【公开课】Unit+1Useful+Structures+被动语态课件人教版（2019）选择性必修第四册

Period3Reviewusefulstructures

ReviewthePassiveVioce

Unit1ScienceFiction1.ItwasgoingtobetestedoutbyLorry'swife,Claire.2....,butLarrypersuadedherthattherobotwouldn'tharmherorallowhertobeharmed.3.Nowshewasbeinglookedafterbyarobotthatlookedsohuman,anditwasdisturbing.4.Clairethoughtitwasridiculousthatshewasbeingofferedsympathybyarobot,...5.Ashewasnotallowedtoaccompanyhertotheshops,...6.Thesaleswomantherewasrudetoher,sosherangTonyandtoldhimshewasbeingtreatedbadly.7.Howawfultobediscoveredbyher,Clairethought.8.Tonyexpectedthatthehouse,whichwasbeing

completelytransformed,wouldbeready.

Spotthesimilaritiespassivevoice被动语态指出句中的主谓宾语。We

kept

foodinthefridge.We

mustclose

thewindowsandthedoor.SV.O.SV.O.Foodwaskept(byus)

inthefridge.Thewindowsandthedoormustbeclosed.在主动语态中强调的是执行动作的人或物，即主语是动作的执行者；而在被动语态中强调的是接受动作的人或物，即主语是动作的承受者。

Whatispassivevoice?Ashewasnotallowedtoaccompanyher...

shewasbeingofferedsympathybyarobot.

Arobotisofferingsympathytoher.1.不知道或没必要指出动作的执行者。2.强调动作的承受者。3.广播、广告、新闻、标题中。SatisfactionGuaranteed/Manwanted.

Whenshouldweusepassivevoice?Thestreetiscleaned(clean)bythedustmeneverymorning.

Thesebookwerewritten(write)in1969.Somepinetreeswillbeplanted(plant)intheparktomorrow.Anewbridgeisbeingbuilt(build)overtherivernow.Allthelettershavebeenposted(post)sofar.

2.一般过去时:1.一般现在时:am/is/are+done3.一般将来时:4.现在进行时:

Structuresofpassivevoice5.现在完成时:was/were+donewillbe+doneam/is/arebeing+donehave

/hasbeen+doneTheroadswerebeingwidened(widen)lastweekatthistime.Shehadsaidthatthebridgehadbeenwashed(wash)awaybytheflood.Thebabymustbelooked(look)afterwell.6.过去进行时:7.过去完成时:

8.含有情态动词:

Structuresofpassivevoice

was/werebeing+donehadbeen+done

must/can/may…+bedone

Structuresofpassivevoice

PracticeThestreetiscleanedbythedustmeneverymorning.Thesebookwerewrittenin1969.Somepinetreeswillbeplantedintheparktomorrow.Anewbridgeisbeingbuiltovertherivernow.Allthelettershavebeenposted.Theroadswerebeingwidenedlastweek.Shehadsaidthatthebridgehadbeenwashedawaybytheflood.Thebabymustbelookedafterwell.Thisroom

（belongto）me.Whenwillthesportsmeeting

（

takeplace）?1.不及物动词,不及物动词短语或系动词没有被动语态。常见的有：appear,disappear,breakout,cometrue,runout,dateback,happen,goon,takeplace,belongto,等。belongstotakeplace

特殊情况：Theymadehimgotherealone.Hewasmade

(go)therealone.2.make,see,hear,watch,notice等感官动词或使役动词：在主动语态里，作宾补的动词不定式不带to，但变为被动语态时，to要还原。togo

特殊情况：①Youradvice

(sound)practical.②Thefood

(taste)delicious.

tastessounds

特殊情况：3.连系动词(look,sound,smell,feel,taste,remain等)后接表语时，主动形式表被动意义Silkfeelssmooth.Thehouseneeds

（clean）

.Thehouseneeds

（clean

）.cleaningtobecleaned

特殊情况：4.当want,need,require等少数表示“需要”的动词后跟V-ing时，表被动；Thedoordoesn’tshut.

Theclothwasheswell.ThistypeofcarsellswellinChina.

5.当open,close,shut,lock,move,clean,cook,cut,wear,carry,write,read,sell,wash,measure等用作不及物动词且表示主语某种属性时；

特殊情况：

特殊情况：6.有些介词短语作表语,其主动形式含有被动意义,有时介词短语“be+in/on/under+名词”含被动意义，可用来代替现在进行时的被动语态。1.Thecomputerisinuse(=isbeingused)now.2.Thesehigh-techproductsareondisplay(=arebeingdisplayed)thesedays.3.Thehighwayisunderconstruction(=isbeingconstructed).4.Thesuggestionisunderdiscussion

(=isbeingdiscussed)atthemeeting.“get+done”构成被动语态用来表示状态或情况,常考的形式如：

getmarried结婚getengaged订婚

gethurt/wounded受伤getlost迷路

getdrunk喝醉了

getcaught/stuck/trapped被困getdressed穿好衣服

getrunover被(车)轧

特殊情况：在beworthdoing和betoblame结构中，动词-ing形式或动词不定式用主动形式表示被动意义。

Thematchiswellworthwatching.Whoistoblameforthemistake?ThepolicyispartlytoblameforcausingtheworstunemploymentinEurope.

特殊情况：Itissaidthat…Itisreportedthat…Itishopedthat…Itiswellknownthat…Itisbelievedthat…Itmustbepointedoutthat…固定句型中常用被动语态。1.Thefoodtas