外研版八年級英語上冊-M12-Unit-3課件

HelpModule12Unit3Languageinuse

同學(xué)們，上一課學(xué)習(xí)的單詞你們都掌握了嗎？現(xiàn)在大家來檢驗一下，點擊下面的音頻開始聽寫吧！1.那可能是有害的！That______beharmful!2.貝蒂，你一定知道！Betty,you_____know!3.遠離窗戶和笨重的家具。____________fromwindowsandheavyfurniture.4.不要站在路燈附近或電線下。__________________streetlightsorunderpowerlines.LanguagepracticeThatcouldbeharmful！Betty，youmustknow！Stayawayfromwindowsandheavyfurniture.Donotstandnearstreetlightsorunderpowerlines.語法講解考點1祈使句的肯定句式祈使句的肯定句式一般分為以下四種類型：（1）實義動詞＋其他成分。eg：Makesentencesafterthemodel.

根據(jù)例句造句。（一）祈使句表示命令、請求、建議或勸告等。主語通常被省略，謂語動詞用原形，句末用感嘆號或句號。典例—I'mleavingnow.—

youturnoffthelightsandthecomputer.（山東泰安）A.Tomakesure

B.MakesureC.MadesureD.Makingsure【點撥】本題考查祈使句的用法，肯定句式是“動詞原形＋其他成分”，故選B。

B（2）Be動詞＋其他成分（形容詞、名詞或介詞短語等）。

eg：Becarefulwhencrossingthestreet.過馬路時要小心。（3）Let＋賓語＋動詞原形＋其他成分。eg：Lethimgobacknow.

讓他現(xiàn)在回去吧。（4）無動詞祈使句。eg：Thisway，please！請這邊走！Justaminute，please！請稍等片刻！祈使句的否定句式，通常情況下在動詞原形前加上don't或never，一般分為以下三種類型：（1）在肯定祈使句的動詞原形前加don't，構(gòu)

成“Don't＋動詞原形＋其他成分”。eg：Don'tsaythatagain！別再那樣說了！（2）let引導(dǎo)的祈使句的否定形式有兩種：①以let開頭的祈使句，如果后面跟第一、

第三人稱名詞或代詞的賓格，在let前加don't?？键c2祈使句的否定句式eg：Don'tletmegowithhertomorrow.不要讓我明天跟她一起去。②以let's開頭的祈使句，必須在let's后加not。eg：Let'snotplaycomputergamesfromnowon.從現(xiàn)在開始，我們不玩電腦游戲了吧。（3）在公共場合的提示語中，否定祈使句常用

“No＋名詞/動詞的-ing形式”結(jié)構(gòu)，表示

“禁止做某事”。eg：NOPHOTOS！禁止拍照！典例

buyyourticketfromaticketmachine.Therearelotsofpeoplethere.（沈陽）A.Not

B.NottoC.Don'tD.Don'tto【點撥】本題考查祈使句的用法，其否定形式是在動詞原形前加上don‘t，故選C。

C考點3祈使句的反意疑問句，肯定祈使句的反意疑問部分用willyou/won'tyou；否定祈使句的反意疑問部分用willyou。但以let's開頭的反意疑問部分用shallwe。典例—Don'tsmokeinthereadingroom，

？—I'msorry.Iwon'tdoitagain.（四川涼山）A.willyou

B.shallwe

C.doyou【點撥】本題考查祈使句的反意疑問句的用法，否定祈使句的反意疑問部分用willyou，故選A。

A（二）情態(tài)動詞表推測推測的情態(tài)動詞有must，can，could，may，might等。它們在表示推測的時候用來說明說話者的主觀看法?？键c1從句式上理解情態(tài)動詞表推測的用法：表示推測時，肯定句中用must，can，could，may，might；否定句中用can't或couldn't，maynot或mightnot；疑問句中用can或could。典例—Whoseisthepencilbox？—It

beTom's.Lookathisnameonthecover！

（河北）A.can

B.may

C.must

D.need【點撥】情態(tài)動詞表推測，根據(jù)下文回答“一定是湯姆的，看封面上有他的名字！”可知選C。

C考點2從可能性上理解推測情態(tài)動詞的用法：情態(tài)動詞must，can，could，may，might表示推測時，其中must表示的可能性程度最大，表示“必然”。can，could，may，might都表示“可能”，其中might表示的可能性程度最小?？赡苄杂纱蟮叫∨帕袨椋簃ust→can→could→may→might。典例—Whatwilltheweatherbelikenextweek？—It

berainy，cloudyorsunny.Whoknows？A.can't

B.might

C.must

D.should【點撥】考查表推測的情態(tài)動詞，“下周的天氣怎么樣？”“可能下雨，多云或晴朗。誰知道呢？”從語氣上看，對天氣的情況不確定，故選B。

B1Itisdangerous.You

keepout?！2Thesestairsarenotsafe.You

usethem.

