仁爱英语8年级上册U2Topic3学科讲义有答案Word文档格式.docx
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做实义动词，意为“需要”，后跟名词，动名词或动词不定式作宾语，有人称、数和时态的变化。
Heneedssomehelp.
Youneedtowearmoreclothes.
Theflowersneedflowering.
它还可做情态动词，意为“需要、必要”。
后面跟动词原形，否定形式是在need后面直接加not，疑问形式是把need提到主语前面。
Youneedn’tcomeifyouarebusy.
—Musthego?
—No,heneedn’t.
4.The+比较级，the+比较级，“越……就越……”。
Themore,thebetter.
5.Myself,yourself,是反身代词，表示某人自身，可以在句中作宾语，表语，同位语。
Don’thurtyourself.
Youarenotquiteyourselftoday.
Theythemselvesdoit.
Byoneself亲自foroneself为了自己helponeselfto随便吃makeoneself别拘束
短语
goahead请开始吧
keep…awayfrom…让…远离….
Justamoment,please=waitamoment=Holdon,please.请稍等（打电话常用语）
rightnow用两种意思：
①现在=now②马上=rightaway;
inaminute;
atonce;
①getthroughtosb和某人接通电话
②leaveamessageforsb.给某人留口信
③givesb.amessage=takeamessageforsb.给某人捎口信
④callsb.back给某人回电话
⑤ask/tell/ordersb（not）todosth.叫某人（不）去做某事
carefor=takecareof=lookafter照顾，照看
Saynotosb/sth.拒绝某人某物
Saysorry/hello/byebye/yestosb.
Ononehand...Ontheotherhand...一方面……另一方面……
二、语法精讲
情态动词must，haveto的用法
1.情态动词must强调主观看法，意思是“必须，应该”，含有要求、命令之意。
Youmustfinishyourhomeworkfirst.
2.must的否定式为mustn’t，意为“禁止，不得”。
Hemustn’tleaveherebefore10:
00.
3.一般疑问句为把must提到主语前面，肯定回答用must，否定回答用needn’t或don’thaveto.
Mustwehandinourexercisestoday?
No,youneedn’t./don’thaveto.
4.Must表示必然结果，意为“必定，一定”。
Ifyoudon’tworkhard,youmustfailintheexam.
5.Must表示有把握的推测，意思是“肯定”，否定推测用can’t.
Theremustbesomethingwrongwiththemachine.
Hecan’tbeathome.
6.Must与haveto的用法区别。
Have/hasto表示由客观原因而必须做某事，有被迫之意，可用于多种时态，而must通常表示由于责任、义务
等主观原因而必须做某事。
Wemustobeythetrafficrules.
Myparentsaren’tathome,Ihavetohelptolookaftermysister.
【典型例题讲解】
（）1.—Hello!
MayIspeaktoMary?
—_______
A.I’mMary.B.Maryisme.
C.ThisisMaryspeaking.D.I’mspeaking.
（）2.Myparentsaskme_______inordertomakemehealthy.
A.buildupmeB.buildmeup
C.tobuildupmeD.tobuildmeup
（）3.Tom_______yesterdaymorning,butIwasout.
A.builtupmeB.builtmeup
C.rangupmeD.rangmeup
（）4.—MayIaskyousomequestions,Dr.Wang?
A.You’rewelcome.B.Sure,goahead.
C.No,I’mbusy.D.Yes,youmust.
（）5.—MustItakepartintheactivity?
—No,you_______.You’retooyoung.Youshouldlookafteryourself.
A.mustn’tB.don’tC.can’tD.don’thaveto
（）6.—Whotaught_______Japanese?
—Ilearneditby_______.
A.you;
myselfB.your;
myself
C.yourself;
meD.yourself;
（）7.Ourteachersoftentellus_______thenetbar.
A.stayawayfromB.tostayawayfrom
C.notstayawayfromD.nottostayawayfrom
（）8.Wedon’tknowhowtopreventtheflu.ShallweaskDoctorWangHaifor______?
A.theadviceB.anadviceC.someadviceD.someadvices
（）9.—MayIwatchTV,Mom?
—I’mafraidyou_______.
A.shouldnotB.can’tC.mustnotD.maynot
（）10.—Ihaveastomachache.WhatshouldIdo?
—You_______drinksweetwaterand_______eatsweetfood.
A.hadbetternot;
shouldn’tB.should;
hadbetter
C.hadbetter;
hadbetterD.shouldn’t;
should
【随堂练习巩固】
Ⅱ.情景交际。
（5分）
在下列横线上填入适当的句子，补全对话。
A:
Hello!
I’dliketospeaktoKangkang.
B:
11.
12.
Hehasabadstomache.
13.Howdidithappen?
Heateoutforfastfoodwithhisfriendsyesterday.Hefeltterribleassoonashecameback.
That’sterrible.14.Iwanttoseehim.
Notfar.It’sonXinhuaRoad.Youcanfinditeasily.
Ihopehewillgetbettersoon.
15.
Ⅲ.完形填空。
（10分）
Avawasill.Shewenttoseeadoctor.Thedoctoraskedherto16hertongue（舌头）,andthenhesaid,“OK.Youcanputyourtonguebacknow.There’s17wrongwithyou,butI’mafraidyouhaveaproblem,younevertake18.”
“But,doctor,”Avasaid,“Idon’tthinkso.”
“Don’t19mewhatyouthink,”thedoctorsaid,“Iseealotofpeople20you.Noneofthemgetanyexercise.TheysitinofficesalldayandinfrontoftheTVintheevening.Youmustwalkquicklyforatleast20minutesaday.”
“Doctor,youdon’tunderstand.”Avasaid,“Itakeenoughexerciseeveryday.”
“Idon’twantto21anyexcuses,”thedoctorsaid,“Youmustfindtime22exercise.Ifyoudon’t,youwillget23andhavehealthproblems.”
“ButIwalkeveryday.”Avasaid.
“Oh,yes,andIknowwhatkindofwalkingthatis.Youwalk24meterstothebusstopfromyourhouse,fromthebusstoptoyouroffice,andfromyourofficetoyourdining-roomforlunchandback.That’
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