Unit 7Teenagers should be allowed to choose their own clothes重點(diǎn)語法精講課件 人教版英語九年級(jí)

Teenagersshouldbeallowedtochoosetheirownclothes重點(diǎn)語法精講Unit7CONTENTS情態(tài)動(dòng)詞被動(dòng)語態(tài)01情態(tài)動(dòng)詞表義務(wù)02表達(dá)同意和不同意的常考點(diǎn)03情態(tài)動(dòng)詞被動(dòng)語態(tài)Tablescanbemadeofstones.桌子可由石頭制造。肯定句結(jié)構(gòu)：情態(tài)動(dòng)詞+be+過去分詞Ibelievethatsomethingcannotbeboughtbymoney.我相信有些東西是用錢買不到的。否定句結(jié)構(gòu)：情態(tài)動(dòng)詞+not+be+過去分詞情態(tài)動(dòng)詞被動(dòng)語態(tài)Cantablesbemadeofstones?桌子能用石頭制造嗎？一般疑問句結(jié)構(gòu)：情態(tài)動(dòng)詞+主語+be+過去分詞+...?Theseyoungtreesshouldbewateredeveryday.（對(duì)劃線部分提問）特殊疑問句結(jié)構(gòu)：疑問詞+情態(tài)動(dòng)詞（+主語）+be+及物動(dòng)詞的過去分詞（+by+賓語）？Howoftenshouldtheseyoungtreesbewatered?情態(tài)動(dòng)詞被動(dòng)語態(tài)的練習(xí)1.選詞填空。Tomakeourcitymorebeautiful,rubbish______intothewater.(mustn'tbethrown/mustn'tthrow)2.按要求改寫句子。Everyonecanhearthewonderfulspeechinthehall.（改為被動(dòng)語態(tài)）Thewonderfulspeechcan____________byeveryoneinthehall.4.按要求改寫句子。Peopleshouldtakegoodcareoftheagedeverywhere.（改為被動(dòng)語態(tài)）Theagedshould____________goodcare______everywhere.3.按要求改寫句子。Weoughttokeeptheroomclean.（改為被動(dòng)語態(tài)）Theroom__________________keptclean.mustn'tbethrownbeheardoughttobebetakenof情態(tài)動(dòng)詞表義務(wù)（must/mustn’t/should/shouldn’t/oughtto/oughtnotto)Allpassengersmustwearseatbelts.所有乘客必須系安全帶。1.must可表義務(wù)，常表示“必須”。-Mustwewearseatbelts?我們必須系安全帶嗎？-Yes,youmust.是的，必須。-No,youneedn't./No,youdon'thaveto.不，不必。2.關(guān)于must的簡短回答：否定回答時(shí)不用mustn't。而needn’t/don’thavetoWemustn'tbuyfurproducts.我們不應(yīng)當(dāng)購買皮草制品。3.mustn't也可表義務(wù)，表示“禁止”，也可意譯為“不應(yīng)當(dāng)；不許”。情態(tài)動(dòng)詞表義務(wù)（must/mustn’t/should/shouldn’t/oughtto/oughtnotto)

Youshould/oughttoapologizetohim.Youshouldnot(=shouldn’t)driveafterdrinking.Yououghtnottodriveafterdrinking.should為情態(tài)動(dòng)詞，意為“應(yīng)該；應(yīng)當(dāng)”，后接動(dòng)詞原形，無人稱和數(shù)的變化，?？膳coughtto互換。可用于表達(dá)義務(wù)或責(zé)任，否定形式shouldn't（shouldnot），?？膳coughtn'tto（oughtnotto）互換，意為“不應(yīng)當(dāng)；不應(yīng)該”。情態(tài)動(dòng)詞表義務(wù)（must/mustn’t/should/shouldn’t/oughtto/oughtnotto)

1.選擇適當(dāng)?shù)膯卧~填空。We______

driveafterdrinkingwine.(must/mustn't)mustn't2.選詞填空。They______

treattheirmotherinthisdisrespectful(不尊重的)way.(should/shouldn't)shouldn't3.根據(jù)句子意思填入恰當(dāng)?shù)那閼B(tài)動(dòng)詞。Bylaw,seatbelts______

bewornbyallpassengers.must/should4.根據(jù)中文意思補(bǔ)全句子。你的穿著應(yīng)該整潔漂亮，而且必須非常合身。Whatyouwear______

bestylishandclean,and______

definitelyfitwell.shouldmust表達(dá)同意和不同意的?？键c(diǎn)ShallwegotoLondonforthesummerhoilday?

.It’soneofthemostbeautifulcities.A.SoundsgreatB.Idon’tlikeitC.YouarekiddingD.You’rewelcomeA表達(dá)個(gè)人觀點(diǎn)，我們可以用以下句式或短語：1.I(don’t)think/suppose/believe/hope...2.inmyopinion/mind/view3.Personally,Ithink…表達(dá)贊同:表達(dá)同意和不同意的?？键c(diǎn)

I’dliketoinviteyoutomybirthdaypartytonight,MrLee.

.A.Ohno,Let’snot.B.I’mverysorry,butIhaveotherplans.C.I’dratherstayathome.D.Ohno,That’llbetoomuchtroubleB表達(dá)不贊同:表達(dá)同意和不同意的?？键c(diǎn)

1.翻譯句子。-Jane，你今天下午能和我一起去游泳嗎？-是的，我很樂意去，但是我得先做家務(wù)。-Couldyougoswimmingwithmethisafternoon,Jane?-Yes,__________________,butIhavetodothehouseworkfirst.I’dlike/loveto2.完成句子。-Smith教授的課非常有意思。-我非常同意。-Prof.Smith'slectureisreallyinteresti