【课件】Unit+2Grammar+过去分词复习课件人教版（2019）选择性必修第四册

Unit2IconicAttractionsPeriod4(Discoveringusefulstructures)过去分词用法复习1.Tolearnthefunctionofved.2.Totellthedifferencebetweenvedandving.3.Tolearnhowtoanalyzesentencestructures.Learningaims非谓语动词Leadintodovedving表将要或目的表被动或完成表主动和进行Whatisnon-finiteverb?一、作谓语的ved1.have/has/had+ved构成完成时2.be+ved构成被动语态(不能单独使用)Since2019,ourhaschangedagreatdeal.Whatyousaidwillberecordedandsenttothepolice.二、作非谓语的ved1.过去分词作定语(定表状补)Thelittlegirllikescollectingfallenmapleleaves.TheWestLakeisawell-knowntouristattraction.Thereisaconfusedlookonhisface.Thatbook(whichwas)writtenbyYuHuawasagreatsuccess.1.单个过去分词作定语放名词前，过去分词短语作定语放名词后，相当于一个定语从句。强调动作完成，不表被动相当于一个adj.Theproblemdiscussedyesterdayhassomethingtodowithus.Theproblembeingdiscussed

nowhassomethingtodowithus.Theproblemtobediscussedtomorrow

hassomethingtodowithus.3.ved作定语强调动作完成或没有时间性；beingved作定语强调动作正在被或同时发生；tobeved作定语强调动作还没有被做Thereisaconfusedlookonhisface.Theconfusingquestionsmakeusreallyconfused.2.ved形式的形容词作定语表示“...的”(人的感受)；ving形式的形容词作定语表示”令人...的”。2.过去分词作表语1.过去分词位于

后面作表语，用于说明主语情况。系动词He

became

pleased

withthestudents.Thelady

seemed

surprised

attheresults.Herheart

was

broken,becauseshelostherboyfriend.Herheart

was

brokenbyherboyfriend.表状态强调动作被动语态2.过去分词与现在分词作表语的区别1.Thebasketballgameisexciting.2.Iamexcitedaboutthebasketballgame.3.Itisexcitingtowatchthebasketballgame当主语是______或

时，用现在分词做表语,表示“令人……的”；当主语是_______时,用过去分词做表语，

表示“感到……的”。物人it1.Thespecies

(find)therewere

(amaze)2.Iwas

(stun)toseethe

(excite)expressiononherfacewhensheheardthe

(shock)news.3.Mikeseemed_______overthe

problem(puzzle).

4.

Theparty

(hold)

lastnightwasreallywonderful.

5.Thefilm__________(show)

tomorrowinterestsme.6.Hisbook__________(translate)

intomanyotherlanguagessinceitwaspublished.

amazingstunnedpuzzledheldtobeshownPracticefoundexcitedshockingpuzzlinghasbeentranslated1.Heated,waterchangesintosteam.2.Trappedbytheheavysnow,shecouldn’tgetthereontime.3.Offeredmoretime,wewouldbeabletofinishthetask.4.Praised

byherparents,shestilllackedconfidence.5.AndyLiuappearedattheairport,followedbymanyofhisfans.时间状语原因状语条件状语让步状语伴随状语1.过去分词作状语可表时间、原因、条件、让步、方式、伴随等,相当于一个状语从句。3.过去分词作状语1.Seenfromthetower,yourschoollookstiny.2.Seeingfromthetower,Ifoundyourschoollookstiny.3.Facinghighercosts,thecompanyistryingtosurvive.4.Facedwithhighercosts,thecompanyistryingtosurvive.被动主动2.分词短语的逻辑主语必须跟______的主语保持一致。如果主句的主语和分词是主动关系,用_________;主句的主语和分词是被动关系,用_________。现在分词过去分词主句3.有些过去分词（短语）源于系表结构，作状语时不表动作而表状态。bedressedinbelostin

沉浸在bedevotedto

致力于befaced

with

面对belocatedin

位于beburiedin

专心于becomparedwithbeseated

bepreparedforbedeterminedtodobetiredof

厌烦beabsorbedinbebornin…beoccupiedin

忙于…1.Facedwithsomanyproblems,themanagerwasstilloptimistic.2.Devotedto

education,Mr.Whiteleftallhissavingstoacharity.4.连词+分词作状语，构成省略句

(分词逻辑主语要与主句主语一致)

While

walkingonthestreet,hefoundhiswalletlost.Thoughinformedofthedanger,hestillwentswimmingintheriver.①Generallyspeaking,when

(take)accordingtothedirections,thedrughasnosideeffect.②Iwon’tattendhisbirthdaypartyunless

(invite).③When

(read)inthemorning,sheheardsomethinghorrible.takeninvitedreadingWefoundthemtrappedinthetrafficjam.Youshouldmakeyourselfunderstoodwhenyouaretalking.4.过去分词作宾补Thewomannoticedthedogtiedtothetree.IwantyourworkfinishedbeforetheSpringFestivalEve.1.,,,+宾语+ved作宾补,ved与宾语是

.感官动词使役动词意欲动词被动关系Withhisworkdone,hewenttothecinemawithhiswife.介词withIsawJimcome

intotheclassroom.Isawherlying

onthefloor.Isawhimtakenoutofthemarket.2.作宾补现在分词强调主动、进行过去分词强调被动(省to)不定式强调动作发生的全过程正在发生被…全过程WhenIcamein,Ifoundastrangegirlseatedinthecorner.Pleasegetyourselfdressedwellaftergettingup.Shefoundhernecklacegoneonherwayhome.3.动词seat,hide,dress等的过去分词作宾补,一般表状态而不表被动go,change,fall等的ved作宾补时,仅表示完成，不表被动。Practice1._________(see)fromthetopoftheTVtower,thecitylooksbeautiful.

(see)fromthetopoftheTVtower,Ifoundthecitybeautiful.2.Heonceheardthesong________(sing)inGerman.3.Pleasekeepus________(inform)ofthelatestdevelopments.4.________(give)anotherchance,hewoulddomuchbetter.5.WhenIwentintheclinic,Isawthepatient________(examine)bythedoctor.SeenSeeingsunginformedGivenexamined6.Ireceivedaletter________(ask)formoreinformationaboutourproducts.7.________(compare)withtheoldone,thenewhouselooksbrighter.8.Themobilephone_________(lie)onthedeskbelongstome.9.People________(live)inthesouthhavetheirhouse________(make)inbamboo.10.Theresultofthetestwasrather_________(disappoint).11.Abeggardiedofcold,_________(dress)innothing.Abeggardiedofcold,__________(wear)nothing.askingComparedlyinglivingmadedisappointingdressedwearing12.When

(wait)forthebus,hefoundhimself_______________(surround)bystrangers,13.Helookedso

(excite)becausethenewssounded

(excite).14.

(determine)tolearnart,hepracticepaintingdayandnight.15.Hejoinedthearmy,

(support)byhisfansandfamily.Hejoinedthearmyand