Worriedaboutthejourney,Iwasunsettledforthefirstfewdays.
Well-knownfortheirexpertise,hisparents’company…..
Confusedbythenewsurroundings,Iwashitbythelackoffreshair.
Exhausted,Islidintothebedandfellfastasleep.
过去分词作状语：过去分词作状语时，说明动作发生的背景或情况，其等同于一个状语从句。vt过去分词作状语时与主句主语构成被动关系，表示被动和完成，vi过去分词表示状态或动作的完成。
Heated,waterchangesintosteam.
Theprofessorcamein,followedbyagroupofyoungpeople.
1作原因状语，等于as/since/because引导从句
Movedbywhatshesaid,wecouldn’thelpcrying.=(Aswearemovedbywhatshesaid…
2作时间状语，等于when引导时间从句，如果分词表示的动作与谓语的动作同时发生，可在分词前加when/while/until等使时间意义更明确。
Whenheated,watercanbechangedintosteam.
Seenfromthehill,theparklooksverybeautiful.=(Whentheparkisseenfromthehill…
3作条件状语等于if/whether引导从句
Givenmoreattention,thecabbagescouldhavegrownbetter.=(Iftheyhavebeengivenmoreattention….
Comparedwithyou,westillhavealongwaytogo=(Ifwearecomparedwithyou…
4作方式或伴随状语
Theactresscamein,followedbyherfans.
Shesatbythewindow,lostinthought.
5作让步状语
Muchtired,hestillkeptonworking.=(Althoughhewastired,)he….
6独立主格结构：当分词的逻辑主语不是主句主语时，分词可以有自己独立的逻辑主语，这种结构称为独立主格结构。常用来表示伴随情况。
Theboyrushedintotheclassroom,hisfacecoveredwithsweat.
Allthingsconsidered,yourarticleisofgreatvaluethanhers.
Rewritewithproperconjunctions
Example:Unitedwestand,dividedwefall.
Ifweareunited,wewillstand,butifwearedivided,wewillfall.
1Askedwhathadhappened,hetoldusaboutit.
→Whenhewasaskedwhathadhappened,…
2Wellknownforhisexpertadvice,hereceivedmanyinvitationstogivelectures.
→Becausehewaswellknownforhisexpertadvice,…
3Givenmoretime,wewouldbeabletodotheworkmuchbetter.
Ifweweregivenmoretime,
4OncetranslatedintoChinese,thebookbecameverypopularamongChineseteenagers.
OnceitwastranslatedintoChinese,
5Deeplyinterestedinmedicine,shedecidedtobecomeadoctor.
Becauseshewasdeeplyinterestedinmedicine,
6Leftaloneathome,Samdidnotfeelafraidatall.
Althoughhewasleftaloneathome,
现在分词与过去分词作状语
现在分词作状语时，与其逻辑主语之间是主动关系，;而过去分词与其逻辑主语之间则表示被动关系。
Seeingthesepictures,Icouldn’thelpthinkingofthosedayswhenIwasinBeijing.Seenfromthetopofathirty-storeyedbuilding,Beijinglooksmoremagnificent.(see)
选择现在分词还是过去分词，关键看主句的主语。如分词的动作是主句的主语发出，分词就选用现在分词，反之就用过去分词。例如：
Usedforalongtime,thebooklooksold.
由于用了很长时间，这本书看上去很旧。
Usingthebook,Ifindituseful.
在使用的过程中，我发现这本书很有用
注意:1.系表示主语所处的状态
_____inthought,healmostranintothecarinfrontofhim.(lose)
______inwhite,shelooksmorebeautiful.(dress)
belostin
bedressedin
beinterestedin
bedevotedto
besupposedto?becaughtintherain
beseatedin
bepreparedfor
bedeterminedto
2.不与主语保持一致的固定结构
generallyspeaking一般说来
strictly/franklyspeaking严格地说/坦白地说
judgingfrom从…判断
allthingsconsidered从整体来看
takingallthingsintoconsideration全面看来
例如：Judgingfromhisface,hemustbeill.从他的脸色看，他一定是病了。
Generallyspeaking,dogscanrunfasterthanpigs.
总的来说，狗比猪跑得快。(speaking不是dogs的动作)
Practice
1.CompleteeachsentencesusingtheP.P.oftherightverb.
buildfrightentrapfollowshootseeexamine
1________bynoisesinthenight,thegirlnolongerdaredtosleepinherroom.
2Theladyreturnedhome,________bytwopolicemen.
3Afterhavingbeen_________carefully,theroomwaslockedagain.
4.______in1949,theexhibitionhallisover50yearsold.
5_____fromadistance,theOperaHouselookslikeshipsails.
6If_____inaburningbuilding,youshouldsendforhelp.
7Although______intheleg,hecontinuedfiringatthepolice.
练习
1____time,hewillmakeafirst-classtennisplayer.
AHavinggivenBTogiveCGivingDGiven
2___in1636,HarvardisoneofthemostfamousuniversitiesintheUnitedStates.
ABeingfoundedBItwasfounded
CFoundedDFounding
3Unless__tospeak,youshouldremainsilentattheconference.
AinvitedBinviting
CbeinginvitedDhavinginvited
4___,buthestillcouldn’tunderstandit.
AHehadbeentoldmanytimes
BHavingbeentoldmanytimes
CToldmanytimes
DAlthoughhehadbeentoldmanytimes
5Whenfirst___tothemarket,theseproductsenjoyedgreatsuccess.
AintroducingBintroduced
CintroduceDbeingintroduced
6Thereseemedtobenothing___todobut___forthedoctor.
Aleave/sendBleft/tosend
Cleft/sendDleaving/send
作介词but,expect,besides的宾语，前面又有实意动词do时，不定式通常省去to
7____everywhere,thewolveshadnowhere___themselves.
AHunting/hidingBTohunt/tohide
CHunted/hidingDHunted/tohide
8.The___morning,thefathercameintothelonelyhouse,___byhisnaughtyboy.
A.following,followingB.followed,followed
C.following,followedD.followed,following
9.Mrs.Whitewasgladtoseethenurse___afterhersonandwaspleasedtoseetheboywell___careofinthenursery.
A.looked;takenB.looking;taken
C.looked;tookD.looking;taking
10.Themurdererwasbroughtin,withhishands___behindhisback.
A.beingtiedB.havingtied
C.tobetiedD.tied
11.___moreattention,thetreescouldhavegrownbetter.
A.GivenB.Togive
C.GivingD.Havinggiven
