2019年高中英語Module6TheTangPoemsSectionⅢGrammar—情態(tài)動詞教案外研版選修8.docx

Section Grammar 情態(tài)動詞語法圖解探究發(fā)現(xiàn)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.我的發(fā)現(xiàn)(1)句表示推測，其中句表示對過去所發(fā)生的事情的推測。(2)句表示說話人的意愿，意為“應該”，句表示請求，句表示意愿。一、情態(tài)動詞表推測(一)情態(tài)動詞表推測的三種句式1在肯定句中一般用must(一定)，may(可能)，might/could(也許，或許)。You have worked hard all day.You must be tired.你辛苦干了一整天，一定累了。The thought that she might be ill annoyed him.想到她或許病了，他就不安。2否定句中用cant/couldnt(不可能)，may not/might not(可能不)。If Tom didnt leave here until five oclock, he cant be home yet.如果湯姆五點才離開這兒，他此時一定還未到家。He said that I might not borrow his car.他說我可能不用借他的車。3疑問句中用can/could(能？)。Could he have finished the task?他可能把任務完成了嗎？Can he be at home now?他現(xiàn)在能在家嗎？即時演練1用適當?shù)那閼B(tài)動詞填空He must be ill. He looks so pale.He was afraid they might not agree with him, but I am not quite sure.It cant/couldnt be the headmaster. He has gone to America.Someone is knocking at the door. Who can it be?It may take a long time to find a solution to the problem. (二)情態(tài)動詞表推測的三種時態(tài)1對將來情況的推測，用“情態(tài)動詞動詞原形”。She must/may/might arrive before 5：00 pm.下午5：00前她一定/可能/也許到。2對現(xiàn)在或一般情況的推測，用“情態(tài)動詞be”“情態(tài)動詞be doing”或“情態(tài)動詞動詞原形”。At this moment, our teacher must/may/might/could be correcting our exam papers.這時，我們老師一定/可能/也許在批改試卷。Mr. Bush is on time for everything. How can/could he be late for the opening ceremony?布什先生一向準時，這次開幕式他怎么可能遲到呢？3對過去情況的推測，用“情態(tài)動詞have過去分詞”。I didnt hear the phone. I must have been asleep.我剛才沒有聽到電話，我一定是睡著了。The door is locked. He can not have been at home.門鎖著，他不可能在家。(三)情態(tài)動詞表推測的特殊用法(1)can除了表示推測，用于疑問句和否定句中外，還可以用于肯定句中，表示“在某段時間內(nèi)一時的可能性”。It can be quite windy there, especially in spring.那里有時容易刮風，特別在春季。(2)must表示“一定，非得；偏要”，語氣強烈。If you must ask for a leave today, you must give out your reason.如果今天你非要請假的話，你就得說出理由。即時演練2(1)單句語法填空Listen, he must be_reading (read) English. Since nobody gave him any help, he must have_done (do) the research on his own.It is important to know about the cultural differences that may cause (cause) problems.(2)選詞填空(must/may/might/can/cant) If you must go, at least wait until the storm is over.We enjoy good weather in January, but sometimes it can be terribly cold. I havent decided where Im going for my holiday. I may/might go to France. The story he told cant be true, because it is not reasonable. Can they finish this before the deadline? 二、should, could, would的用法(一)could的用法1表示過去一般的能力(即想做某事就隨時可以做某事的能力)。Could you speak English then?那時候你會說英語嗎？名師點津若表示過去的特定能力(即在過去特定場合做某事的能力)，則不能用could，而用was (were) able to do sth.或用managed to do sth.或用succeeded in doing sth.等。The fire was very big but everyone was able to escape from the building.火勢很兇猛，但大家都逃了出來。2could表示推測，表示某事有可能發(fā)生或可能是事實。在肯定句中沒有must那么有把握；在否定句中沒有cant那么有把握。He couldnt be a bad man.他不大可能是壞人。He could have gone home. 他可能已回家了。3比較委婉客氣地提出問題或陳述看法。Could you drive me to the station? 你可以開車送我去車站嗎？We could take the train or alternatively go by car. 我們可以坐火車去，也可以坐汽車去。4表示驚異、懷疑、不相信等態(tài)度。How could he say such a thing!他竟說出這種話來！5could have done表示“可能已經(jīng)”。此外，它還可以表示“本能夠做某事(而沒有做)”，暗含惋惜之情。You could have done better if you had been more careful.你要是再細心一點，是可以做得更好的。(二)should的用法1表示義務、建議、勸告，意為“應該”，用于各種人稱。其同義詞是ought to。Every citizen should obey the law. 每個公民都應當遵守法律。You shouldnt waste any time.你不應該浪費時間。2表示推測：用于肯定句，表示按常規(guī)、常理的推測，意為“按理說應該”。