本单元by+v.-ing结构是一个重点，该结构意义是“通过……，凭（以）……”，后面常接v.-ing形式，“”表示通过某种方式得到某种结果。e.g.通过看英文电影，我的英语提高了。MyEnglishhasimprovedbywatchingEnglishmovies.介词by+v.-ing结构常用来回答Howdoyou…？或者Howcan…？之类的问题，—HowcanIturnontheTV?我怎么开电视？—Bypressingthisbutton.按这个键。语法焦点语法焦点一、介词by用法小结一、介词by用法小结1.动名词作主语。Gettingupearlyisgoodforyourhealth.此时可以用it作形式主语，而把真正的主语后置。如上句可换为：It’sgoodforyourhealthtogetupearly.2.动名词作宾语。此时它一般放在某一及物动词或介词之后充当该动词或介词的宾语。①后跟动名词作宾语的及物动词常有：finish,enjoy,keep,mind,practice,stand,suggest,consider等。语法焦点语法焦点二、动名词用法小结二、动名词用法小结e.g.她已写完了作文。Shehasfinishedwritinghercomposition.②作介词的宾语，包括以介词结尾的动词短语，如：giveup,takepartin,begoodat等。e.g.我知道你擅长画画。Iknowyouaregoodatdrawingpictures.语法焦点语法焦点二、动名词用法小结二、动名词用法小结1.Doyouoftenmemorizenewwordsby_______(make)wordcards?2.Ithink________(watch)English-languagevideosisveryhelpfulforyoutolearnEnglish.3.Canyoufinish_____(do)yourhomeworkbeforenineo’clock?4.Don’tworryabout_______(make)mistakeswhenyoutalktoforeignersinEnglish.5.Doyouenjoy________(listen)tocassettes?6.Wouldyoumind_______(stay)hereuntilyousolvetheproblem?7.______(be)patientisnecessaryforourstudy.8.Thedoctortoldmyfathertogiveup________(smoke).用所给词的适当形式填空。making强化训练强化训练watchingdoingmakinglisteningstayingBeingsmoking写作指导写作指导分享英语学习的经验与方法是书面表达的一个重要内容。在写此类提建议短文时，最重要的是将你所提的建议罗列清楚，掌握几个常用的句型，必要时可列一个提纲，正确运用过渡词展开写作。常用句型归纳如下：1.Therearesomegoodwaysto…2.Ithinkyoushould…3.Itisalsoagoodideato…because…4.YoucouldtrytoimproveyourEnglishby…5.Thiswillhelpyouto…6.Nevergiveupandkeeptrying.You’llmakeprogress.写作示例写作示例假如你是李雷,收到了一封玲玲的来信,信中她说她的英语很差，不知道怎样提高,希望你给予帮助。请用英语写一封回信,信的开头已给出。80词左右。经典示范经典示范DearLingling,Iheardfromyouyesterday.IknewyourEnglishisbad.Infact,Englishisnotasdifficultasyouthink.Herearesomegoodwaysforyou.Firstly,youshouldgeteverythingreadybeforeclassanddon’tbeshytospeakEnglishinclassoroutofclass.Secondly,listencarefullyandmakenoteswhenyou'reinclass.Itcanhelpyouunderstandthelessonbetter.Thirdly,revisethelessonaftertheclass.Don’tworrytoomuchaboutit.Last,Keeptryingandyou’llsoonlearnitbetter.Yours,LiLei
