《book6unit3语法修改》由会员分享，可在线阅读，更多相关《book6unit3语法修改（36页珍藏版）》请在金锄头文库上搜索。
1、1.quit; tough 6. of the alcoholic 2.accustomed to 7.strengthen3.ashamed of 8. pregnent4.breathless 9. disappointed5.desperate 10. decide onRevisionFind a word or phrase from the text that means the same as the underlined words in each sentence. Use the correct form and rewrite the sentence if necess
2、ary.1 Smoking _, drinking _ or taking other_ produce many harmful effects and have no real benefits. So why do _do it? Some begin because they believe it makes them look cool. Others think it will help with _. In their life possibly _ pressure from their parents or teachers.cigarettesalcoholdrugsado
3、lescentsstress due to2 Some may just want to experiment. What they do not realize is how easy it is to become _ smoking. In fact it is the _ addiction rather than the physical effects that makes it really hard to _ smoking. When an adolescent realizes how _he or she is becoming, it is too late. Sadl
4、y the _ symptoms can be quite severe for some people. Of course the best way to deal with these drugs is not to get into the habit in the first place.addicted tomental quitunfitwithdrawal 3GrammarThe use of “it”4The use of “it”一、一、用作人称代词用作人称代词,代表前面提到的人或事物代表前面提到的人或事物1)Whosit?_me.2)Lookatthepicture._i
5、sapicture3)ofourschool. ItsIt二、用于代替指示代词二、用于代替指示代词this和和that。-Isthisjacketyours?-Yes,_is.it5三、用以表示时间、距离、天气、气候、季节、环境三、用以表示时间、距离、天气、气候、季节、环境1)Itishalfpasteightnow.2)Itsonlyhalfanhourswalkfromhere3)toourschool.4)3)Ihopethatitwillbefinetomorrow.5)4)Ithasrainedmuchthisyear.6)5)Itsspringnow.7)6)Itsquiether
6、e.TimeDistanceWeatherWeatherSeasonCircumstance6替代作主语的从句、动词不定替代作主语的从句、动词不定式、动名词式、动名词,而把真正作主语而把真正作主语的从句、动词不定式、动名词的从句、动词不定式、动名词置于句尾。置于句尾。四、四、it用作形式主语用作形式主语71.代作主语的动词不定式代作主语的动词不定式1) It +be +adj. (for sb.) to do sth.此处此处adj. 通常为描述事件的形容词通常为描述事件的形容词: easy, difficult,hard, necessary, unnecessary, possible,
7、impossible, likely,unlikely, right, wrong, important, unimportant, legal, illegal, well-mannered（彬彬有礼的、气质高雅的（彬彬有礼的、气质高雅的,） ill-mannered（没规矩的粗鲁的）（没规矩的粗鲁的）, polite, impolite,clear, obvious, certain, suitable, proper, fit, useful，dangerousIt is illegal (for a teenager) to drive a car without a license.
8、82)It+be+adj.ofsb.todosth.此处此处adj.通常为描述人的形容词通常为描述人的形容词:kind,unkind,nice,rude,cruel,considerate,thoughtful,thoughtless,careful,careless,silly,foolish,stupid,clever,wise,crazy.Itskindofyoutohelpmewiththeproblem.9Itsnogood/usedoingIts(well)worthdoingIts(well)worthwhiledoing/todoe.g.Itsnousecryingoversp
9、iltmilk.3)It替代作主语的动名词的常见句型替代作主语的动名词的常见句型102.it作形式主语替代主语从句作形式主语替代主语从句Itisclear(obvious,true,possible,certain)that.该句型中该句型中it是形式主语是形式主语,真正的主语是真正的主语是that引导的主语从句引导的主语从句,常译为常译为“清楚清楚(显然显然,真的真的)”,是主语从句最常见的一种结构。是主语从句最常见的一种结构。e.g.Itisveryclearthathestalllikeatree.Itis+adj.+clause11Itissaid(reported/learned/b
10、elieved/thought/known/told/hoped.)that.该句型中的该句型中的it仍是形式主语仍是形式主语,真正主语是真正主语是that引导的主语从句引导的主语从句;该结构常译为该结构常译为“据说据说(据报道据报道,据悉据悉)”。ItissaidthathehascometoBeijing.Itisreportedthatanotherearthsatellitehasbeenputintoorbit.Itis+V.-ed+that=sb./sth.istodo12Itis+n.+从句从句Itisapity(ashame/anhonor/agoodthing/afact/a
