英语人教版九年级全册grammar focus ppt.ppt

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1、Unit1SectionAGrammarFocusReadthesesentencespayingattentiontotheunderlinedparts.Istudybyworkingwithagroup.DoyoulearnEnglishbywatchingvideos?Trytoguessaword’smeaningbyreadingthesentencesbeforeandafterit.Youcanbecomebetterbyreadingsomethingyouenjoyeveryday.“by+动名词”常常表示手段

2、、方式或方法，可以用来回答how引导的特殊疑问句。---HowdoyoulearnEnglish?---IlearnEnglishbywatchingEnglishmovies.Howdoyoupracticespeaking?Byhavingconversationswithfriends.Howdoyoulearnnewwords?Bymakingwordcards.Howdoyouimproveyourwriting?Bywritinge-mailstomypenpals.Howdoyoupracticelistening?

3、Bylisteningtoatapeandrepeatingoutloud.Howdoyouimproveyourpronunciation?BywatchingEnglishprograms.Howdoyoulearngrammar?Bytakingnotes,doingexercisesandreadingalot.Howdoyouimproveyourwriting?BywritingdiariesinEnglish.Howoftendoyouwriteadiary?Howdoyouimproveyourlistening?

4、BylisteningtoVOA.HowoftendoyoulistentoVOA?Howdoyoukeephealthy?Byexercising.Howoftendoyouexercise?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.WelearnEngli

5、shby_________(make)vocabularylists．making我们通过利用太阳的光和热使植物长地好。2.现在人们利用手机来进行交流。TranslatethesentencesintoEnglish.Wecanmakeplantsgrowwellbyusingthelightandheatfromthesun.Nowpeoplecommunicatewitheachotherbyusingcellphones.3.Lily通过少吃减肥吗？不，不是的。4.中国人通过植树来使环境越来越美丽。DoesLucylosew

6、eightbyeatingless?No,shedoesn't.Chinesepeoplemaketheenvironmentmoreandmorebeautifulbyplantingtrees.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、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

7、)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Thereisapowerstationbytheriver.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

8、6）逐一；连续onebyone一个接一个英汉互译IstudyEnglishbylisteningtotapes.(通过听录音带)bystudyingwithagroup.()bywatchingEnglishprogramsonTV.()bytak