动词的-ing形式作状语

动词的-ing形式作状语【观察】观察下列句子中动词的-ing形式作状语的用法，然后加以总结。1.Arrivingattheclassroom,thechildrenbegantodocleaning.2.Shedoesn’tfeellikeeatinganything,beingillforafewdays.3.Workinghard,youwillsucceedsoonerorlater.4.Weighingalmostonehundredkilos,thestonewasmovedbyhimalone.5.Thesongissungalloverthecountry,makingitverypopular.6.Travellingbycar,wevisitedmanyexcitingandbeautifulplaces.7.While/Whenreadingthebook,henoddedfromtimetotime.8.Makesuretoreadallchoicesbeforedecidingonthebestanswer.9.Afterfinishingreadingtheletter,hewentontowriteareply.10.On/Uponhearingtheirteacher’svoice,thepupilsstoppedtalkingatonce.11.Thecarwascaughtinatrafficjam,thuscausingthedelay.12.Though/Althoughrainingheavily,itclearedupverysoon.13.Ihaveacceptedthis,notwantingtodisappointthem.14.Generallyspeaking,peopleliketohearcomplimentsfromothers.【总结】Ⅰ.动词的-ing形式作状语的用法动词的-ing形式作状语，通常表示主语正在进行的另一动作，用来对谓语动词表示的动作加以修饰或作为陪衬。它可表示时间、条件、原因、让步、结果、方式或伴随动作，相当于相应的状语从句。◆作时间状语，多置于句首，也可置于句末。（如例句1）◆作原因状语，多置于句首或句末，也可置于句中。（如例句2）◆作条件状语，多置于句首。（如例句3）◆作让步状语，多置于句首。（如例句4）◆作结果状语，多置于句末。（如例句5）◆作方式或伴随状语，多置于句末，也可置于句首。（如例句6）【区别】动词的-ing形式和动词不定式作结果状语：动词的-ing形式表示“正常出现的、自然而然的或意料之中的”结果。通常位于句末，其前有逗号隔开。有时为了强调，可在现在分词前加副词thus,therefore等。动词不定式表示意料之外的结果。尤其是和only连用。如：Sherantothestation,onlytofindthatthetrainhadleft.【特别提醒】为强调-ing形式所表达的意义，在-ing形式短语前可用连词、介词或副词。◆“when/while+-ing形式”强调-ing形式与谓语动词的动作同时发生。（如例句7）◆“before+-ing形式”强调-ing形式在谓语动词所表示的动作之后发生。（如例句8）◆“after+动词的-ing形式”强调-ing形式在谓语动词所表示的动作之前发生。（如例句9）◆“on/upon+-ing形式”表示“一（刚）……就……”。（如例句10）◆“thus+-ing形式”表示结果。（如例句11）◆“though/although+-ing形式”表示让步。（如例句12）Ⅱ.动词的-ing形式的否定形式动词的-ing形式的否定形式为“not+-ing形式”。（如例句13）【难点点拨】动词的-ing形式作状语应该注意的问题：◆现在分词作状语时，其逻辑主语必须与句子的主语一致，且为主动关系。◆独立成分作状语。常见的有：generallyspeaking一般地说；strictlyspeaking严格地说；franklyspeaking坦率地说；exactlyspeaking确切地说；judgingfrom/by由……判断出。（如例句14）语法巩固练习句型转换。(每空一词)1.Istoodbythedoor,anddidnotdaretosayaword.→Istoodbythedoor,tosayaword.2.IcouldnotbutlaughassoonasIsawsuchafunnysight.→Icouldnotbutlaughsuchafunnysight.3.Whilehewasworkinginthefactory,hewasanadvancedworker.→inthefactory,hewasanadvancedworker.→inthefactory,hewasanadvancedworker.4.BecauseIdidn’tknowhistelephonenumber,Icouldn’tringhim.→histelephonenumber,Icouldn’tringhim.5.Lookonthebrightsideofthings,andyouwilllivehappily.→onthebrightsideofthings,youwilllivehappily.→onthebrightsideofthings,youwilllivehappily.6.Beforeyouleavetheclassroom,pleaseturnoffthelights.→theclassroom,pleaseturnoffthelights.7.Heworkeddayandnight,andasaresultitmadehimselfnear-sighted.→Heworkeddayandnight,himselfnear-sighted.→Heworkeddayandnight,himselfnear-sighted.8.Thethreeyounggirlsstoodunderthetree,andtheylaughedandtalkedmerrily.→Thethreeyounggirlsstoodunderthetree,andmerrily.Keys:1.notdaring2.on/uponseeing3.Working;Whileworking4.Notknowing5.Ifyoulook;Looking6.Beforeleaving7.making;thusmaking8.laughing;talking