Must not is much stronger than do not have to. Also, must not can only be used to talk about the present or the future. To express this idea in the past, I would have to use “was forbidden to” or “wasn’t allowed to.”. In contrast, do not have to can be used in the past. For example, “When I was young, I didn’t have to wear a Modals for Class 7 CBSE Solved Exercise With Answers. Question 1. Fill in the blanks using must, mustn’t, don’t have to, should, shouldn’t, might, can, can’t! You really _________ go to the Louvre if you’re in Paris. It’s wonderful. You _________ come to the party if you don’t feel well. I don’t know where Kelly is. 127 plays. KG. explore. library. create. reports. classes. MODAL VERBS - OBLIGATION - PI1 quiz for University students. Find other quizzes for English and more on Quizizz for free! Must/ought to Must and ought to are used to show expression of necessity. Example: You must come to the office at 9 o’clock. You ought to come to the office at 10’o clock. Ought always comes with infinitive ‘to’ and must is used without ‘to’ Must not/mustn’t and ought not/oughtn’t To make negative sentences we use must not or Mustn’t vĂ  don’t have to. VĂ­ dỄ: You mustn’t go. = It’s prohibited. Don’t go. (BáșĄn khĂŽng Ä‘Æ°á»Łc đi. = Điều nĂ y bị cáș„m. Đừng đi.) You don’t have to go. = You can go if you want to, but it’s not obligatory/ necessary. (BáșĄn khĂŽng pháșŁi đi. = BáșĄn cĂł thể đi náșżu báșĄn muốn, nhÆ°ng điều đó lĂ  MUSET – must/have to. Existuje vĂ­ce zpĆŻsobĆŻ jak vyjĂĄdƙit českĂ© muset a jeho zĂĄpor v zĂĄvislosti na tom, zda jde o pƙíkaz nebo zĂĄkaz, zda danĂœ zĂĄvazek či povinnost vychĂĄzĂ­ z vnitƙnĂ­ho pocitu mluvčího či vlivĆŻ okolĂ­. must / must not – mustn’t / needn’t. have to / don’t have to. have got to / haven’t got to. You must / mustn’t / needn’t come. I can do it without you. You don’t have to / must / mustn’t copy during exams. You don’t have to / mustn’t / shouldn’t be very tall to play football. You must / mustn’t / needn’t be a good writer to win the Pulitzer Prize. BĂ i táș­p 3 You mustn't listen to your parents. You must break the windows at school. You must take a shower every day. You mustn't eat fruit and vegetables every day. You must eat lots of sweets if you want to lose some weight. You must feed your dog every day. Complete the sentences with must or mustn't. You brush your teeth three times a day. .

must mustn t don t have to cvičení