高中情态动词讲解.docVIP

PAGE 情态动词专项讲解 1. China is developing its high-speed train technology fast, so it _____be good enough to catch up with the best. A. may B. might C. must D. should 2. Then some other interesting reasons appear, such as “Its so smoggy that I ______find my way to office. A. mustn’t B. won’t C. can’t D. shouldn’t 3. The world is big, and I want to see it, wrote a teacher in her resignation letter. _____ you quit your job to travel the world? A. Must B. Might C. Should D. Would 【答案揭晓】 CCD 一、情态动词的定义 情态动词是一种本身有一定的词义，但要与动词原形或其被动语态一起使用，给谓语动词增添情态色彩，表示说话人对有关行为或事物的态度和看法，认为其可能.应该或必要等。情态动词后面加动词原形。 1. No driving electric motorbikes in some areas is a rule that we shall obey in Fuzhou. 必须.一定（法律.法规等） 动词原形 2. Women who are exposed to second-hand smoke during their pregnancy can be at risk of abortion.能，会，可以(表示有能力或机会) 动词原形 二、常考情态动词的关键用法 (一) can 1. －Jim，it is time you went to bed．You need to get up early tomorrow. －It’s not fair，Mary can stay up till ten hut I have to go to bed at eight. 可以(表示允许) 2.If it were not for the fact that she cant sing，I would invite her to the party. 能，会，可以(表示有能力) 3. Luckily, iron can be reworked and mistakes dont have to be thrown away 能够，可以(表示某事物的特点) 4.Peter can be really difficult to get along with at times even though he’s a nice person in general. 有可能;有时会 5. I cannot choose but to go. 不能，无法 (用于否定句，表示情况不允许) 6.I cannot thank you enough,it has been a wonderful day. 再也不为过 ( 也可以用can never/hardlytoo much) 7.—Is Jack on duty today?—It cant be him.It’s his turn tomorrow. 不可能 (can可用于否定句/疑问句中表猜测，此句表对现在的猜测) 8.—Can he have been chosen as captain of the football team? —Yes, he must have. 可能 （can可用于否定句/疑问句中表猜测，can have done表示对过去的猜测猜测） 9. This old lady was struggling out of the train and I said, Oh, can I help you? 能 (通常用于疑问句，表示建议或提议帮忙) 10. Can you just lift the table for a second? (用于疑问句时,can 表示礼貌的请求，而 cant 表示强烈请求） (二) cou