The film should be very good as it is starring firstclass actors. 這部電影是一流演員主演的，應該拍得很好。If all goes according to plan we should be in Shanghai tomorrow.如果一切按照預定的計劃進行，明天我們就在上海了。3表示說話人對某事不能理解，感到意外、驚異等意思。意為“竟會”。It is a pity that he should miss such a golden opportunity.他竟錯過如此大好機會，真可惜。4用于某些從句中表示虛擬語氣。She suggested that they should book the ticket in advance. 她建議他們預先訂票。5should have done sth.表示“本應該做某事(而事實上并沒有做)”。shouldnt have done sth.表示“本不該做某事(而事實上做了)”。You should have turned in your homework yesterday. 你們本該昨天交作業(yè)。 (三)would的用法1表示請求、建議等，would比will委婉客氣。在疑問句中用于第二人稱。Would you please lend me your pencil? 請把鉛筆借給我用用好嗎？2表示意愿，在陳述語氣和虛擬語氣中都可用。He would not leave before he finished his work.他在完成工作以前不愿離開。3表示過去的習慣、例行的活動或過去的一種傾向。He would sit at the table, deep in thought.他總是坐在桌邊，陷入沉思。4用在虛擬語氣的主句中。If you went to see him, he would be delighted.如果你去看他，他一定非常高興。She would have come if she hadnt been so busy.要不是因為忙她就來了。即時演練3(1)選詞填空(could/should/would)I dont like fish, so I would not eat it unless I was extremely hungry.Every time she was in trouble, she would turn to him for help.We should have checked the time before we left.You cant imagine that a wellbehaved gentleman should be so rude to a lady. I could not have enjoyed myself more it was a perfect day. You could have done it well, but you were too careless.(2)完成句子They were_able_to_escape from the flood.他們成功地從洪水中逃離。He would_read_aloud in the morning when he was a student.他過去上學時總是在早晨大聲朗讀。We should_not_have_made_fun_of her in the classroom.我們本不應當在教室里開她的玩笑。If the car should_break_down on the way, you would have to walk back.萬一汽車中途拋錨，你就得走回來。Could/Can/May I use the phone?我可以用這個電話嗎？.用適當?shù)那閼B(tài)動詞填空1(2017北京高考)Samuel, the tallest boy in our class, can easily reach the books on the top shelf.2(2016全國卷)Sometimes chopsticks are quite artistic.Truly elegant chopsticks might be_made (make) of gold and silver with Chinese characters.3(2016北京高考改編)I love the weekend, because I need not get up early on Saturdays and Sundays.4(2015北京高考)Cant you stay a little longer?Its getting late. I really must go now. My daughter is home alone.5(2015福建高考)Sorry, Mum! I failed the job interview again.Oh, its too bad. You should have made full preparations.6(2015陜西高考)You may/might feel all the training a waste of time, but Im a hundred percent sure later youll be grateful you did it.7(2015四川高考)You must be careful with the camera. It costs!8(2015重慶高考)You must be Carol. You havent changed a bit after all these years.9The traffic is heavy these days. I might arrive a bit late, so could you save me a place?10. When he was there, he would go to that coffee shop at the corner after work every day. .完成句子1(2017全國卷書面表達)If you will join, you_may_send_your_information_to intlpasspptgmschool. com.如果你想加入，你可以往.發(fā)送你的個人信息。2(2016全國卷書面表達)Id appreciate it if you_could_do_me_a_favor.如果你能幫助我，我會非常感激。3(2016全國卷書面表達)Im sorry to say that I_cannot_go_to_the_bookstore_with_you on Friday afternoon.非常抱歉星期五下午我不能和你去書店了。4(2015四川高考滿分作文)You mentioned that you would_like_to_teach_English in return, which is exactly what I am dying for. 你提到你愿意教英語作為回報，這正是我所渴望的事。5(2015陜西高考書面表達)I will be grateful if you could_give_me_a_kind_consideration.如果你能多加關照，我將不勝感激。6We could_have_finished it yesterday, but we ran out of time.我們昨天就應該做完這件事的，但我們沒有時間了。7Its strange that he should_be_late on such an important occasion.很奇怪，這么重要的一個場合他竟然遲到了。.短文改錯I