Modals sentence transformations | Baamboozle - Baamboozle

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Sam knew that his sister had to leave by 5 o'clock. (NECESSARY) Sam knew that ...... his sister to leave by 5 o'clock.

it was necessary for

You _________ finish your food or people will think you don't like it.

must / have to

They will expect you to wear a suit for the interview. (HAVE) You ..... a suit for the interview.

will have to wear

What does this sign express: Obligation, prohibition, or permission?

Permission (you can cross the road)

What are you doing here? Aren't you ____ be in class right now?

Aren't you SUPPOSED TO be in class right now?

What does this sign express: Obligation, prohibition, or permission?

Obligation (you must stop)

Don't worry, it isn't going to rain! You ____ bring an umbrella.

You DON'T NEED TO / NEEDN'T bring an umbrella.

You must show your student card as you enter the library. (REQUIRED) You ...... student card as you enter the library.

are required to show your

Where do you think you're going? You ____ leave without my permission!

You CAN'T / MUSTN'T leave without my permission!

Sally couldn't sing or dance. (UNABLE) Besides ......, Sally couldn't dance either.

being unable to sing

I ____ finish this today. I'll be too busy to do it tomorrow.

I MUST finish this today. I'll be too busy to do it tomorrow.

I'm afraid you can't smoke in here. (ALLOWED) You ..... in here.

are not allowed to smoke

It says here that we should we reply to this invitation. (SUPPOSED) It says here that ...... to this invitation.

we are supposed to reply

You _____ be over 18 to drive a car in Brazil.

must / have to

They _______ go to the shopping mall. Everything can be bought online.

don't have to

We ____ wear a uniform to school. We can wear jeans and a t-shirt if we want to.

We DON'T HAVE TO wear a uniform to school.

What does this sign express: Obligation, prohibition, or permission?

Prohibition (you can't/must not cross the road)

My parents worry too much. They won't even ____ me go to the supermarket by myself.

They won't even LET me go to the supermarket by myself.

Complete the sentence: "She ________ drive her car to the store; it's right around the block, so she can easily walk there."

doesn't have to

Make a question using "have to": room / Mike / his / clean / today?

Does Mike have to clean his room today?

Students ____ follow the rules at all times.

Students MUST follow the rules at all times.

Sarah ________________ go to school on the weekends.

doesn't have to

We use "don't have to" to say that something...

isn't necessary

We are ____ do some revision after every English class, but I don't think any of my classmates study every week.

We are SUPPOSED TO do some revision after every English class, but I don't think any of my classmates study every week.

We use "must" or "have to" to show...

obligation

You ______ drink and drive.

must not / mustn't

We use "mustn't" to show...

prohibition

What does this sign express: Obligation, prohibition, or permission?

Permission (you can come in)

When my grandparents were young, children were ____ leave school at twelve years old.

When my grandparents were young, children were ALLOWED TO leave school at twelve years old.

When my mother was a student, she ____ wear a uniform. She told me they didn't even let her choose which shoes to wear!

When my mother was a student, she HAD TO wear a uniform.

Students _____ look at their phones during the test.

must not / mustn't / can't

You _____ be a member to buy a ticket. It's open to everyone.

don't have to

You _________ have a valid passport if you want to fly to the USA.

must / have to

You __________ get a visa if you are staying there for less than one month.

don't have to

We __________ wear a tie to school but we can if we want to.

don't have to