《Lesson 16 Unit Review》课文讲解和练习.docx
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《Lesson 16 Unit Review》课文讲解和练习.docx
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《Lesson16UnitReview》课文讲解和练习
lesson16unitreview
语法专项讲解
语法专讲现在完成时:
1.现在完成时的基本概念和用法:
现在完成时由have(has)+动词的过去分词构成。
规则动词的过去分词的构成与动词过去式相同,不规则动词的过去分词各不相同,需个别记忆。
(1)现在完成时表示过去所发生的动作对现在的影响或产生的结果,常与just(刚刚),already(已经),ever(曾经),never(从来),yet(尚,还)等表示时间的副词搭配使用。
Haveyoueverseenthefilm?
你看过这部电影吗?
Shehasalreadyboughtalotofthings.
她已经买了许多东西。
(2)表示一个从过去某个时间开始,延续到现在并可能持续下去的动作,常与表示段时间的时间状语连用,这样的时间常用since或for来构成。
since后面加时间点或从句(从句的时态常用一般过去时)for后加时间段:
Hehasworkedherefor15years.
他在这里工作了15年了。
IhavestudiedEnglishsinceIcamehere.
自从我来这里,一直在学英语。
肯定式,否定式,疑问式如下:
I(We,You,They)havereadit.
He(She)hasreadit.
I(We,You,They)havenotreadit.
He(She)hasnotreadit.
HaveI(we,you,they)readit?
Hashe(she)readit?
(3)某些非延续性动词即动作开始便终止的动词,在现在完成时中不能与表示一段时间的状语搭配。
例如下面这些动词属于非延续性动词,并非不能用于现在完成时,而是不能接由for或since引导的时间状语。
die,arrive,join,leave,go,finish,buy,comelend,borrow,marry,例如:
Hehascomeherefortwohours.(×)他来了两个小时了。
Hehasbeenherefortwohours.
(4)have(has)goneto表示去了某地但还没有回来。
have(has)beento表示去过某地并且已经回来。
HehasgonetoShanghai.
他到上海去了。
HehasbeentoShanghai.
他去过上海。
2.现在完成时与一般过去时的区别:
现在完成时表示过去发生的某一动作对现在造成的影响或结果,强调的是现在的情况,所以它不能和表示过去的时间状语连用。
而一般过去时只单纯表示过去的动作或状态,和目前情况无关,它可以和表示过去的时间状语,如yesterday,lastyear,justnow等连用。
试比较:
Itsnowedheavilyyesterday.
昨天雪下得很大。
Ithassnowedforthreedays.
已经下了三天雪了。
现在完成时专项练习
针对练习
基础过关课堂巩固,基础闯关
一、 单项选择。
( )1、Both his parents look sad.Maybe they _________what's happened to him.
A. knew B. haveknown
C. mustknow D.willknow
( )2、He has _______been to Shanghai,has he?
A. already B.never C.ever D.still
( )3、Have you met Mr. Li______?
A. just B.ago C.before D. amomentago
( )4、Thefamouswriter_____onenewbookinthepasttwoyear.
A.is writing B.was writing
C.wrote D.has written
( )5、—Ourcountry ______alotsofar.
—Yes.Ihopeitwillbeeven______.
A.has changed;well B. changed;good
C.has changed;better D. changed;better
( )6、ZhaoLan______already ______inthisschoolfortwoyears.
A.was;studying B.will;study
C.has;studied D.are;studying
( )7.We______Xiao Li since she was a little girl.
A.know B. had known
C.have known D. knew
( )8、HarryPotterisaverynicefilm.I_______ittwice.
A. will seeB. have seenC. saw D.see
( )9.—These farmers have been to the
United States.
—Really?
When_____ there?
A.will they go B. did they go
C. do they go D. have they gone
( )10.—______you___your homework yet?
—Yes.I_____ it a moment ago.
A. Did;do;finished B. Have;done;finished
C. Have;done;have finished
D. will;do;finish
拓展提高课后拓展,提升能力
Ⅰ.(中考高频题)单项选择
()1.(2005年重庆)Nowadayssciencefictionisn’tas____________ascartoonsamongteenagers.
A.popularB.morepopular
C.lesspopularD.themostpopular
()2.(2006年福州)WearegladtoseethatShanghaiisdeveloping________theseyearsthaneverbefore.
A.quicklyB.lessquickly
C.morequicklyD.themostquickly
II.(创新题)句型转换填空。
1、Hehasneversurfed,_____________?
(改成反意疑问句)
2、Theyhavebeenheresince2000. (对划线部分提问)
________________havetheybeenhere?
3、Theoldman_________lastyear.He____________forayear.(die)(动词填空)
4、Thisfactoryopenedtwentyyearsago.(同义句转换)
Thisfactory__________________fortwentyyears.
5、MissGaoleftanhourago. (同义句转换)
MissGao_______________________________anhourago.
6、HermotherhasbeenaPartymemberforthreeyears.(同义句)
Her mother____the Party three years __.
