MUST or HAVE TO?

​MUST or HAVE TO?

FC Confusing modals

Multiple Select

Choose the correct sentenceS

• I must to go to an interview tomorrow

• I have to go to an interview tomorrow

• Fiona fractured her wrist and had to go to hospital last week

• Fiona fractured her wrist and must go to hospital last week

HAVE TO / must + INFINITIVE

It's necessary to do sth

• I MUST go to the hairdresser

• I HAVE TO go to the hairdresser

• Can be used in any tense​

• Rules and other things that people think are necessary​

HAVE TO

• Only used in the PRESENT​

• The sense of obligation comes from the speaker​

MUST

DIFFERENCES

Fill in the Blanks

Multiple Select

Choose the correct sentenceS

• The performance starts at 8 pm so we don't have to be late

• The performance starts at 8 pm so we mustn't be late

• You mustn't tell anyone because it's a secret

• You don't have to tell anyone because it's a secret

• Used to say that it is not necessary to do sth

DON'T HAVE TO

• Used to say that sth is not allowed

MUSTN'T

DIFFERENCES

Fill in the Blanks

Multiple Choice

We ..... to pay to get in. It's free.

• mustn't

• don't have to

Multiple Choice

Be quiet! You ..... talk in the library.

• mustn't

• don't have to

Multiple Choice

Tell Ahmed he .... argue with his boss again, or he'll get the sack

• mustn't

• don't have to

Multiple Choice

Choose the sentence with the closest meaning: You have to leave

• You don't have to leave

• Can you stay?

• You mustn't stay

• You can leave

Multiple Choice

Choose the sentence with the closest meaning: You don't have to leave

• Can you stay?

• Do you have to stay?

• You can leave

Multiple Choice

Choose the sentence with the closest meaning: You must stay

• You don't have to leave

• You can't leave

• You can stay

• Do you have to stay?

Multiple Choice

Choose the sentence with the closest meaning: Do you have to leave?

• Can you stay?

• You can't leave

• You don't have to leave

• You must stay