MUST or HAVE TO

MUST or HAVE TO

We use HAVE TO and MUST to say that it is necessary to do something

For Example :

1. You have to have a passport to visit most foreign countries.
2. You must have a passport to visit most foreign countries.

The difference between MUST and HAVE TO

MUST is used to express personal feeling

1. I must write to Tini. I haven’t written to her for ages.
2. The government really must do something about unemployment.

HAVE TO the speaker is not expressing feeling. The speaker
is only giving the fact.

1. Tina ‘s eyes are not very good. She has to wear glasses for reading.
2. I can’t meet you on Friday. I have to work.

MUST is only used for PRESENT and FUTURE :

1. We must go now.
2. Must you leave tomorrow?

HAVE TO can be used to all forms :
1. I had to go to the hospital. ( past )
2. I might have to go to hospital. ( base form )
3. Have you ever had to go to the hospital. ( present perfect )

We use DO / DOES / DID with HAVE TO

1. What do I have to do to get a driver’s license?
2. Why did you have to go to the hospital?
3. Tom doesn’t have to work on Saturdays.

MUSTN’T is different from DON’T HAVE TO :

MUSTN’T = larangan
1. You mustn’t tell anyone what I said.
2. I mustn’t be late.
3. You mustn’t touch the wire.

DON’T HAVE TO = tidak harus

1. I don’t have to wear a suit to work today.
2. She stayed in bed this morning because she didn’t
have to go to work.

Notes : have got to = have to :

1. I ‘ve got to work tomorrow.
2. I have to work tomorrow.

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