Unit 2 Let’s celebrate! 導(dǎo)學(xué)案
Period 2 Using language1、了解情態(tài)動(dòng)詞表示推測(cè)的基本用法,增強(qiáng)使用情態(tài)動(dòng)詞的意識(shí),學(xué)會(huì)在真實(shí)語境中正確運(yùn)用情態(tài)動(dòng)詞;2、初步了解“黑色星期五”這一節(jié)日,拓展知識(shí)的廣度；3、總結(jié)歸納節(jié)日期間各種慶祝活動(dòng)的相關(guān)表達(dá),學(xué)會(huì)描述節(jié)日;4、了解如何禮貌得體地發(fā)出邀請(qǐng)和接受邀請(qǐng)。重點(diǎn)：1、掌握情態(tài)動(dòng)詞表示推測(cè)的基本用法,能夠在真實(shí)語境中正確運(yùn)用情態(tài)動(dòng)詞;2、理解“黑色星期五”這一節(jié)日,拓展知識(shí)的廣度。難點(diǎn)：1、學(xué)會(huì)總結(jié)歸納節(jié)日期間各種慶祝活動(dòng)的相關(guān)表達(dá),學(xué)會(huì)描述節(jié)日;2、能夠禮貌得體地發(fā)出邀請(qǐng)和接受邀請(qǐng)。一、課前預(yù)習(xí)1、詞匯積累（核心單詞+重點(diǎn)短語）A）  核心單詞                                          B)重點(diǎn)短語1.indicate ______________2.wave ______________3.attract ______________4.decorate ______________5.request ______________6.guy ______________7.lantern ______________8.firework ______________9.riddle ______________10.dessert ______________11.competition ______________12.host ______________13.fancy ______________14.formal ______________ 2、詞語釋義：1._____________  to make someone interested in something so that they do it or come to see or hear it 2._____________  a light inside a transparent container with a handle for carrying it 3._____________  a man or youth 4._____________  to offer something such as a welcome, thanks or sympathy to someone 5._____________  sweet food that you eat after the main part of a meal 6._____________  a piece of cloth that you wear round your neck to keep warm 7._____________  a red piece of paper that is folded to contain money for best wishes 8._____________  balls of glutinous rice with different fillings inside 二、語法精講情態(tài)動(dòng)詞表推測(cè)的用法 （一）表示可能性的層次比較 (1)must用在肯定句中表示“推測(cè)”，意為“肯定，一定”，其否定形式為can't/couldn't。mustn't不表“推測(cè)”，而是表“禁止”，意為“絕不能；一定不要”。①I am sure he _______ be tired after such a long journey.我敢肯定經(jīng)過這樣一次長途旅行他肯定是累了。②You ________ go out alone at night.你絕不能晚上單獨(dú)一個(gè)人出去。(2)can/could可以用在否定句和疑問句中表示“推測(cè)”，在否定句中表“推測(cè)” 時(shí)意為“肯定不”。He _______be Tom's father，for he wears a beard.他肯定不是湯姆的爸爸，因?yàn)樗糁印?/span>(3)may/might表示“推測(cè)” 時(shí)，意為“也許；大概；可能”，其肯定性不強(qiáng)，故經(jīng)常和I'm not sure之類的短語連用。He ______ arrive here on time，but I am not sure.他也許能按時(shí)到達(dá)這里，不過我不敢肯定。(4)should在表示“推測(cè)” 時(shí)，往往是一種主觀上的推斷，意為“按道理說，按道理講”。①We ______ arrive home before dark.按說在天黑之前我們應(yīng)該能到家。②Although you________find bargains in London，it's not generally a cheap place to shop.雖然在倫敦你有時(shí)能買到便宜的東西，但是總體上說倫敦不是一個(gè)購物便宜的地方。③It ________be the vocabulary that caused you the problem in the exercise because you know a lot of words.   在這次練習(xí)中導(dǎo)致你出現(xiàn)這個(gè)問題的不可能是詞匯，因?yàn)槟阏J(rèn)識(shí)很多單詞。④—________you interrupt now？Can't you see I'm on the phone?—Sorry, Sir，but it's urgent.——你非要現(xiàn)在打斷我嗎？難道你沒看見我在打電話嗎？——很抱歉，先生，但是這件事情太緊急了。（二）情態(tài)動(dòng)詞+have done 表示對(duì)過去發(fā)生的事情的推測(cè)(1)must have done表示對(duì)過去已發(fā)生的事情進(jìn)行肯定的推斷，只用于肯定句中，意為“一定，必定”，其否定形式為can't/cannot have done。(2)could have done表示本能夠做某事，實(shí)際卻沒做。(3)may/might have done表示對(duì)過去已發(fā)生的事情進(jìn)行推斷，意為“可能/或許已經(jīng)……”。其否定形式為may/might not have done，意為“可能沒有做……”。(4)should/ought to have done表示本應(yīng)該做某事，卻沒有做，含有責(zé)備或后悔之意。其否定形式為should not/ought not to have done，表示本不該做某事卻做了。(5)needn't have done表示本沒有必要做某事卻做了，多用于否定句中。①—Sorry，Mum！I failed the job interview again.—Oh，it's too bad.You ________ have made full preparations.②I ________ have worried before I came to the new school，for my classmates here are very friendly to me.