必修五第三单元-过去分词用作状语课件

Unit3GrammarPastParticipleusedastheAdverbial（过去分词用作状语）七砂中学涂雅Step1LeadinDisappointedwithherboyfriend,shemadeuphermindtobreakup.disappointedwithherboyfriend=shewasdisappointedwithherboyfriend过去分词在句子中可以充当时间状语、条件状语、方式状语、伴随状语、让步状语、原因状语等。过去分词用作状语主句Step2观察&发现1.Worriedaboutthejourney,Iwasunsettledforthefirstfewdays.2.Givenbetterattention,thetreescouldgrowbetter.3.Hitbyalackoffreshair,myheadached.=BecauseIwashitbyalackoffreshair,myheadached.4.Istaredatthemovingmodelofthewastemachine,absorbedbyitsefficiency.=Istaredatthemovingmodelofthewastemachine,andwasabsorbedbyitsefficiency.5.

Whenofferedhelp,oneoftensays"Thankyou"or"it'skindofyou".（原因状语）（条件状语）（原因状语）（伴随状语）（时间状语）Step3用法1.作时间状语相当于时间状语从句。可在过去分词前加上连词“when,while,until”等，使其时间意义更明确。Seenfromthetopofthehill,thetownlooksmorebeautiful.=Whenitisseenfromthetopofthehill,thetownlooksmorebeautiful.2.作原因状语相当于原因状语从句或并列结构。Deeplymovedbythestory,thechildrenbegantocry.=Becausetheyweredeeplymovedbythestory,thechildrenbegantocry.3.作条件状语相当于条件状语从句，可以加连词if,unless等转换成条件状语从句。Givenmoretime,wecoulddoitmuchbetter.=Ifweweregivenmoretime,wecoulddoitmuchbetter.4.作让步状语相当于让步状语从句，有时可加although,though,evenif,eventhough,whether…or等连词转换成让步状语从句。Defeatedbyhisopponent,henevergaveupanyhope.=Althoughhewasdefeatedbyhisopponent,henevergaveupanyhope.5.作方式、伴随状语相当于and连接的并列结构Thepresidentofthecompanycametothefactory,followedbysomeworkers.=Thepresidentofthecompanycametothefactory,andhewasfollowedbysomeworkers.提示有些过去分词及短语因来源于系表结构，作状语时不强调被动，而重在描述主语的状态，如：lost（迷路），seated，hidden，lost/absorbedin,dressedin,tiredof等。Step4:过去分词作状语时在句子中的位置过去分词条件，原因及时间状语时，通常放在句首；作伴随状语、结果状语时，通常放在句末；作方式状语状语时，一般放在句末，有时也放在句首；作让步状语时，一般放在句首，有时也放在句末。Toldthathismotherwasill,liLeihurriedhomequickly.Theoldmanwalkedintotheroom,supportedbyhisson.当堂导练I创新大课堂Unit3SectionIII（即时训练I）Step5:过去分词与现在分词作状语的区别过去分词与句子的主语之间存在逻辑上的被动关系，现在分词与句子的主语之间存在逻辑上的主谓关系，即主动。Askedwhyhewaslate,hecried.Lookingoutofthewindow,Isawsomestudentsplayingthere.注意：无论是现在分词还是过去分词，其逻辑主语必须和句子的主语保持一致，如果不一致，则必须用状语从句、独立主格等结构表达。当堂导练II