Unit+2+Using+Language+Grammar+課件【知識(shí)精講精研】高中英語(yǔ)外研版（2019）必修第二冊(cè)

基于大觀念的單元整體教學(xué)設(shè)計(jì)Unit2Let’scelebrate了解多元節(jié)日文化理解節(jié)日深刻內(nèi)涵培養(yǎng)節(jié)日文化自信Lesson1:

Starting

out

&

Vocabulary了解世界各地慶祝季節(jié)變換的節(jié)日了解節(jié)日相關(guān)詞匯、節(jié)日慶祝原因Lesson2:

Understandingideas理解英國(guó)作家Tolkien通過(guò)圣誕節(jié)信表達(dá)對(duì)孩子深沉的父愛(ài)Lesson3:

Usinglanguage學(xué)會(huì)情態(tài)動(dòng)詞表推測(cè)的用法掌握如何對(duì)節(jié)日進(jìn)行描述Lesson4:

Listening&Speaking學(xué)習(xí)如何發(fā)出和接受節(jié)日邀請(qǐng)Lesson5:

Developingideas了解人們對(duì)春節(jié)團(tuán)圓飯習(xí)俗的不同觀點(diǎn)思考傳統(tǒng)習(xí)俗是否應(yīng)該改變Lesson6:

Writing寫(xiě)信給編輯（對(duì)春節(jié)走向世界的看法）Lesson7:

Presentingideas&Reflection創(chuàng)造節(jié)日：陳述創(chuàng)造原因單元大觀念了解各國(guó)特色節(jié)日及慶祝原因的多樣性，學(xué)會(huì)理解并描述不同節(jié)日，提升多元文化視野；增強(qiáng)對(duì)中外不同節(jié)日文化的了解，增強(qiáng)國(guó)家認(rèn)同感，有意識(shí)地主動(dòng)弘揚(yáng)和傳播中華優(yōu)秀文化；理解和辨析不同節(jié)日的意義和內(nèi)涵，通過(guò)創(chuàng)造新節(jié)日，聯(lián)系自身實(shí)際，實(shí)現(xiàn)知識(shí)與思維能力的遷移。Unit2Let’scelebrate!UsingLanguage蔡文Modals(2)ReviewInUnit1,we’velearnedthefollowingmodals:beabletodarehadbetterneedhavetoGrammar:Modals(2)1.ThatiswhyLettersfromFatherChristmascouldbe/mustbe/mightbetheperfectbook...那就是為什么《圣誕老人的來(lái)信》可能/一定/或許是一本完美之書(shū)……couldbe:indicatepossibilitymustbe:indicatesurenessmightbe:indicatelesspossibility情態(tài)動(dòng)詞+動(dòng)詞原形，表示對(duì)現(xiàn)在的推測(cè)Grammar:Modals(2)2.Thechildrenmusthavebeen/couldhavebeen/mighthavebeenveryexcitedastheyopenedit.孩子們打開(kāi)它的時(shí)候一定/可能/或許很興奮。musthavebeen:quitesureaboutthestatementcouldhavebeen:notverysureaboutthestatementmighthavebeen:notsureaboutthestatement情態(tài)動(dòng)詞+完成式，表示對(duì)已發(fā)生情況的推測(cè)Grammar:Modals(2)3....theymight/could/mustnotreceivetheirpresentsiftheywerenotgood.如果他們表現(xiàn)不好，他們可能收不到/就收不到/絕不能收到禮物。mightnot:indicatepossibilitycouldnot:indicateimpossibilitymustnot:theyarenotallowedtoreceivethepresentsGrammar:Modals(2)情態(tài)動(dòng)詞(modals)沒(méi)有人稱(chēng)、數(shù)的變化必須和其他動(dòng)詞一起構(gòu)成謂語(yǔ)用來(lái)表示態(tài)度、愿望、推測(cè)情態(tài)動(dòng)詞對(duì)現(xiàn)在和未來(lái)的推測(cè)對(duì)過(guò)去的推測(cè)使用句型mustmust+動(dòng)詞原形musthavedone肯定句may/mightmay/might+動(dòng)詞原形may/mighthavedone肯定句，否定句can/couldcan/could+動(dòng)詞原形can/couldhavedone否定句，疑問(wèn)句（could可用于肯定句）should用來(lái)表示一種估計(jì)的情況“按理會(huì)+估計(jì)會(huì)”should+do/beshouldhavedone肯定句，否定句，疑問(wèn)句表推測(cè)時(shí)，英語(yǔ)中只使用must,may,might,maynot和can't這五個(gè)表達(dá)的語(yǔ)氣依次遞減：must：一定（語(yǔ)氣肯定）may：也許（不很肯定）might：或許（比may語(yǔ)氣更弱）maynot：也許不（表否定）can't：一定不（must的反義）Conclusion

musthavedoneItmusthaverainedlastnight,forthegroundiswet.“She

musthave

leftthehousebynow;it’snearly11o'clock.”Ididn’thearthephone.Imusthavebeenasleep.“I’velostoneofmygloves.”“Youmusthavedroppeditsomewhere.”Tomakeguessesordeductionsaboutanactioninthepastthatwebelievehasdefinitelyhappenedorpossiblyhappened.can+havedone(mainlyusedinnegativesandquestions)Youcan’thaveforgottenher.Wherecanshehaveputit?could+havedone(mainlyusedinnegativesandquestions)Hecouldnothavebeenmorethan16atthattime.Couldshehaveforgottenmyaddress?might+havedoneHemay/mighthavecomebytrain.should+havedoneThey

shouldhavearrivedinBeijingbythistime.Let’spractice!Rewritetheunderlinedsentencesintheconversationusingcan/could,may/mightandmustYoumustbefeelingtirednow.Itmay/might/couldbehim.ThatmustbeLucy!Thatcan’tbeLucy.Theymay/might/couldbefromourschool.Culturenote:BlackFriday

Lookatthepictureandmakeasmanysentencesaspossibleusing

can/could,may/might

andmust.(P22)Grammar:Modals(2)Themanwithawalletinhishandmightbeabitunwillingtopay.Grammar:Modals(2)Thewomaninredmustbeveryexcitedtobuysomanythings.Grammar:Modals(2)Thewomanwithglassesmaybeverytiredtogetupsoearlyandcarrysomanybags.Grammar:Modals(2)Thecashiermightbefeeling

uncomfortableasheissweatingalot.1.---I

wonderwhySaralooksworriedtoday.---I’mnotsure,butshe_____asmallaccidentdrivinghere.A.couldhave B.mighthave C.mighthavehad D.musthavehad2.Helen____goonthetripwithus,butsheisn’tquitesureyet.A.shall B.must C.may D.can3.Itwasaredlight,William.You____thecar.---Sorry,Ididn’tseeit.A.muststop B.shouldstop C.musthavestopped D.shouldhavestopped4.Mark_____havehurried.Afterdrivingattopspeed,hearrivedhalfanhourearly.A.needn’t B.wouldn’t C.mustn’t D.couldn’t5.MayItakethisbookoutofthereadingroom?---No,you____.Youreaditinhere.A.mightn’t B.won’t C.needn’t D.mustn’t6.Thetrafficisheavythesedays;I____arriveabitlate