Study

Obligation and Prohibition

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  • You don't have to / mustn't use phone when you are driving.
    mustn't
  • shouldn't = ought to not OR ought not to
    ought not to
  • We have plenty of time. We don't have to/ mustn't worry.
    don't have to
  • I must wear uniform at school. ( True or False)
    False
  • You don't have to do the dishes= ( prohibition or no obligation)
    no obligation
  • For specific obligation ( must or have to)
    must
  • You mustn't park here = You can't park here. ( True or False)
    True
  • You don't have to/ mustn't use your phone in quiet zones.
    mustn't
  • Two Modal verbs of Obligation and Necessity
    must, have to
  • Do you have to work on Sunday? OR Must you work on Sunday?
    Do you have to work on Sunday?
  • A pilot has to / must wear a uniform when he is at work.
    has to
  • Choose the correct ones. For the strong advice or recommendation ( ought to / must / can/ have to)
    must/ have to
  • I have to wear suit at work. ( True or False)
    True
  • I must buy a new skirt- this one is too old. (True or False)
    True
  • should = ought to ( True or False)
    True
  • When I was at primary school, I had to / must wear a horrible uniform.
    had to
  • For general, external obligation ( must or have to ?)
    have to
  • " have to" exists in all tenses. ( T or F)
    True
  • " Must" is a modal verb and it only exists in the present. (True or False )
    True
  • You ought to wear wear warm clothes. (OR)You ought wear wear warm clothes.
    You ought to wear wear warm clothes.
  • I hate must get up early OR I hate getting up early.
    I hate getting up early
  • For personal obligation ( must or have to)
    must
  • You mustn't take photo here = ( prohibition or no obligation)
    prohibition
  • I have to get up early tomorrow - I want to revise the lessons for exam.
    False
  • You should go to Lovvre museum when you are in Paris. = You Must go to Lovvre museum when you are in Paris. (Which one is strong advice)
    You Must go to Lovvre museum when you are in Paris
  • You don't have to pay=You mustn't pay. (True or False)
    False
  • mustn't = can't= 're not allowed to ( True or False)
    True
  • For rules and laws ( must or have to)
    have to
  • You shouldn't drink so much coffee = You ought not to drink so much coffee. ( True or False)
    True
  • " should" is used to give advice or opinion. ( True or False)
    True
  • I had to wear a uniform when I was at primary school OR I must wear a uniform when I was at primary school.
    I had to wear a uniform when I was at primary school.
  • " Don't have to " is for prohibition or no obligation/ no necessity
    no obligation/ no necessity
  • (have to ) is a modal verb .( True or False)
    False
  • True or False? have to and must have similar meaning
    True
  • Do I must switch my phone off now? OR Must I switch my phone off now?
    Must I switch my phone off now?
  • You should wear wear warm clothes. OR ..You should to wear warm clothes.
    You should wear wear warm clothes.
  • You shouldn't / don't have to walk on the grass. They've just planted flowers.
    shouldn't
  • I have to / must speak to my phone company. My last bill was wrong.
    must