现在分词做状语讲课市公开课一等奖省赛课微课金奖PPT课件.pptx

第1页Theing-formusedasadverbial现在分词作状语第2页思维导图解读第3页现在分词形式（以go和write为例）种类及物动词（write）不及物动词主动语态（go）主动语态被动语态现在分词普通式完成式writingbeingwrittengoinghavingwrittenHavingbeenwrittenhavinggone意义：1.v-ing与句中主语为逻辑上主动关系，与句中谓语动词同时发生，或基本上同时发生2.having+v-ed与句中主语为逻辑上主动关系，先于谓语动词发生第4页一·做伴随状语：分词等于and连接两个动词或分句二·原因状语相当于as,since,because等引发原因状语从句，常位于句首，句中或句末。三·时间状语相当于when,while,as等引导时间状语从句，常位于句首或句末四·条件状语相当于if等引导条件状语从句，常位于句首五·让步状语相当于although,though,evenif,eventhough引发让步状语从句，常位于句首六·结果状语相当于sothat,so等引导结果状语从句，常位于句末第5页句法功效现在分词作状语学与练把划线部分改写成份词短语并说明其功效1.Whentheysawtheirteacher,thestudentsstoodup.Seeingtheirteacher,thestudentsstoodup.*现在分词短语作时间状语第6页2.Aftertheyhadfinishedtheirhomework,theywenthome.Havingfinishedtheirhomework,theywenthome.*现在分词短语作时间状语*Havingfinishedtheirhomework表现动作在wenthome(),故用分词().完成式之前第7页3.Becausehewasill,hecouldn’tgotoschool.4.IfyouworkharderatEnglish,youwillmakegreaterprogress.Beingill,hecouldn’tgotoschool.*现在分词短语作原因状语WorkingharderatEnglish,youwillmakegreaterprogress.*现在分词短语作条件状语第8页5.Althoughtheyfeltverytired，theykeptrunning.6.Thechildrencameintotheclassroom,andtheylaughedandtalked.(并列句)*Feelingverytired,theykeptrunning.现在分词短语作让步状语Thechildrencameintotheclassroom,laughingandtalking.*现在分词短语作伴随状语第9页现在分词语态时态否定逻辑主语独立主格惯用语从句转化第10页1语态看分词doinghavingdone主动语态donebeingdonehavingbeendone被动第11页Findingthedoorlocked,转化为分词作状语1.Whenhefoundthedoorlocked,hewenthome.2.(scold)byhismother,theboyhunghishead.Beingscolded第12页Seeing3.________(see)blackcloudscoveringthesky,hestoppedhisworkandwenthome.Havingbeenpraised4.(praise)forhisjob,Tomworkedharder.第13页2时态看分词1.doing或者beingdone同时或几乎同时发生2.Havingdone或者havingbeendone先于主句谓语动词之前发生1）当v-ing形式所表示动作发生在主句谓语动词动作之前时，应使用完成式：havingdone2）.当v-ing形式被动式动作发生在主句谓语动词动作之前时，被动式应使用完成式：havingbeendone注意第14页假如分词表示是一个极短暂动作,这动作一发生,谓语表示动作马上发生,也用分词普通形式.Hearingthenews,theyalljumpe