Unit6SectionAGrammarFocus4c課件人教版英語九年級全冊

Unit6Whenwasitinvented?SectionA(GF—4c)What’sthemostpopulardrinkintheworld?(afterwater)

Teawasfirstdrunkabout5,000yearsago.boilingdrinkingwatertealeavesteasetRetellthestory考考你Whenwasteafirstdrunk?Whowasteainventedby?

ShenNong

ItwasinventedbyaChineserulercalledShenNong．RetellthestoryHowwasitinvented?

boilingwateroveranopenfireproduceda

nicesmell

tastedthebrownwater

—tea

Itwasinvented

byaccident.

fellinto…and

remained…

Tom

breaks

thewindow.

（主動語態(tài)）①

②

③Thewindow

isbroken

byTom.（被動語態(tài)）③

②

①英語的謂語動詞有兩種語態(tài)主動語態(tài)被動語態(tài)（前者表示句子的主語為動作的發(fā)出者，后者表示句子的主語為動作的承受者。）

從以上對比可以看出，主動句中的主語Tom在被動句中變成了短語byTom，主動句中的賓語thewindow變成了被動句中的主語?？谠E：主變賓，賓變主，by短語后面跟，謂語動詞變被動，

be后過分來使用。構成助動詞be+及物動詞的過去分詞

be

+

vt.p.p.ManypeopleEnglishspeakEnglish.isspokenbymanypeople.當我們不知道誰是動作的執(zhí)行者，或者沒有必要指出誰是動作的執(zhí)行者時，或者只需強調動作的承受者時，要用被動語態(tài)。何時使用被動語態(tài)？被動語態(tài)：主語是動作的承受者.一般現(xiàn)在時：

am／is／are+

vt.p.p.

構成：be

+vt.p.p.一般過去時：

was／were

+vt.p.p.情態(tài)動詞：must

(can/could/may)+be

+vt.p.p.

構成：be

+vt.p.p.

shall/willbebegoingtobe一般將來時：+vt.p.p.現(xiàn)在進行時：

be(am/is/are)+being

+vt.p.p.mustplantThetreeThegroundbecoveredwithmustbe

planted

ontheground.willbe

covered

with

inafewyears’time.

trees

digTheearthThefoodeatupisbeingdug

now.hasbeen

eatenup

already.Oralpractice-主動句改被動句

Oralpractice--1.Changeeachsentenceintopassivevoice:Acar

knockedhimdownyesterday.Twodoctorsandtennursesmakeupthemedicalteam．WhenIgotthere,theywerecuttingupafallentree．Hewasknockeddownbyacaryesterday．Themedicalteamismadeupofbytwo…．Afallentreewasbeingcutup,whenIgotthere.4)We’llputontheplaynextSunday．5)Workersarebuildinganewteachingbuildinginourschool．

6)Theyhadcompletedtherailwaybytheendoflastyear．TheplaywillbeputonnextSunday．Anewteachingbuildingisbeingbuiltbyworkersinourschool．Therailwayhadbeencompletedbytheendoflastyear．2.Somebodystolemycamerafrommyhotelroom.Mycamerawasstolen(bysomebody)frommyhotelroom.3.Wheredidyoutakethesephotos?Wherewerethephotostaken(byyou)?4aRewritethesentencesusingthepassivevoice.4.Ourparentsadvisedusnottogooutalone.5.Differentwriterstranslatedthebookintodifferentlanguages.Wewereadvisednottogooutalone(byourparents).Thebookwastranslatedintodifferentlanguages(bydifferentwriters).1.You____________tothepartylastnight, weren’tyou?Whydidn’tyougo?2.Theearthquakehappenedallofasudden, butluckilythevillagers_____________to asafeplace.wereinvitedeat,like,invite,tell,lock,ring,break,bringwerebrought4bCompletethesentenceswithcorrectformsoftheverbsinthebox.句子主語you與invite之間存在被動關系。villagers與bring之間存在被動關系

n.地震adj.突然（的）

bebroughttosp.luck-lucky-luckily3.Thedoor___________whenwearrived,sowe______thebell.4.Thestudents___________nottoeator drinkinclass,butRuby______therulewhenshestartedeatingabiscuitinscience class.5.Thecookies__________bythehungrykidsinlessthan20minutes,andtheyreally_____ them.waslockedrangbrokeweretoldwereeatenlikedthedoor與lock之間為被動關系；而we與ring之間則為主動關系；其他各題相同。

n.餅干n.曲奇餅v.鎖上，鎖??；n.鎖；Thetelephone______________(invent)byAlexanderGrahamBell.He__________(born)in1847.Mr.Bell________(work)ontheinventionofthetelephonewithThomasWatson.wasbornwasinventedworkedDecidewhetheractiveorpassiveformsshouldbeusedinthesesentence.Writethecorrectformsintheblanks.4cthetelephone與invent之間存在被動關系；Mr.Bell與work之間是主動關系。In1875,Mr.Bell_________(learn)howtosendmusicalnotesthroughaninstrumentsimilartoatelephone.Finally,thetelephone_____________(invent)in1876.Thefirstsentencethat_________(say)onthetelephonebyMr.Bellwas“Mr.Watson,comehere;Iwanttoseeyou.”Todaythetelephone________(use)aroundtheworld.learnedwasinventedwassaidisusedMr.Bell與learn之間為主動關系。adj.音樂的n.器械；工具ExerciseⅠ.單項選擇

1.---TodayChineseisbecomingmoreandmorepopular.---It_______inmanyschoolsaroundtheworld.A.teachesB.isteachingC.hastaughtD.istaughtD2.We_______toclosethewindowsbeforeweleftthelab.A.tellB.toldC.aretoldD.weretold3.---

DidyouhearthatwaterinTaiLakesmeltterrible?---

Yes.Infact,it_______.That'sallbecauseofthepeopleandthefactoriesaround.A.pollutedB.waspollutedC.haspollutedD.willpolluteDB

用所給動詞的適當形式填空。

1.Thepizzawas______(make)byme.Wouldyouliketohavesome?2.TheGrea