③You________have interrupted the meeting to tell me that；you could have come to tell me afterwards.④The children________(get)lost in the woods；otherwise，they would have been at the lakeside camp as scheduled. Ⅰ.閱讀下列句子,選出畫線情態(tài)動(dòng)詞在句中的用法。1. He could lift up a very big rock at the age of 10.A. an order B. a request C. ability  D. possibility2. Could you lend me your dictionary?A. an order B a request C. ability  D. possibility3. He couldn't have seen me last night. I stayed home all night.A. an order B a request C. ability  D. possibility4. You must finish your homework first.A. an order B. a request C. ability  D. possibility5. You mustn't touch the machine.A. an order B a request C. ability  D. possibility6. He must be waiting for us at the gate now. He must have told you about it yesterday.A. an order B a request C. ability  D. possibility7.-May I close the window?-Yes, you may.A. an order B a request C. ability  D. possibility8. He may be here today, but I am not sure.A. an order B. a request C. ability  D. possibility9. He may not have finished his homework.A. an order B. a request C ability  D. possibilityⅡ.用恰當(dāng)?shù)那閼B(tài)動(dòng)詞或所給詞的適當(dāng)形式填空。How to prevent pneumonia from new coronavirus infection?（怎樣預(yù)防新型冠狀病毒感染的肺炎？）1. You m_______ contact with people from the source of ________(infect);2. You h_________wear a mask when ______(go) out;3. You _________wash hands before going home, touching animals, unclean objects, mouth, nose_____ eyes before meals;4, You ________ go to crowded places, try ______(stay) at home;5. You _________strengthen physical exercise to improve personal immunity.Ⅲ.短文語法填空題From the mass media and also with our eyes, we know much dishonest behavior 1______(exist) in our society. For example, businessmen sell fake products 2_____(cheat) their customers; students copy one another’s homework 3____ download improper paper from the Internet to cheat their teachers; and even worse, there are medical persons 4____ produce fake medicine harming the patients. Seeing our society is filled with so many dishonest phenomena, I can’t help 5______(ask) myself what’s wrong with us.When we were very young we were taught the 6_______(important) of being honest. I am sure everyone must still remember that story “Wolf is coming”. In the story 7____ child kept cheating other people that wolf was coming, but when the wolf really came, nobody trusted his words and he 8______(final) suffered for his own dishonesty. Also we have heard many stories that people benefit 9______their virtues of honesty.Since we have already known being honest benefits both 10______(our) and other people, why are many of us still dishonest? I hope everyone bears in mind that being honest is the basic quality of human being and then we won’t be afraid of any “wolf”.      
參考答案：一、課前預(yù)習(xí)1、生詞+短語A) 略B) 略2、詞語釋義：1.attract;  2.lantern;  3.guy;  4.extend;  5.dessert;  6.scarf;  7.red envelope;  8.rice balls 二、語法精講（一）(1)①must②mustn't(2)can't (3)might(4) ①should; ②can;　③couldn't; ④Must　（二）①should/ought to②needn't③shouldn't/oughtn't to④must have got　課后鞏固Ⅰ、1-5:CBDAA; 6-10: DBDDⅡ、1.mustn’t, infection;  2.had better, going;  3.ought to/should,and;  4.shouldn’t, to stay;  5.should/ought to/had betterⅢ、1.exists;2.to cheat;3.or ;4.who;5.asking;6.importance;7.the;8.finally;9.from;10.ourselves 

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