2018_2019学年高中英语Module6TheTangPoemsSectionⅢGrammar_复习情态动词教案外研版.docx

Section Grammar-复习情态动词语法初识原句感知自主探究The topic of the poem cant be travel.It must be something more personal.It may be friendship.It might be the journey through life.Li Bai must have had a strange life.He cant have been interested in a normal life.He may have died when he fell out of a boat.You should read the poem sometime.Could you answer a few questions, please?I told her to stop singing, but she wouldnt listen.(1)句中黑体部分在句中均作推测；其中句表示对过去所发生的事情的推测。(2)句表示说话人的意愿，意为“应该”，句表示“请求”，句表示意愿。语法剖析1情态动词表推测的三种句式(1)在肯定句中一般用 must (一定), may (可能), might/could (也许，或许)。At this time my father must be working in his office, isnt he?在这个时候，我父亲一定正在办公室工作，是吗？He was afraid they might not agree with him.他担心他们可能不同意他的意见。(2)否定句中用 cant/couldnt (不可能), may not/might not (可能不)。They cant be at work now, for I saw them eating in the restaurant just now.他们现在一定没有在上班，因为我刚才看见他们在餐馆吃饭。He may/might not know the scientist.他也许不认识那位科学家。 (3)疑问句中用 can/could (能)。Could he have finished the task?他可能把任务完成了吗？Can he be at home now?他现在能在家吗？2情态动词表推测的三种时态(1)对将来情况的推测用“情态动词动词原形”。She must/may/might/could arrive before 5 oclock.5：00前她一定/可能/也许到。(2)对现在或一般情况的推测用“情态动词be”，“情态动词be doing”或“情态动词动词原形”。He must/may/might/could be listening to the radio now.他一定/可能/也许正在听收音机。Mr Bush is on time for everything. How can (could) he be late for the opening ceremony?布什先生一向准时，这次开幕式他怎么可能迟到呢？(3)对过去情况的推测，用“情态动词have过去分词”。It must have rained last night. The ground is wet.地面湿了，昨晚肯定下雨了。He cannot have been to that town.他不可能去过那个镇。3情态动词表推测的特殊用法(1)can除了表推测，用于疑问句和否定句中外，还可以表示“在某段时间内一时的可能性”。It can be quite windy there, especially in spring.那里有时容易刮风，特别在春季。(2)must表示“一定，非得；偏要”，强烈语气。If you must smoke, you can smoke in that room.如果你偏要吸烟，你可以在那个房间吸。集中演练1用适当的情态动词填空Life is unpredictable; even the poorest may/might become the richest.My uncle cant be at home, for he has gone to Beijing on business.Since nobody gave him any help, he must have done the research on his own.I havent decided where Im going for my holiday. I may/might go to France. Look, someone is coming. Who can/could it be?I think it must be Tom, because he said he would be here at this time.1.could的用法(1)表示过去一般的能力(即想做某事就随时可以做某事的能力)。Could you speak English then?那时候你会说英语吗？名师点津若表示在过去特定场合做某事的能力，则不能用could，而用was/were able to。The fire was very big but everyone was able to escape from the building.火势很凶猛，但大家都逃了出来。(2)could表示推测，表示某事有可能发生或可能是事实。在肯定句中没有must那么有把握；在否定句中没有cant那么有把握。He couldnt be a bad man.他不大可能是坏人。(3)could还可以用于表示客气、委婉或礼貌的请求语气。Could you pick me up at the airport at 5 am. next Monday?下周一早上五点你能到机场接我吗？Im afraid that we couldnt give you any definite answer at this moment.恐怕我们这时还无法给您任何确切的答复。(4)could的否定式与比较级连用表示最高级。No one could be more generous; he has a heart of gold.没人比他更慷慨；他有一颗金子般的心。(5)could have done表示“可能已经”。此外，它还可以表示“本能够做某事(而没有做)”，暗含惋惜之情。You could have done it well, but you were too careless.你本可以做好的，但是你太马虎了。Where could she have gone last night?她昨晚可能到哪里去了呢？2should的用法(1)表示劝告和建议，意为“应该”。此时ought to比should语气要强。You should/ought to put more effort into your work.你应该更加努力地工作。(2)表示推测：用于肯定句，表示按常规、常理的推测，意为“按理说应该”。He left Paris in the morning. So he should arrive here by supper time. 他早上离开巴黎， 因此他晚饭前应该能到。(3)表示惊讶、意外等情绪，意为“竟然”。It is strange that such things should happen in our school.真奇怪，这样的事情竟然在我们学校发生了。(4)should (not)have done。should have done sth.表示“本应该做某事，但事实上却没有做”； shouldnt have done sth.