help you.​

• You should see a doctor.​

Multiple Choice

These are modal verbs:

• can, could, play, may

• may, might, swim, will

• will, can, should, might

Multiple Choice

You must be tired.

• certainty

• ability

• possibility

Multiple Choice

She can swim well.

• certainty

• ability

• possibility

Multiple Choice

It might snow.

• certainty

• ability

• possibility

Multiple Choice

Is this sentence correct? She cans swim.

• Yes, it is.

• No, it's not.

Multiple Choice

Is this sentence correct? He should go to the doctor.

• Yes, it is.

• No, it's not.

Multiple Choice

Is this sentence correct? I will to play soccer.

• Yes, it is.

• No, it's not.

Multiple Choice

Is this sentence correct? I have to play soccer.

• Yes, it is.

• No, it's not.

Multiple Choice

They express a mild obligation, suggestion or advice.

• have to and must

• should and ought to

Multiple Choice

They express a strong obligation, suggestion or advice.

• have to and must

• should and ought to

Multiple Choice

It is very formal in written English.

• have to

• should

• ought to

• must

Multiple Choice

Have to and must sometimes are interchangeable

• True

• False

Multiple Choice

_____ expresses and obligation that comes from somewhere else

• have to

• must

Multiple Choice

This verb expresses ability:

• have to

• must

• can

• wi

Multiple Choice

This verb is more formal than can:

• would

• could

• can

• will

Multiple Choice

We use _____ to make an informal suggestion:

• should

• could

• can

• will

Open Ended

Write 1 sentence using the modal verb can.

Open Ended

Write 1 sentence using the modal verb co.

Open Ended

Write 1 sentence using the modal verb should.

Open Ended

Write 1 sentence using the modal verb must