李仕才讀語篇，悟語法。反復(fù)朗讀下列短文，領(lǐng)悟畫線黑體部分。思考：各個情態(tài)動詞的含義；什么情況下用情態(tài)動詞的完成式，分別表達(dá)什么含義。Lucy is an outgoing lady. She can1 play many kinds of musical instruments. Actually, she could2 play the piano when she was 8 years old. Lucy also keeps taking exercise every day. She says that she has to3 do some sports because she must4 keep slim.“You shall 5 get fat soon if you dont take exercise every day. ” she usually says to her friends.As for her, an elegant lady should6 try to keep fit. However, last week, she found that she might 7 put on weight and she was worried and decided to lose weight. And these days she is always thinking that she may8 succeed soon if she tries all her best. However, she is always lack of time because she ought to9 take care of her children.One night after supper, she walked quickly in order to go dancing at the Tomorrow Park and she was late. On her way, she thought that the dancing must have begun10, and the coach could have taught or shown11 many new moves. She was afraid that her friends might have left12 before she got there. She was regretful then. She should have had13 supper earlier, or she could have taken a taxi14, and indeed she neednt have taken15 a bath in advance.When she reached the park finally, she found nobody was there. She remembered suddenly that it had been reported on the radio that there would be a heavy rain that night.1can在此表示能力。2could在此表示能力，是can的過去式。3have to表示“不得不”，強調(diào)客觀需要。4must表示“必須”，強調(diào)主觀想法。5shall表示說話者的意圖、允諾、告誡、警告等，用于陳述句的第二、第三人稱。6should表示勸告或建議，意為“應(yīng)該”。7might在此是may的過去式，表示“可能”。8may表示“可能”。9ought to“應(yīng)該”，表示義務(wù)或責(zé)任，比should語氣重。10must have done表示對過去已經(jīng)發(fā)生的事進(jìn)行推測，意為“想必已經(jīng)做了某事”。11could have done表示對過去情況的推測，意為“可能已經(jīng)做了某事”。12might have done表示“或許已經(jīng)做了某事”。13should have done表示“本應(yīng)該做某事(但沒有做)”，有責(zé)備和懊悔之意。14could have done意為“本來可以做某事(但沒有做)”，有懊悔之意。15neednt have done表示做了本來不必去做的事情，意為“本不必做某事(但卻做了)”。.單句填空(用must, can, may, might，shall, should, cant, neednt, mustnt填空。)1I _ worry about my weekendI always have my plans ready before it comes.2Just be patient. You _ expect the world to change so soon.3May I take this book out of the reading room? No, you _. You read it here.4You _ park here! Its an emergency exit.5I cant leave. She told me that I _ stay here until she comes back.needntcantmustntmustntmust6I dont really like James. Why did you invite him? Dont worry. He _ not come. He said he wasnt certain what his plans were.7It _ have been Tom that parked the car here, as he is the only one with a car.8The traffic is heavy this day; I _ arrive a bit late, so could you save me a place?9It is usually warm in my hometown in March，but it _ be rather cold sometimes.10She _ have left school, for her bike is still here.may/mightmustmightcancant.單句改錯(下列每句中有一處錯誤，每處錯誤僅涉及一個單詞的增加、刪除或修改，請指出并改正。)1I used to living in Hunan but now I live in Guangzhou._2She could sang very well when she was a girl._3Youd better to wear rubbers, for its raining outside._4I would rather to work than play._5I asked him whether he needs go there._6Something is wrong with my computer and it need repairing._livinglivesangsing去掉to去掉toneedsneedneedneeds7I can have lent you the money. Why didnt you ask me？_8She should able to give us a good answer._9Judging from what you say, he ought succeed._10You mustnt have told him the news; he knew it already._cancould在able前加be在ought后加tomustntneednt第二課時寫作增分課情態(tài)動詞在寫作中的增分點一、利用情態(tài)動詞的語法特征寫對句子1他能游過那條河。(can, swim, across the river) _2她可能反對這件事。(may, object to) _3他必須不遺余力學(xué)好英語。(must, spare no effort, learn English well) _He can swim across the river.She may object to it.He must spare no effort to learn English well.4我明年就能開車了。(will, be able to, drive a car) _5我不會再遲到了。(wont, late) _6你最好盡你最大努力，來實現(xiàn)父母對你的期望。(had better, try ones best, live up to, expectations) _I will be able to drive a car next year.I wont be late again.You had better try your best to live up to your parents expectations.7你不必告訴他什么。(need/have to) _8她不敢單獨在夜里出去。(dare, alone) _You neednt tell him anything./You dont have to tell him anything.She darent go out at night alone./She doesnt dare to go out at night alone.二、利用情態(tài)動詞的推測性用法寫靚句子1我家鄉(xiāng)春天的天氣相當(dāng)暖和，但有時也會非常得冷。(weather, fairly warm, can, extremely cold) _ _2你在山路上開車時一定要小心，因為有時可能很危險。(drive down the mountainous road) _The weather in my hometown is fairly warm in spring, but it can be extremely cold sometimes.You must be careful when you drive down the mountainous road, because it can be dangerous.3我明天或許不會去看你，因為我的叔叔明天可能來。(might, call on, drop in) _4現(xiàn)在，他不可能在和他的同學(xué)一起旅游。相反，他一定是在家里學(xué)習(xí)。(tour with, study) _ _I might not call on you tomorrow, because my uncle might drop in.At the moment, he cant be touring with his friends.On the contrary, he must be studying at home.5是因為我學(xué)習(xí)不夠努力，還是因為我學(xué)習(xí)方法不當(dāng)？(can, work hard enough, in the right way) _ _6他隨時會到。(should, any moment) _Can it be because I havent worked hard enough or because I havent studied in the right way?He should be here any moment.三、利用“情態(tài)動詞have done”寫高級句子1那天上學(xué)我遲到了。我可能把鬧鐘關(guān)掉后又睡著了。(turn off the alarm clock, fall asleep) _ _2我到家后發(fā)現(xiàn)我的錢包不見了。或許我把它遺忘在你的出租車上了。(cant find my wallet, leave, taxi) _I was late for school that day.I might have turned off the alarm clock and fallen asleep again.I couldnt find my wallet when I got home.I might have left it in your taxi.3她不可能已經(jīng)走了，因為她的手提包還在這里。(leave, handbag, lie) _4他可能是去北京了，因為他曾經(jīng)說過他的姑姑在那里工作。(could, once said) _5我一定是在回家的路上把它弄丟了。(drop it somewhere on my way home) _She cant have left, because her handbag is still lying here.He could have gone to Beijing, because he once said his aunt worked there.I must have dropped it somewhere on my way home.四、巧用“will, shall, would, used to”增加句中“惹眼”成分1如果你不聽我的建議，你會后悔一輩子的。(follow ones advice, regret) _2我盡力推門，門就是不開。(push, wouldnt) _3我告訴他不要輟學(xué)，但他不愿意聽。(tell, drop out of school) _If you dont follow my advice, you shall regret for the rest of your life.I tried to push the door, but it wouldnt open.I told him not to drop out of school, but he wouldnt listen.4當(dāng)我們小的時候，他星期天總是來我家和我一起玩。(come over to my home, on Sundays) _5我過去夜里睡得早，但我現(xiàn)在已習(xí)慣熬夜了。(used to, get used to, stay up late) _When we were young, he would come over to my home and play with me on Sundays.I used to go to bed early at night, but I get used to staying up late now.