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GF B1 Grammar Class 5 Modals of obligation

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  • Students don’t expect teachers to know everything. (Teachers)
    Teachers are not supposed to know everything.
  • We supposed to be quiet during the lecture.
    We are supposed to be quiet during the lecture.
  • Dima, I strongly advise to find a job! (You)
    You must / have to find a job!
  • Has Chris pay for the dinner?
    Does Chris have to pay for the dinner?
  • They mustn’t to talk loudly in the library.
    They mustn’t talk loudly in the library.
  • It’s not necessary for Oksana to come half an hour before class. She will be waiting outside the classroom anyway. (Oksana)
    Oksana doesn’t have to come half an hour before class.
  • It’s not necessary for programmers to wear a suit. (Programmers)
    Programmers don’t have to wear a suit.
  • Bob have to work extra hard this week
    Bob has to work extra hard this week.
  • It wasn’t necessary to read the text at home, but I did it because I want to improve my reading. (I)
    I didn’t have to read the text at home, but I did it because I want to improve my reading.
  • When my father was young, he must to walk 5 km to school every day
    When my father was young, he had to walk 5 km to school every day.
  • She must to listen her parents. She’s only sixteen.
    She must listen to her parents.
  • It’s necessary for the boss to pay his employees on time. (The boss)
    The boss has to pay his employees on time.
  • It was necessary for us to get a visa before we went to America. (We)
    We had to get a visa before we went to America.
  • My family expected me to get married and have children by the age of 25. (I)
    I was supposed to get married and have children by the age of 25.
  • Have I to finish this paper work by Friday?
    Do I have to finish this paper work by Friday?
  • She don’t have to pay for the ticket if she wants to go to the concert
    She doesn’t have to pay for the ticket if she wants to go to the concert.
  • It’s a good idea to visit someone when they’re sick. (You)
    You are supposed to visit / you should visit someone when they’re sick.
  • It’s prohibited to park your car in the centre of the city. (You)
    You mustn’t park your car in the city centre.
  • Has he walk the dog?
    Does he have to walk the dog?
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