表示“本不该做某事，但事实上做了”。You should have got up earlier.你本应该早点起床的。You shouldnt have told him about it.你本不该把这件事告诉他的。3would的用法(1)表示意愿，在陈述语气和虚拟语气中都可用。I told Peter that I would go along with him.我告诉彼得我要跟他一块去。(2)表示请求、建议等，would比will委婉客气。在疑问句中用于第二人称。Would you please tell me the way to the nearest busstop? 你可以告诉我去最近的公共汽车站的路吗？(3)表示习惯，意为“总是，习惯于”。与used to相比，would表示过去重复、习惯性动作；而used to则强调过去与现在的对比。Last year our English teacher would tell us stories in English after class. 去年我们的英语老师常常课后给我们用英语讲故事。He used to spend all his money on food and drink; now he lives a simple life. 他过去把钱都花在吃喝上，现在他过着简朴的生活。集中演练2选词填空：could, should, wouldWe should always lend a hand to those who are less fortunate than we are.I dont like fish, so I would not eat it unless I was extremely hungry.It could not be the vocabulary that caused you the problem in the exercise because you know a lot of words.You cant imagine that a wellbehaved gentleman should be so rude to a lady. Every time she was in trouble, she would turn to him for help.He did not regret saying what he did but felt that he could have expressed it differently. I should have attended Susans birthday party last night but I completely forgot about it.I could not have enjoyed myself more it was a perfect day.链接高考单句语法填空1(2016浙江高考单选改编)George cant _ (go) too far. His coffee is still warm.解析：have gone考查情态动词跟完成时表示对过去的推测。句意：乔治不可能走太远，他的咖啡仍是温的。cant have gone意为“不可能走(远)”，是对过去情况的否定推测，符合语境。2(2016天津高考单选改编)It was really annoying; I _ get access to the data bank you had recommended.解析：couldnt考查情态动词。句意：真令人恼火。我不能进入你推荐的数据库。根据“It was really annoying”可知应用couldnt。3(2015福建高考单选改编)Sorry, Mum! I failed the job interview again.Oh, its too bad. You _ have made full preparations.解析：should考查情态动词。句意：“对不起，妈妈！我工作面试又没过。”“哦，真是太糟糕了。你本该做好充分准备的。”表示“本应该做某事(实际并未做)”用should have done，故填should。4(2015陕西高考单选改编)You _feel all the training a waste of time, but Im a hundred percent sure later youll be grateful you did it.解析：may考查情态动词。句意：你或许觉得所有的训练都是浪费时间，但是我百分之百确信，你以后会感激自己做过的一切。may“或许，可能”。5(2015重庆高考单选改编)You _be Carol. You havent changed a bit after all these years.解析：must考查情态动词表推测。句意：你一定是凯罗尔。这么多年你一点儿都没变。根据语境可知，此处表示肯定的推测，故用must“一定”。针对演练.用适当的情态动词填空1It is usually warm in my hometown in March, but it can be rather cold sometimes.2David said he would do as much as he could to help us.3He may/might have said so at the meeting, but Im not sure.4Your mother must have known the good news. She looks quite happy.5Yesterday you should have attended the meeting, but what was the reason for your absence?6When he was there, he would go to that coffee shop at the corner after work every day. 7He cant have gone to Shanghai, for I saw him a minute ago. 8It may/might sound like a perfect destination, but it is really adventurous to go there.9I was really anxious about you. You shouldnt have left home without a word.10You could have done better, but you didnt try your best.完成句子1When Susan was only seven years old, she could_speak (能说) three foreign languages.2Your brother is doing his homework in his room, so you should_turn_the_TV_down (应该把电视声音关小). 3Johns father told him not to play video games, but John wouldnt_listen_to (不听) him.4They shouldnt_have_told (本不应该告诉) her the truth. Look, she is crying over there.5Tony could_have_caught (本来能赶上) the train on time, but the taxi broke down halfway.6They must_have_got_lost (一定迷路了) in the forest. Othe