7、TheGreenFamilymovedtoFrancetwoyearsago.(同义句转换)
_______twoyears________theGreenfamilymovedtoFrance.
8、Thebushasarrivedhere.Itarrivedtenminutesago.(把两个句子合并成一个句子)
__________________________________________
III.(兴趣题)选词填空。
请从方框内选择适当的词语完成这封信。
Writing, talking,sitting,playing, swimming,flying,sunny, studying,drawing, having
DearBob,
MynameisRich.I’mfourteenyearsold.I’m
(1)__________inamiddleschool.Myschoolisniceandclean.Thereare30studentsinmyclass.It’s
(2)_______today.MyclassmatesandIare(3)________agoodtimeonthebeach.It’saniceplace.Thewaterisblueandclear.Manybirdsare(4)________overthesea.Manypeopleare(5)_________.Someboysare(6)_________football.Somepeopleare(7)________onthebeach.Agirlis(8)_________ picturesonachair.Anothergirlis(9)________photos.I’m(10)_________toyou!
Whatareyoudoing?
Ihopeyoucanwritetomesoon.
Bestwishes!
Rich
1____2______3_______4________5_______
6_____7______8_______9_______10_______
IV.(综合题)
WeareallbusytalkingaboutandusingtheInternet,buthowmanyofusknowthehistoryoftheInternet?
ManypeoplearesurprisedwhentheyfindthattheInternetwassetupinthe1960s.Atthattime,computerswerelargeandexpensive.Computernetworks(网络)didn'tworkwell.Ifonecomputerinthenetworksbrokedown,thenthewholenetworkstopped.Soanewnetworksystem(系统)hadtobesetup.Itshouldbegoodenoughtobeusedbymanydifferentcomputers.Ifpartofthenetworkwasnotworking,information(信息)couldbesentthroughanotherpart.Inthiswaycomputernetworksystemwouldkeeponworkingallthetime.
Atfirst,theInternetwasonlyusedbythegoverment(政府),but,intheearly1970s,university(大学),hospitalsandbankswereallowed()touseittoo.Howerver,computerswerestillexpensiveandtheInternetwasdifficulttobecomecheaperandeasiertouse.Scientistshadalsodevelopedsoftware(软件)thatmade"Surfing"(浏览)theInternetmoreconvenient(方便).
Todayitiseasytoget-on-lineanditissaidthatmillionsofpeopleusetheinterneteveryday.Sendinge-mailismoreandmorepopularamongstudents.
TheInternethasnowbecomeoneofthemostimportantpartsofpeople'slife.
()1.TheInternethasahistoryof______years.
A.about40B.lessthan30C.morethan45D.nearly35
()2.Scientistssetupanewnetworksystemto_______.
A.makethecomputercheaper.B.usethecomputerwidely
C.makethecomputergowellD.developnewsoftwares
()3.TheInternetwaswidelyusedinthe______.
A.1960sB.1970sC.1980sD.1990s
()4.Theunderlinedwords"get-on-line"inChinesemeans"________"
A.上机B.上网C.接线D.买电脑
()5.WhichofthefollowingisNOTture?
A.Inthe1960scomputernetworkssystemwentwrongeasily.
B.Computersaremuchcheaperthanbefore.
C.TodaytheInternetisusedeverywhere.
D.Peoplehadenoughsoftwarestogeton-linefifteenyearsago
激活潜能围绕主题,实战应用
V.(开放题)汉译英。
1、他昨天收到一封信。
He_______aletter_______.
2、我父亲以前到过长城。
Myfather____________totheGreatWall.
3、她还没有看过那部新电影。
She_____________thisnewmovieyet.
4、她去过上海吗。
_____She______toShangHai?
5、他这些天上哪儿去了?
Where_____he_______inthesedays?
VI.探究题单项选择
( )1.Miss Green isn't in the office.she_______ to the library.
A.has gone B.went
C.will go D. has been
( )2.My parents______ Shandong for ten years.
A. have been in B.have been to
C. have gone to D.have been
( )3.Thestudentshavecleanedtheclassroom,_____?
A.sothey B.don’tthey
C.havethey D.haven’tthey
( )4._____hasMr.WhitebeenamemberofGreenerChinasincehe____toChina?
A.Howsoon,comes B.Howoften,got
C.Howlong,came D.Howfar,arrived
( )5.Hisuncle____formorethan9years.
A.hascomehere B.hasstartedtowork
C.haslivedthere D.haslefttheuniversity
Lesson16答案
基础过关
一、1---6BBCDC7---10CCBBB
拓展提高
I.1---2AC
II.1.hashe?
2.Howlong 3.died,hasbeendead
4.hasbeenopen 5.hasbeenaway
6.joined;ago7.Itis,since
8.Thebushasbeenherefortenminutes.
III.1.sitting2.sunny3.having4.flying
5.talking6.playing7.swimming8.drawing
9.studying10.writing
IV.1---5CBDBD
激活潜能
V.1.receivedyesterday2.hasbeen3.hasn’tseen4.Hasbeen5.hasbeen
VI.探究题
1---5AADCC
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