1. EXPRESSING NECESSITY: MUST, HAVE TO, HAVE GOT TO
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2. All applicants must take an entrance exam.
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3. All applicants have to take an entrance exam.
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4. I’m looking for Sue. I have to talk to her about our lunch date tomorrow.
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5. I can’t meet her for lunch because I have to go to a business meeting at 1:00.
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6. Where’s Sue. I must talk to her right away
Where’s Sue? I must talk to her right away. I have an urgent message for her.
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7. I have to be home by eight.
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8. He has to go to a meeting tonight
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9. I have got to go now. I have a class in ten minutes.
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10. I have to go now. I have a class in ten minutes.
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11. I have got to go (“I’ve gotta go / I gotta go”) now.
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12. I have to / have got to / must study tonight.
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13. I had to study last night.
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14. When does he have to leave?
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15. LACK OF NECESSITY AND PROHIBITION: HAVE TO AND MUST IN THE NEGATIVE
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16. Lack of Necessity:
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17. Tomorrow is a holiday. We don’t have to go to class.
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18. I can hear you. You don’t have to shout. / You needn’t shout
I can hear you. You don’t have to shout. / You needn’t shout. (You needn’t worry.)
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19. Prohibition:
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20. You must not look in the closet. Your birthday present is hidden there.
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21. You must not tell anyone my secret. Do you promise?
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