2023學(xué)年完整公開課版Unit5Whataretheshirtsmadeof教學(xué)

Unit5

Whataretheshirtsmadeof?天聞數(shù)媒Grammar被動語態(tài)（一）語態(tài)：英語的語態(tài)是通過動詞形式的變化表現(xiàn)出來的。英語中有兩種語態(tài)：主動語態(tài)和被動語態(tài)。主動語態(tài)表示主語是動作的執(zhí)行者。例如：ManypeoplespeakChinese.謂語：speak的動作是由主語manypeople來執(zhí)行的。被動語態(tài)表示主語是動作的承受者，即行為動作的對象。例如：Chineseisspokenbymanypeople.主語English是動詞speak的承受者。天聞數(shù)媒（二）被動語態(tài)的構(gòu)成被動語態(tài)由“助動詞be＋及物動詞的過去分詞”構(gòu)成。人稱、數(shù)和時態(tài)的變化是通過be的變化表現(xiàn)出來的?，F(xiàn)以speak為例說明被動語態(tài)在各種時態(tài)中的構(gòu)成。一般現(xiàn)在時：am／is／are＋spoken一般過去時：was／were＋spoken一般將來時：will／shallbe＋spoken現(xiàn)在進(jìn)行時：am／is／arebeing＋spoken過去進(jìn)行時：was/werebeing＋spoken現(xiàn)在完成時：have／hasbeen＋spoken過去完成時：hadbeen+spoken天聞數(shù)媒（三）被動語態(tài)的用法（1）不知道或沒有必要說明動作的執(zhí)行者是誰。例如：Somenewcomputerswerestolenlastnight.一些新電腦在昨晚被盜了。（不知道是誰偷的）Thisbridgewasfoundedin1981.這座橋竣工于1981年。（2）強(qiáng)調(diào)動作的承受者，而不強(qiáng)調(diào)動作的執(zhí)行者。例如：TheglasswasbrokenbyMike.玻璃杯是邁克打破的。Thisbookwaswrittenbyhim.這本書是他寫的。Yourhomeworkmustbefinishedontime.你們的家庭作業(yè)必須及時完成。天聞數(shù)媒(四)主動語態(tài)變被動語態(tài)的方法（1）把主動語態(tài)的賓語變?yōu)楸粍诱Z態(tài)的主語。（2）把謂語變成被動結(jié)構(gòu)（be＋過去分詞）（根據(jù)被動語態(tài)句子里的主語的人稱和數(shù)，以及原來主動語態(tài)句子中動詞的時態(tài)來決定be的形式）。（3）把主動語態(tài)中的主語放在介詞by之后作賓語，將主格改為賓格。例如：Allthepeoplelaughedathim.→Hewaslaughedatbyallpeople.Theymakethebikesinthefactory.→Thebikesaremadebytheminthefactory.Hecutdownatree.→Atreewascutdownbyhim.天聞數(shù)媒（五）含有情態(tài)動詞的被動語態(tài)含有情態(tài)動詞的主動句變成被動句時，由“情態(tài)動詞＋be＋過去分詞”構(gòu)成Wecanrepairthiswatchintwodays.→Thiswatchcanberepairedintwodays.Theyshoulddoitatonce.→Itshouldbedoneatonce.天聞數(shù)媒用所給動詞的正確形式填空.

1.English________(speak)inmanycountries.

2.Informationinshort-termmemory________(can,not,keep)verylong.

3.Afterthat,oneofthelights_______(turnoff)andtherathadtowaitforashorttime.

4.Justafewyearsago,tomatoes_______(believe)tohavemagicalpowers,makingpeoplewhoatethemfallinlove.

5.Itissaidnewcopiesofthebook_______(print)now.

6.Theoldhouse_______(pull)downnextmonth.

7.Intheolddays,thechildren_______(takecareof)bythemotherbecauseshedidnotworkoutsidethehouse.

8.Needlesstosay,thesecondlistofwords___(can,remember)moreeasilythanthefirstone.

9.She_______(send)toanothervillagewhenIgotthere.

10.Theteachersaidthatwe_________(give)anotherchancesometimenextmonthifwefailedintheexam.

Exercises:天聞數(shù)媒Thekeys:isspoken2.cannotbekept3.wasturnedoff4.werebelieved5.arebeingprinted6.willbepulled7.weretakencareof8.canberemembered9.hadbeensen