11、surprise/.)that.该句型中该句型中,that后的从句一般用虚拟语气后的从句一般用虚拟语气(should+动词原形动词原形),should可省去。表示可省去。表示出乎意料出乎意料,常译为常译为“竟然竟然”。没有这种意义时。没有这种意义时,则不用虚拟语气。如：则不用虚拟语气。如：13Itisapitythatsuchathing(should)happeninyourclass.这种事竟然发生在你们班上这种事竟然发生在你们班上,真是遗憾！真是遗憾！Itisapitythatheisill.他生病了他生病了,真遗憾！真遗憾！14五、五、it作形式宾语作形式宾语当复合宾语中的宾语是不定式
12、、动名当复合宾语中的宾语是不定式、动名词词，宾语从句时，宾语从句时,往往把宾语放在它的往往把宾语放在它的补足语后面，而用补足语后面，而用it作形式宾语作形式宾语,放在放在宾语补足语之前。该句型中的宾语补足语之前。该句型中的it作形作形式宾语式宾语,常用的动词有常用的动词有think,believe,make,find,consider,feel等。等。 15Ithinkitnousearguingwithhim.我认为和他争吵没有用。我认为和他争吵没有用。IfounditveryinterestingtostudyEnglish.我发现学英语非常有趣。我发现学英语非常有趣。Hemadeitcl
13、earthathewasnotinterestedinthissubject.他非常清楚地表示他对那门学科不感兴趣。他非常清楚地表示他对那门学科不感兴趣。16六、用于强调句型中六、用于强调句型中It+be+被强调部分被强调部分+that/who(aperson)从句从句ImetTomintheparkyesterday.1)ItwasIwhometTomintheparkyesterday.2)ItwasTomwhoImetintheparkyesterday.3)ItwasintheparkthatImetTomyesterday.4)ItwasyesterdaythatImetTomint
14、hepark.Itwasfiveoclock_Igothome.Itwasatfiveoclock_Igothome. whenthat17Itisnotuntil+被强调部分被强调部分+that.该句型也是强调句型。主要用于强凋时间状语该句型也是强调句型。主要用于强凋时间状语,译成汉语译成汉语“直到直到才才”,可以说是可以说是not.until.的强调形式。如的强调形式。如:ItwasnotuntilshetookoffherdarkglassesthatIrealizedshewasafamousfilmstar.=NotuntilshetookoffherdarkglassesdidIr
15、ealizeshewasafamousfilmstar.=Ididntrealizeshewasafamousfilmstaruntilshetookoffherdarkglasses.181)Itwasnot_shetookoffherdarkglasses2)_Irealizedshewasafamousfilmstar.(92)3)A.when,thatB.until,when4)C.until,thatD.when,then5)2)Itwasnotuntil_that_toprepare6)hislessons.(91)7)A.didhisfathercomein,theboybega
16、n8)B.didhisfathercomein,didtheboybegin9)C.hisfathercamein,didtheboybegin10)D.hisfathercamein,theboybeganCD19强调句用以强调主语强调句用以强调主语,宾语宾语,介词宾语以及状语。介词宾语以及状语。(强调人时用强调人时用that和和who/whom皆可皆可)Itwasshewhothathadbeenwrong是她错了。是她错了。()ItwasthegirlwhomthatImetjustnow我刚才遇见的就是这个女孩。我刚才遇见的就是这个女孩。()ItwasTomtowhomtheteach
17、erhadtalked老师与其谈话的那个人是汤姆。老师与其谈话的那个人是汤姆。()ItwasonMondaynightthatallthishappened所有这一切就是在星期一的晚上发生的。所有这一切就是在星期一的晚上发生的。()主语主语宾语宾语介词宾语介词宾语状语状语20七、七、it常用的固定搭配常用的固定搭配 1.makeit1)在口语当中相当于在口语当中相当于succeed,表示表示:成功、成功、2)做到、说定、赶上、及时到达做到、说定、赶上、及时到达如如:Itshardtomakeittothetopinshowbusiness.2)在口语中相当于在口语中相当于fixthedatef
18、or,表示表示“约定好时间约定好时间”如如:Shallwemeetnextweek?OK.WejustmakeitnextSaturday.212.takeit/thingseasy相当于相当于Dontworryordonthurry.用来劝告用来劝告别人别人,表示表示“不要慌不要慌,别担心别担心,沉住气沉住气”Takeiteasy！Hewilldoitwell.3.Italldepends/thatalldepends在口语中在口语中,相当于相当于ithasntbeendecidedyet,表示表示“那那得看情况得看情况,还没有定下来还没有定下来”Areyougoingtothecountr
19、ysideforholiday?It/Thatalldepends.224.Itsuptosb.在口语中在口语中,相当于相当于itsdecidedbysb.表示表示“由由决定决定,由由负责负责,取决于取决于”Shallwegooutfordinner？Itsuptoyou.23Practice Rewrite the sentences using an “it” structure.1.Givingupsmokingisdifficult.2.Someyoungpeoplethinktheylookattractivewhentheysmoke.3.Mostpeoplebelievesmok
