新概念第二册第44课ppt课件

.,Lesson44Throughtheforest,.,.,.,Discuss,Doyouhaveaschooltrip?Ifyougetachance,whatplacewillyouchooseforthecomingtrip?Whichplaceisthesafest,aforest,amountain,apark,orasea?,.,Enjoythestoryandfindouttheanswer,WhatwasMrs.Anndoingintheforest?Whathappenedtoher?Whatdoyouthinkofher?,.,【Newwordsandexpressions】,n.forestn.riskn.picnicn.edgen.strapn.possessionn.breathv.mendn.contents,1.森林2.危险，冒险3.野餐4.边缘5.带，皮带6.所有7.n.呼吸8.修理9.(常用复数）内有的物品,.,riskn.危险，冒险n.危险，风险,.,.,.,.,breathn.呼吸1)上气不接下气outofbreath2)白费口舌wasteonesbreath3)屏住呼吸holdonesbreath4)口臭badbreath5)saveonesbreath省省力气6)takeadeepbreathbreathevbreathein/breatheout,.,edgen.,attheedgeof.在.的边缘Itisdangeroustostandattheedgeofthecliff.forestintheforest/inthewoods在森林里,.,.,inthepossessionof=ownHeisinthepossessionofabeautifulcar.inonespossession=inthepossessionofsb.Thecarisinthepossionofhim.,.,.,contentsn.(常用复数)内有的物品contentsofthebag包里的东西,.,.,Mrs.AnneSterlingdidnotthinkoftheriskshewastakingwhensheranthroughaforestaftertwomen.,安斯特林夫人在,.,.,.,.,godown接着往前走,不用回头upto可以表示地点、时间等“一直到”,.,.,.,.,.,.,.,.,.,.,.,.,Repeat:WhatdidMrs.AnneSterlingdo?,Twomenhadrusheduptoherwhileshewas_atehedgeofaforestwithherchildren.She_aforestaftertwomen.Inthe_,thestrap_andMrs.Sterling_soangrythatshe_them.Shewassoon_,butshe_torun.Whenshe_them,she_thattwomenhadsatdownandweregoingthroughthecontentsofthebag,soshe_them.,havingapicnic,ranthrough,struggle,broke,got,ranafter,outofbreath,continued,caughtupwith,saw,ranstraightat,.,非谓语动词,.,动名词,基本形式,特点,动词原形+ing,1、具有名词、动词的一些特征。,2、有时态和语态的变化,.,动名词,用法,1、作主语,Pickingapplesismuchbetterthanhavingclasses.,2、作宾语,（1）只能接动名词做宾语的动词有miss,finish,mind,keep,practice,enjoy,等。,.,动名词,（2）既可接动词不定式又可接动名词作宾语的动词有两类：,.,动名词,3、作表语,Hisfavoritesportisplayingbasketball.,4、作定语,shoppingbasketballfinishingline,.,注意两点,1、动名词的复合结构为：,名词所有格,形容词性物主代词,+动名词,c,.,2、动名词的习惯用语：,a.Itsnousedoingsth.,b.canthelpdoingsth.,c.feellikedoingsth.,d.bebusydoingsth.,e.Nodoing,.,.,.,.,.,4、在love，like，prefer等动词后，用不定式和动名词意义有所区别。hate,love,like+doingsth.表示一种习惯(always)hate,love,like+todosth.表示某一次性的行为(now)wouldlove/liketodosth.表示想要,习惯于在前面加would餐厅服务员习惯会问:“Wouldyouliketo?”，而不会用“Doyoulike?”，他只关心你现在想吃什么,而不管你平常吃什么。Ihatetodosth.不喜欢IhatetosayIhavenomoney,butIreallyneedsome.说明这个人要向你借钱了IhatetosaybutIreallyhavesomethingimportanttodo.,.,你想拒绝别人的邀请时可用的句型preferto结构中只能用动名词Whydontyoudrivetoworkinsteadofwalking?Ipreferwalkingtodriving.5、在need，want之后，动名词形式具有被动的含义，相当于被动的不定式：如果以物体做主语，可以直接加动词-ing，表达被动的含义Myshirtistorn.Itneedsmending.我的衬衫撕破了,需要缝补.Thosewindowsaredirty.Theywantwashing.那些窗户很脏,需要洗刷,.,【SpecialDifficulties】catchandruncatch主要意思是“抓住、捉住、逮住”，但有时可以表示“（及时）赶上、追上”等：Heranquicklytocatchthelastbushome.Whenshecaughtupwiththem,shesawthattheyweregoingthroughthecontentsofthebag.run的本意是“跑”，后面加上不同的小品词可以表达“追赶，逃跑”等多种含义：Shehasrunoffwithallhismoney.Themanranawaywithherbag.,.,动名词1、动名词可以做主语、宾语、介词宾语等Washingthecarmademetired.（主语）Beforeleavingtheoffice,hegavemeabook.（宾语）Iamverykeenoncycling.（介宾）2、动名词还可以用于“动词+介词”之后Iamusedtogettingupearly.我习惯早起.比较：IusedtogetupearlybutIdontanymore.我过去常早起,但现在不再早起了。,.,.,Keystructures,Thinkof,thinkabout,thinkovertake/runarisk(ofdoingsth.)/insth.gothroughaforest/city/field/park/thewindow;goacrosstheroad/bridgerunafter/runstraightat/runaway;rush=runquicklyuptoattheedgeofstealsth.fromsb./thief;robsb