九年级unit1SectionA第四课时.ppt

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1、Unit1SectionAGrammarFocusHowdoyoulearnEnglish?Ilearnbystudyingwithagroup.DoyoulearnEnglishbyreadingaloud?Yes,Ido.Ithelpsmypronunciation.HowcanIreadfaster?Youcanreadfasterbyreadingwordgroups.HowcanIimprovemypronunciation?OnewayisbylisteningtotapesGramm

2、arFocus“by+动名词”常常表示手段、方式或方法，可以用来回答how引导的特殊疑问句。---HowdoyoulearnEnglish?---IlearnEnglishbywatchingEnglishmovies.DoyoulearnEnglishbywatchingvideos?Trytoguessaword’smeaningbyreadingthesentencesbeforeandafterit.Youcanbecomebetterbyreadingsomethingyouenjoye

3、veryday.LinLinoftenpracticesEnglish_______chattingwithherAmericanfriends.A.inB.byC.forD.with经典范例【解析】选B。句意：林林经常通过和美国朋友聊天练习英语。我通过向老师求助学习。Istudybyaskingtheteacherforhelp.WelearnEnglishby_________(make)vocabularylists．making4aMatchthequestionsandanswers.H

4、owdoyoupracticespeaking?BywatchingEnglishprograms.Howdoyoulearnnewwords?Howdoyouimproveyourwriting?Howdoyouimproveyourpronunciation?Howdoyoupracticelistening?Howdoyoulearngrammar?Bylisteningtoatapeandrepeatingoutloud.Byhavingconversationswithfriends.B

5、ytakingnotes,doingexercisesandreadingalot.Bymakingwordcards.Bywritinge-mailstomypenpals.a.IliketopracticemyEnglishbytakingnotes/readingbooksandnewspapers/speakingEnglishwithmyclassmates/memorizingsentencepatterns.b.Iliketolearnmathby_____________c.Ili

6、ketopracticemyphysicsby________.d.Iliketoimprovemychemistryby________.e.IliketopracticemyChineseby________.f.Iliketoimprovemyhistoryandgeographyby________4bCompletethesestatements.Useinformationthatistrueforyou.by的用法介词,表示“通过……方法或途径的意思”,译成“靠,通过”,后面可加名词

7、、名词短语或动名词。可用来回答how引导的特殊疑问句。1)Thehousewasdestroyedbyfire.房屋被火烧毁了。2)travelbyair/land/sea航空（陆路，航海）旅行3)gobytrain/boat/bus乘火车（船，公共汽车）4)shakesb.bythehand和某人握手5)IstudyEnglishbywatchingEnglishmovies.我通过看英文电影学英语。另外,by作为介词的意义有很多,例如:1）在……旁边，靠近Thereisapowerstatio

8、nbytheriver.河边有一个电厂。2）沿着，经由toenterbythedoor由门进去3）由于bymistake由于差错；错误地4）被，由somearticleswrittenbyLuXun一些由鲁迅写的文章5）表示相（乘）除（以计算面积）aroom5mby4m一间长五米宽四米的房间6）逐一；连续onebyone一个接一个练习IstudyEnglish___________________________(通过读英文杂志)._________________________