shall should dare need used to ought to have to must may/might can/could (限有心)管行维据。二元：【第十四章 情态动词例句】 一、例句 1.can/could He can’t be sixty. Could you come again tomorrow 2.may/might May/Might I use your bike He may/might be at home. May you succeed! 3.must You must study hard. She must be tired. 4.have to Without help, I had to do it myself. 5.ought to You ought to obey laws. 6.Shall Shall we go now The sigh there reads, “No person shall smoke here.” 7.should You should learn from each other. You should have given him help. 8.will/would He promised he would never smoke again. Will/Would you like some tea 9.dare He dare not/daren’t sleep alone. Dare you touch it 10.need You needn’t do the work now. 11.used to He used to play football. 【情态动词练习】 1. It used to be that you _____ drive for miles here without seeing another person, but now there are houses and people everywhere. A. need B. should C. could D. must 2.Jim says we _____ stay in his house as long as we leave it clean and tidy . A. must B. can C. need D. should 3. If I hadn't been faced with so many barriers, I _____ where I am. A. won't be B. wouldn't have been C. wouldn't be D. shouldn't have been 4.The professor warned the students that on no account _____ use mobile phones in his class. A. should they B. they should C. dare they D. they dare 5. What a pity! You missed the sightseeing, or we _____ a good time together. A. had B. will have C. would have had D. had had 6.The workers were not better organized, otherwise they _____ the task in half the time. A. accomplished B. had accomplished C. would accomplish D. would have accomplished 7. I can't find my purse. I _____ it in the supermarket yesterday, but I'm not sure. A. should leave B. must have left C. might leave D. could have left 8.It’s strange that he _____ have taken the books without the owner’s permission. A. would B. should C. could D. might 9. There is a good social life in the village, and I wish I _____ a second chance to become more involved. A. had B. will have C. would have had D. have had 10. In today’s information age, the loss of data _____ cause serious problems for a company. A. need B. should C. can D. must 11.Thank you for all your hard work last week. I don’t think we _____ it without you. A. can manage B. could have managed C. could manage D. can have managed 12. Samuel, the tallest boy in our class, _____ easily reach the books on the top shelf. A. must B. should C. can D. need 13. My room is a mess, but I _____ clean it before I go out tonight. I can do it in the morning. A. daren’t B. shouldn’t C. needn’t D. mustn’t 14. —Do you have Betty’s phone number —Yes. Otherwise, I _____ able to reach her yesterday. hadn’t been B. wouldn’t have been C. weren’t D. wouldn’t be 15. It was really annoying; I _____ get access to the data bank you had recommended. A. wouldn’t B. couldn’t C. shouldn’t D. needn’t 16. Had the governments and scientists not worked together , A ... ...
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