1) It’s a good idea to do this a) should b) shouldn't c) have to d) mustn't e) don't have to f) must 2) It isn’t necessary to do this a) should b) shouldn't c) have to d) mustn't e) don't have to f) must 3) It isn’t a good idea to do this. a) should b) shouldn't c) have to d) mustn't e) don't have to f) must 4) You aren’t allowed to do this. a) should b) shouldn't c) have to d) mustn't e) don't have to f) must 5) It‘s necessary to do this (two answers) a) should b) shouldn't c) have to d) mustn't e) don't have to f) must 6) I’d prefer to go on holiday with friends not my parents, so that I _________ visit boring museums.  a) can't b) must c) don't have to 7) Yesterday, in our art class, we ___________ a sketch of a bowl of fruit. a) had to draw b) must draw 8) You _________ get angry so easily! a) mustn't b) musn't 9) The oral exam was fine. First I _______ introduce myself, and then I talked for 15 minutes. a) had to b) must 10) It isn’t a good idea to go to bed late. a) You shouldn't go to bed late. b) You mustn't go to bed late. 11) We must prepare for the history project.  a) We have to prepare for the history project. b) We don't have to prepare for the history project. 12) It’s a good idea to follow your teacher’s advice. a) You should follow your teacher’s advice. b) You have to follow your teacher’s advice. 13) You must follow your teacher’s advice. a) You should follow your teacher’s advice. b) You have to follow your teacher’s advice. 14) It’s really important that Sandy is on time. a) Sandy must be on time. b) Sandy doesn't have to be on time. 15) It isn’t necessary to get on with everyone. What does "get on" mean? a) You don't have to get on with everyone. b) You have to get on with everyone. 16) you don't have to means:  a) obligation b) no obligation 17) Must and have to mean the same thing a) true b) false 18) should and must mean the same thing a) true b) false 19) Correct or incorrect: You should to study for the exam.  a) correct  b) incorrect 20) Correct or incorrect: You have study for your exam.  a) correct b) incorrect 21) Correct or incorrect: You have to study for the exam.  a) correct b) incorrect 22) Correct or incorrect: You must to study for the exam.  a) correct b) incorrect 23) Correct or incorrect: You must study for the exam.  a) correct b) incorrect 24) After the modal verbs: should, shouldn't, must, mustn't, need, needn't we put.... a) to + infinitive b) only the infinitive  25) You need to do your homework is the same as saying... a) It's necessary to do your homework b) It ISN'T necessary to do your homework. 26) After "need" and "have" in obligation we need to put a) the preposition "to" and then the infinitive (verb) b) only the infinitive (verb) 27) The concert is free!! a) You don't have to pay to go to the concert.  b) You have to pay to go to the concert. 

PREPARE4_U7_Grammar 🔓 Open the Box!

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