20、ingcausescancer.4.Donttrytoquitonastressfulday.5.Chinaproducesonethirdoftheworldscigarettes.It is difficult to give up smoking.It seems that some young people think they look attractive when they smoke.It is believed that smoking causes cancer.It is no use trying to quit on a stressful day.It is ast
21、onishing that China produces one-third of the worlds cigarettes.246.Youarenotallowedtoadvertisecigarettesinthiscountry.7.Myfatherahsquitsmokingatlast.8.Thenightwasdarkandstormywhentheoldmanstartedhisjourney.9.Youcouldsufferfrombadhealthifyoukeepsmoking.10.Youhavetotakepillstocontrolyourbloodpressure
22、.It is illegal to advertise cigarettes in this country.It is wonderful that my father has quit smoking at last.It was a dark and stormy night when the old man started his journey.It is likely that you could suffer from bad health if you keep smoking.It is necessary for you to take pills to control y
23、our blood pressure.25高考链接高考链接1.Hedidntmake_clearwhenandwherethemeetingwouldbeheld.(天津天津2007)A.thisB.that C.itD.these2._isourbeliefthatimprovementsinhealthcarewillleadtoastronger,moreprosperouseconomy.(浙江浙江2006)A.AsB.ThatC.ThisD.ItCD263.ThedoctoradvisedVerastronglythatsheshouldtakeaholiday,but_didnth
24、elp.(2005全国全国)A.itB.sheC.which D.he4.Idappreciate_ifyouwouldliketoteachmehowtousethecomputer.(山东山东2006)A.thatB.itC.thisD.youAB275.Itwas_hecamebackfromAfricathatyear_hemetthegirlhewouldliketomarry.(江西江西2009)A.when;thenB.not;untilC.notuntil;thatD.olny,when6.ItwasalongtheMissippiRiver_MarkTwainspentmuc
25、hofhidchildhood.(天津天津2008)A.howB.whichC.thatD.whereC C 28改错改错1.Youwontfinddifficulttogettothecity2.center.(2004全国全国)2.Iknowthereisnoteasytobeateacher.(2004湖北湖北)3.ThisisnotsurprisingthattheSilverGhostwasregardedas“thebestcarintheworld”.find后加后加itthereitThisIt29Exercises:1.Ihate_whenpeopletalkwiththei
26、rmouthsfull.A.itB.thatC.theseD.them2.Inwhichplayis_yourbrotherwillappear?A.thatwhereB.thiswhenC.itthatD.itwhere3._theharderyouwork,thebetterresultyoullget.A.ItsbelievedthatB.WhatwebelievedthatC.ItsfactD.WhatthefactisACA304.Nothingcanstopus,_?A.cantitB.canitC.cantweD.canwe5.-Canyoutellushowthewarwasw
27、onintheend?-Idontknow,_.A.ItshardtosayB.ItdoesntmatterC.ItsnousesayingD.ItdependsontheworkBA316.Does_matteralotwhethershewillcomeherebybusorbytaxi?A.ThethingB.thatC.itD.hermother7.-Listen!Someoneisunlockingthegoods.-_mustbeyourfathercomingbackfromBeijing.A.ItB.ThereC.ThatD.ThisCA328.-Haveyouwrittena
28、lettertoher?-No,butImgoingtowrite_tonight.A.itB.thatC.thoseD.one9.-Aretheycomingtothemeeting?-_.A.IknowsoB.IamsuresoC.IamsureofitD.Iquestionit10._nowprettylate,wetookcandlesandwentupstairs.A.BeingB.ForC.ForbeingD.ItbeingDAD3311.Theteachertoldthestudents_.A.whytolearnEnglishimportantB.whywasitimporta
29、nttolearnEnglishC.whyitimportanttolearnEnglishD.whyitwasimportanttolearnEnglish12.TheTVsetsmadeinChinaaremuchbetterthan_inJapan.A.thatB.thoseC.themD.itDB3413.Ourfoodandservicearebetterthan_usedtobe.A.ItB.weC.theyD.them14.-Imlookingforaflat.-Wouldyoulike_with_garden?A.it;theB.it;aC.one;aD.one;the15._fouryearssinceIjoinedtheArmy.A.ItwasB.ItisC.ThereisD.TherewasCCB35谢谢观赏！谢谢观赏！
