Unit 4 Stage and screen Using language 课件（共37张ppt）外研版（2019）高中英语必修第二册1.pptxVIP

SectionBp49现在分词作状语

Seeingthefountain,Icouldnthelpthinkingofmylastvisittothepark.1.现在分词的一般式--doing表示动作与谓语动词的动作同时或几乎同时发生。Havingreturnedfromalongbikeride,Iwastiredandbathedinsweat.2.现在分词的完成式--havingdone表示动作发生在谓语动词的动作之前。一、现在分词的基本形式

Nothavingreceivedthehelmetandboot,Itelephonedtheseller.3.现在分词的否定式--notdoing/havingdone表示动作与谓语动词的动作同时或几乎同时发生。Beingrepaired,thecarisntavailablenow.4.现在分词的被动式--beingdone/havingbeendone表示动作发生在谓语动词的动作之前。一、现在分词的基本形式Havingbeengivensuchagoodchance,howcouldsheletitslip?

Seeingtheoldphotos,Irememberedmychildhood.1.时间状语表示动作与谓语动词的动作同时或几乎同时发生。二、现在分词作状语的基本用法现在分词作状语可以表示时间、原因、条件、让步、结果、程度、方式或伴随等，且可以转换成相应的状语从句或并列句中的一个分句。=WhenIsawtheoldphotos,Irememberedmychildhood.Havingcollectedsomevolcanicsamples,theymadetheirwaybacktothecamp.=Whentheyhadcollectedsomevolcanicsamples,theymadetheirwaybacktothecamp.

2.原因状语现在分词作原因状语，一般位于句首，相当于as,since,because等引导的原因状语从句。二、现在分词作状语的基本用法Havingbeenthreatenedbyarobber,hedarednotgotothepolice.=Ashehadbeenthreatenedbyarobber,hedarednotgotothepolice.

3.条件状语现在分词作条件状语，一般位于句首，相当于if,unless等引导的条件状语从句。二、现在分词作状语的基本用法Keepingonworkinghard,youllabsolutelypasstheexamination.=Ifyoukeeponworkinghard,youllabsolutelypasstheexamination.

4.让步状语现在分词作让步状语，相当于though,evenif等引导的条件状语从句。二、现在分词作状语的基本用法Havingfailedmanytimes,Istillhavefaithinmyfuture.=ThoughIhavefailedmanytimes,Istillhavefaithinmyfuture.

5.结果状语现在分词作结果状语，表示必然的结果。它常常位于句末，可转换成and连接的并列成分。二、现在分词作状语的基本用法Itrainedheavily,causingseverefloodinginthatcountry.=Itrainedheavilyandcausedseverefloodinginthatcountry.

6.方式或伴随状语现在分词作方式或伴随状语，分词的动作和谓语动词的动作同时发生。表示方式或伴随的现在分词(短语)可转换成and连接的并列分句。二、现在分词作状语的基本用法Myfathersatinthearmchair,glancingthroughanewspaper.=Myfathersatinthearmchairandglancedthroughanewspaper.

现在分词作状语WhenIsawtheoldphotos,Irememberedmychildhood.=Seeingtheoldphotos