新概念英语第二册Lesson14共41页.pptx

会计学DiscussionEmphasesanddifficulties过去完成时BythetimeIgotoutside,thebus
hadalreadyleft.bythetimeSpeaking--freely:
Bythetime…orWhen…ThePastPerfectTense过去完成时ThePastPerfectTense过去完成时常用动词的过去式和过去分词breakbrokebroken
speakspokespoken
drivedrovedriven
seesawseen
eatateeaten
givegavegiven
knowknewknown
growgrewgrown1.We___________(learn)twothousandswordsbythetimeIwenttoMiddleSchool.5.Byyesterdayeveninghe_______________thatimportantletter.(write)

6.IthoughtI_______themanbefore.(meet)

7.Bysixo’clockthey____________fortenhours.(work)

8.IwenttoNick’shouse,buthe____________out.(go)

9.I________________theproblemwhenclasswasover.(notunderstand)

口语练习
1.a.Igotup.Mybrotherwasintheshoweralready.
b.BythetimeIgotup,mybrother____________intheshoweralready.
2.a.Iranoutsidetothebusstop.Thebuswasgone.
b.

3.a.Igothome.Irealizedthatmyhomeworkwasstillatschool.
b.4.a.Iwokeup.Myclockstoppedtwohoursago.
b.
5.a.Igottothecinemaat8.Thefilmstartedat
7:30.
b.
6.a.Igottotheparty.Jimwenthomeanhourago.
b.一、表现形式
1.基本形式：had+过去分词。
2.否定形式：had+not+过去分词(hadnot照样可缩写hadn't)。
3.一般疑问形式：had提到句首，回答用Yes,主语+had./No,主语+hadn't.例如：
—Hadhetoldyoutogothereearlieryesterday?他昨天告诉过你早点儿到那儿吗？
—Yes,hehad./No,hehadn't.是的，他告诉了。/不，他没有。
明显标志:
1.句中有by引导的过去时间状语:
Bythetimewegotthere,alltheotherguestshadarrived.
2.与过去完成时连用的时间状语有already,yet,still,never等.
TheyhadalreadyleftbeforeIreturned.
4.HisbrotherhasbeentoStoneForestwice______hecametoYunnan.
afterB.beforeC.sinceD.for
5.Tom______theCDplayerfortwoweeks.
A.haslentB.hasborrowed
C.hasboughtD.hashad
6.I______aletterfromhimsinceheleft.
A.didn'treceiveB.haven'tgot
C.didn'thaveD.haven'theard

7.-Haveyouever______LintongtoseetheTerraCottaWarriors?
-Yes,Ihave.
wenttoB.gonetoC.beeninD.beento
8.Myparents______Shangdongfortenyears.
havebeeninB.havebeentoC.havegonetoD.havebeen
9.Iwon'tgototheconcertbecauseI____myticket.
A.lostB.don'tloseC.havelostD.iscoming

1.WhenI_____(get)there,theSmithsalready____(have)theirdinner.

2.Bytheendoflastyearthey_____(produce)morethan500,000tractors.

3.Tom_____(r