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1、Grammar——分词作状语教学目标：1.明确分词在句子中作状语的各种形式、识别分词作状语的类别。2. 正确使用分词作状语。教学重点：“分词作状语”中的高考重难点。教学难点：掌握分词作状语这类句式，并学会造句。Step1.Warming-up1.Reviewthe-ingformasthesubject,object,predicative,attributeandobjectcomplementbyrecitingsomesentences.2.Whenshouldweusenon-finiteverbs?比较：Shegotoffthebus but ________(leave)herha
2、ndbagonherseat.Shegotoffthebus, __________ (leave)herhandbagonherseat.Summary:Step2.分词作状语的基本要点：1.分词作状语形式的选择完成下面句子：①______momentitsawthecat,themouseranoff._________________,themouseranoff.②Ifitisusedwithcare,onetinwilllastforsixweeks._________withcare,onetinwilllastforsixweeks.(BJ2012)③Becauseitwasbe
3、ingpainted,herhouselookedinamess._________________,herhouselookedinamess.④Afterhewaitedinthequeueforhalfanhour,theoldmansuddenlyrealizedhehadleftthechequeinthecar._________________inthequeueforhalfanhour,theoldmansuddenlyrealizedhehadleftthechequeinthecar.(FJ08)⑤Althoughhehadbeentoldmanytimes,hestil
4、lmadethesamemistake.______________________________,hestillmadethesamemistake.Summary:形式意义doing与句子主语构成______关系，与句中谓语动词_______发生havingdone与句子主语构成______关系，______句中谓语动词发生done与句子主语构成______关系beingdone与句子主语构成______关系，且与谓语动词______发生，一般作原因状语置于句首havingbeendone与句子主语构成______关系，且______句中谓语动词发生2.分词作状语的用法：分词或分词短语作
5、状语时一般要用逗号同其他成分隔开，可以作时间、原因、方式、结果、条件、让步、伴随等状语。为了强调，非谓语动词可以和表示时间、条件、方式、让步等的从属连词when,while,until,once,aslongas,solongas,unless,if,evenif,eventhough,though,althoughasif,asthough等连用。3(1)表示_______，常用于连词when,while,until等之后。①Hewentthroughthepaperswhile________________.（吃早饭）②When_________(offer)help,oneoftens
6、ays“Thankyou”or“It’skindofyou”.(FJ05)(2)相当于because,since,as引导的________状语从句。①Becausehedidn’tunderstandthis,heaskedtheteacheraboutit._________________________,heaskedtheteacheraboutit.②___________(defeat)byhisdeskmate,hefeltdiscouraged.(3)相当于if,unless等引导的_________状语从句。①__________(base)animportantdecis
7、ionmoreonemotionthanonreason,youwillregretitsoonerorlater.(2012JS)②________(give)moretime,Icanfinishthework.(4)相当于though,although,evenif等引导的_______状语从句。①Thoughhewaswarnedofthedanger,hestillwentskating
