Lesson 5 知識點（講義）-2021-2022年新概念英語第二冊 全國

Lesson5單詞講解

1.pigeonn.鴿子

Dove

D■ow

=a

2.messagen.信Msend

amessagereceive/get

amessageleavea

message

anurgentmessage

shortmessageservice=SMS

informationn.[u]

3.distancen.總巨離distantadj.遙遠的

differencen.不同，差異differentadj.不同的

importancen.重要importantadj.重要的

confidencen.信心confidentadj.有信心的

conveniencen.方便convenientadj.方便的

4.requestn.要求，請求

Theirrequestisabsurd.We

willrefusetherequest.

5.sparepart備件

sparetime

Lesson5課文&語法講解

現(xiàn)在完成時vs一般過去時

現(xiàn)在完成時

形式：have/has+done

用法：

1現(xiàn)在全部完成

2現(xiàn)在部分完成

現(xiàn)在完成時

形式：have/has+done

用法：現(xiàn)在的之前

Hehasleft.

1現(xiàn)在全部完成

WehavelearnedEnglishfortenyears.

2現(xiàn)在部分完成

現(xiàn)在完成時

形式：have/has+done

用法：現(xiàn)在的之前

變否定疑問：

Hehasleft.

Hehasnotleft.

Hasheleft?

補充：現(xiàn)在完成時與一般過去時的區(qū)別

Hehasleft.

1現(xiàn)在全部完成可以換成一般過去時

Hehasleft,soIcannotfindhimnow.

Helefttwohoursago.

補充：現(xiàn)在完成時與一般過去時的區(qū)別

WehavelearnedEnglishfortenyears.

2現(xiàn)在部分完成不能換成一般過去時

WelearnedEnglishfortenyears.???

1Mr.JamesScotthasagarage...andnowhehasjustboughtanothergarage...

現(xiàn)在完成時

have/has+just+done

already

ever

never

現(xiàn)在完成時

肯定“已經(jīng)”

have/hasalreadydone

Hehasalreadyhadhisbreakfast.

否定“還沒有”

have/hasnotdoneyet

Hehasnothadhisbreakfastyet.

2....sohehasjustboughttwelvepigeons.

現(xiàn)在完成時

3.Yesterday,apigeoncarriedthefirstmessagefrom...to...

一般過去時

4.Uptonow,Mr.Scotthassentagreatmanyrequests...andanotherurgent

messagesfromonegaragetotheother.

uptonow=uptillnow

Sofar

one...theother

some...others

5.5thiswav,hehasbegunhisownprivate“telephone"service.

beginbeganbegun

one'sown+n

Lesson5知識拓展

Keypoints:

現(xiàn)在完成時

have/has+done

現(xiàn)在的之前

Uptonow,theprogramthousandsofchildrenwhowouldotherwisehavedied.

A.wouldsave

B.saves

C.hadsaved

D.hassaved

Uptonow,theprogramthousandsofchildrenwhowouldotherwisehavedied.

A.wouldsave

B.saves

C.hadsaved

D.hassaved

-Look!Somebodythesofa.

-Well,itwasn'tme.Ididn'tdoit.

A.iscleaning

B.wascleaning

C.hascleaned

D.hadcleaned

-Irememberyouwereatalentedpianistatcollege.Canyouplaythepianoforme?

-Sorry,Ipianoforyears.

A.don'tplay

B.wasn'tplaying

C.haven'tplayed

D.hadn'tplayed

-Alvin,areyoucomingwithus?

-I'dloveto,butsomethingunexpected.

A.hascomeup

B.wascomingup

C.hadcomeup

D.wouldcomeup

Formanyyears,peopleelectriccars.How