-高中英语Unit3ComputersLearningaboutLanguage课件新人教版必修

Unit3

ComputersLearningaboutLanguage语法精讲·思维构建观察上面对话,并类比填空。1.FirstasaPCandthenasalaptop,I_____________(use)inofficesandhomessincethe1970s.

2.Sincethe1970smanynewapplications_______________(find)forme.

3.I_____even________(put)intospacerocketsand____(send)toexploretheMoonandMars.

havebeenusedhavebeenfoundhavebeenputsent一、现在完成时的被动语态的各种句式肯定式主语+have/hasbeendone...否定式主语+have/hasnotbeendone...一般疑问式Have/Has+主语+beendone...?特殊疑问式特殊疑问词+have/has+主语+beendone...?*Alreadythisyear,115measlescaseshavebeenreportedintheUSA.今年美国已经报道了115例荨麻疹病例。*Moransaysoneoftheproblemswithjazztodayisthattheentertainmentaspectofthemusichasbeenlost.Moran说现在的爵士乐存在的问题之一就是它的娱乐因素已经没了。*Theconstructionofthebridgehasnotbeenfinished.桥的建设还没有完成。*Hasitbeenannouncedwhentheplaneistotakeoff?有没有宣布飞机何时起飞?*Thedreamwassotrueatthebeginning,butwhyhasitbeenbrokenintopieces?梦当初那么真,为何裂为碎片?F

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➝Thechildren_______________thegoodnewsyet.

②变为一般疑问句。➝________________________thegoodnewsyet?

③对thechildren进行提问。________________thegoodnewsyet?

haven’tbeentoldHavethechildrenbeentoldWhohasbeentold(2)I’msorry,buttheletters_________________yet.

很抱歉,这些信件还没有被打印出来。(3)Theplan________________fornearlytwohours.

这项计划已被讨论了近两个小时了。(4)She_____________________sincethen.

从那时候起,她就没来过信。haven’tbeentypedhasbeendiscussedhasn’tbeenheardfrom二、使用现在完成时的被动语态的几点注意事项1.只带有一个宾语的动词变为被动语态时,将主动语态的宾语变为被动语态的主语。*Mobike,anewkindofpublicbikerentalservice,hasbeenputintouseinsomebigcities.摩拜单车,一种新型公共自行车租赁服务,已经在一些大城市投入使用。2.带有双宾语的动词,如give,send,bring,take,teach,show,tell,make,sing,write,read,sell,buy,pay,lend,pass,promise等,变为被动语态时,一般将间接宾语变为被动语态的主语,若将直接宾语变为被动语态的主语时,间接宾语前面要用相应的介词。*Theleadingparthasbeengiventoayoungactressandsheshouldplayitverywell.主角由一位年轻女演员去演,她应该演得很好。3.带有复合宾语的动词变为被动语态时,只能将宾语变为主语,原来的宾语补足语变为主语补足语。*Thenewsthathehasbeenelectedpresidentofthecountryistrue.他当选那个国家的总统的消息是真的。4.短语动词是一个不可分割的整体,在被动语态中要保持完整性,其中的介词或副词不可省略。*Thetraditionalskillofmakingthepaperbyhandhasbeenpasseddownthroughgenerations.用手制作纸张的传统工艺已经传了好几代人了。5.happen,takeplace,breakout,belongto,cost,last等不及物动词或词组不能用于现在完成时的被动语态。GreatchangeshavebeentakenplaceinChinasince1978. ()GreatchangeshavetakenplaceinChinasince1978. ()6.在时间或条件状语从句中,用现在完成时的被动语态代替将来完成时的被动语态。*Youshouldn’tgoswimmingbeforethewoundhasbeenrecovered.

在伤口恢复之前,你不应该去游泳。FTManyhouses______________inthevillageinthepastfewyears.

(2)Theyshouldhavecompletedtheprojectearlierthismonth.Theproject________________________earlierthismonth.

(3)Jack’sbosshasalwayspraisedhimforhisdevotiontowork.Jack_____________________byhisbossforhisdevotiontowork.

havebeenbuiltshouldhavebeencompletedhasalwaysbeenpraisedⅠ.用所给词的适当形式填空1.Alotoffactories____________(set)upsincelastyear.

2.—Whydoesthelakesmellterrible?—Becauselargequantitiesofwater_________________(pollute).

3.Ifthepaper_______________(finish),pleasehanditin.

4.Althoughhehaslivedwithusforyears,he_________(notleave)usmuchimpression.

5.Manyofherfriends_______________(invite)toherbirthdayparty.

学情诊断·课堂测评havebeensethavebeenpollutedhasbeenfinishedhasn’tlefthavebeeninvited6.—Isthemeetingbeingheldnow?—No.Ihearthatit___________(put)offtilltomorrow.

7.Howmanycars______________(make)inthefactorysince1990?

8.It’sthefirsttimethattheoldcomputer_______________(check)sinceIboughtit.

9.—Wewanttositatthetablenearthewindow.—I’msorry,butit_____________(take)already.

10.It’ssaidthatthebridge______________(close)forrepairsformonths.

hasbeenputhavebeenmadehasbeencheckedhasbeentakenhasbeenclosedⅡ.完成句子1.Howlong___thebattery_______________?

电池多久没有更换了?2.Youshouldn’tleaveschoolbeforeyourhomework_______________.

在你的作业完成之前你不应该离开学校。3.Papermoney____________foroveronethousandyears.

纸币已经被使用了1000多年了。4.________________achancetoworkabroadrecentlybythecompany.

最近公司给了他一个出国工作的机会。hasnotbeenchangedhasbeenfinishedhasbeenusedHehasbeengiven5.He____________________________thesportsmeeting.

他已被挑选出来参加运动会。6.Theplan_______________bytheexpertsforthreetimes.

这项计划已经由专家研究过三次了。7.Thechild___________________byGrandmaWangalltheseyears.

这些年来,这个小孩一直由王奶奶照料。8.Thepassage________________.

这段文字已被润色。hasbeenselectedtotakepartinhasbeenstudiedhasbeentakencareofhasbeenpolished

Withthedevelopmentoftechnology,especiallythedevelopmentofcompu