Unit4AdversityandcourageDiscoverUsefulStructures课件-高中英语人教版选择性

Unit4DiscoverUsefulStructuresDiscoveryandSummaryIhavebeenlearningEnglishsinceIwas8yearsoldandIstillloveit.我从八岁起就开始学英语了，现在仍然很爱它。你一直在进步，我真为你感到骄傲。DiscoveryandSummaryYouhavebeenmakingprogressandIamproudofyou!小朋友一直努力在集中注意力，但还是情不自禁睡着了。DiscoveryandSummaryThelittleboyhasbeenstrugglingtobeattentive,butcan’thelpfallingasleep.Ithasbeenrainingthesedays.这些天一直在下雨。DiscoveryandSummary2.I

havebeenlearning

EnglishsinceIwas8yearsoldandIstillloveit.3.You

havebeenmaking

progressandIamproudofyou!4.Thelittleboy

hasbeenstruggling

tobeattentive,butcan’thelpfallingasleep.1.It

hasbeenraining

thesedays.DiscoveryandSummary现在完成进行时表示动作从过去某一时间开始，一直持续到现在，或者刚刚终止，或者可能仍然要继续下去。I.Definition

oftheperfectcontinuoustense

构成:have/has+been+doing2)肯定、否定及疑问形式：肯定句:Ihavebeenworking.Shehasbeenworking.否定句:Ihavenotbeenworking.Shehasnotbeenworking.疑问句:HaveIbeenworking?

Hasshebeenworking?

II.StructureoftheperfectcontinuoustenseIhavebeenlearningEnglishsinceIwas8yearsoldandIstillloveit.learn

8yearsagofuturenow

1.

过去动作持续到现在，还将持续下去.III.Usage【1】

oftheperfectcontinuoustenselearnlearn1.---IamsorryIhavekeptyouwaitingsolong.---Itisallright.Ihavebeenreading

thenewspapers.2.Wehavebeenwaitingforyouforhalfanhour.

2.

表示说话之前刚刚结束的动作，并且动作不再继续.III.Usage【2】

oftheperfectcontinuoustensepastfutureonehouragonowwaitingstartedstoparrive3.

表示动作从过去到现在的时间内重复发生但有可能间断。1.It

hasbeenraining

thesedays.2.We

havebeenpracticing

KungFurecently.III.Usage【3】

oftheperfectcontinuoustenseHeze2.Whyareyoulateagain?Ihavebeenwaiting

foryoufortwohours.

4.

表示某种强烈的感情色彩,如：赞赏、批评、愤怒等。1.

You

havebeenmaking

progressandIamproudofyou!III.Usage【4】

oftheperfectcontinuoustense1.Thegirlhasagreatinterestinsportand___badmintonclassestwiceaweekoverthelastthreeyears.

A.tookB.istaking

C.takesD.hasbeentaking2.Inordertofindthemissingchild,villagers__alltheycanoverthepastfive

hours.A.did

B.do

C.haddone

D.havebeendoingPracticeTheboy__________________(eat)sincefiveminutesago.

hasbeeneating(1)Theboystartedeatingfiveminutesago.(2)Heisstilleatingnow.Practice完成P41②现在完成时和现在完成进行时的比较1.LiJia__________(read)abookaboutStonehenge.(Shefinishedreadingthebook.)2.LiJia______________(read)abookaboutStonehenge.(Sheisstillreadingthebook.)hasread

hasbeenreadingIV.Contrast

【1】(比较1)

pastfuturenowreaddohaveread

pastfuturenowreaddohavebeenreadingdo现在完成时现在完成进行时刚结束动作仍在继续IV.Contrast

【1】(比较1)A.—_______________haveyouvisitedEgyptthismonth?—IhavevisitedEgypttwicethismonth.(过去往返埃及和居住地,但现在已回来)

B.—__________haveyoubeentouringEgypt?—IhavebeentouringEgyptfortwomonth.(过去一段时间一直待在埃及,没有离开过)HowmanytimesHowlongSummary2现在完成时表示反复发生的动作，提问时用howmanytimes。而现在完成进行时，表示持续的、不间断的动作，提问时用howlong。IV.Contrast

【2】(比较2)Summary3现在完成进行时比较生动，有时含有明显的感情色彩，而现在完成时往往只说明一个事实，一种影响或结果。Ihavebeendreamingtobeanastronaut.

Ihavedreamttobeanastronaut.IV.Contrast

【3】(比较3)Summary4

never,yet,already,ever等可用于现在完成时，但不可用于现在完成进行时。Ihave

nevervisitedParis.Ihave

never

beenvisitingParis.×√Hehas

already

gonetoParis.Hehas

already

beengoing

toParis.√×IV.Contrast

【4】(比较4)1.[北京卷]---Excuseme,whichmovieareyouwaitingfor?---ThenewStarWars.We_____hereformorethantwohours.A.waitedB.waitC.wouldbewaitingD.havebeenwaiting2.[北京卷]China’shigh-speedrailways_____________(grow)from9,000to25,000kilometersinthepastfewyears.DPracticehavegrown3.[福建卷]

---WhereisPeter?Ican’tfindhimanywhere.---Hewenttothelibraryafterbreakfastand______________(write)hisessaythereeversince.4.[江西卷]

---Tony,whyareyoureyesred?---I________________(cut)uppeppersforthelastfiveminutes.hasbeenwritinghavebeencuttingPractice5.[江苏卷]Dashan,who____crosstalk,theChinesecomedictradition,fordecades,wantstomixitupwiththeWesternstand-uptradition.A.willbel