3Therocksarefallingdown.You

gethit.

4Theriveristoodeep.You

swiminit.5Betty

knowwhattodobecauseshedidsomebasicmedicaltraining.1Completethesentenceswithcould，mustormustn't.mustmustn'tcouldmustn'tmust知識點1keepout（使）留在外面eg：Danger！Keepout！危險！切勿入內(nèi)！考向一如果是代詞作賓語，則要放在keep和out中間。考向二keep的相關(guān)短語keepoutof（使）在……外面；（使）不入……內(nèi)Keepthatdogoutofmystudy.不要讓那只狗進入我的書房。【重點】keepaway遠離Theiceisthin.Pleasekeepaway.冰薄，請遠離。keepawayfrom...遠離……Keepawayfromfire.遠離火。keepupwith跟上，不落人之后You'rewalkingtoofast.Ican'tkeepupwithyou.你走得太快了，我跟不上你。keepsb.fromdoing...阻止某人做……Theheavyrainkeptmefromgoinghome.這場大雨阻止了我回家。Herunsquickly，buthecan't

thetrain.A.keepoutof

B.keepoutC.keepaway

D.keepupwith典例

D【點撥】考查短語。根據(jù)句意“他跑得快，但他趕不上火車?！笨芍xD。2Underlinethecorrectwordstocompletethefirstaidinstructions.1Get/Donotgetmedicalhelpimmediately.2Ask/Donotaskthemwherethepainis.3Lift/Donotliftthembecauseyoumaydropthem.4Keep/Donotkeepthemwarm.

.

.

.

.3Completetheposteraboutearthquakeswiththecorrectformofthewordsandexpressionsinthebox.Whenthereisanearthquake...1

fromthewindows.2

atable.3

thelift.4

thebuildingquicklywhenthegroundstopsshaking.5

calm.Stayawaydonotuse

hideunder

keep

leavestayawayHideunderDon'tuseLeaveKeep4Completetheconversationwiththewordsandexpressionsinthebox.Tony：Damingistraininghardforthebigmatch.

Lingling：Yes，theteamhasagood（1）

thisyear.

Tony：Ohno，Daming’s（2）

.He’sdown！

Lingling：Itlookslikehe's（3）

.Tony：Daming，whathappened？Daming：It'smyleg.chance

Cover

inpain

introuble

medicalchanceintroubleinpainLingling：（4）

himwithmycoat.Tony：Butdon'tmovehim.Let'swaitforsomeonewith（5）

training.Lingling：OK.Covermedicalchance

Cover

inpain

introuble

medical5Completethenewsreportwiththecorrectformofthewordsinthebox.Informationiscominginthattherecouldbe（1）_______becauseofheavyraininthenorth.Thegovernmentis（2）________peopleaboutfalling（3）_______.Someroadshavealotofrocksonthem，butpeoplearetryingto（4）______themquickly.Insomeplacesthereisno（5）

.Andpeoplemuststay（6）

tokeepawayfromfallingrocks.clearinsidepowerrocktroublewarntroublewarningrocksclearpowerinsideNowreadthereportagainandcheck（√）thetruesentences.1Thereareproblemseverywherebecauseofrain.□2Thegovernmentiswarningpeopleaboutanearthquake.□3Someroadsinthemountainshavealotofrocksonthem.□4Peoplearetryingtocleartherocksofftheroads.□5Thereisnoproblemwithpower.□√√6Listenandcompletethesentences.1Wewerehaving

athomewhentheearthquakehappened.2Theroomstartedto

.3Fathershoutedtoeveryonetogetunderthe

.4Wecouldnotgetoutoftheroombecausethe

wouldnotopen.5Myfathercalledforhelp?

onhis

.6Peoplecametohelpusandweleftour

.dinnershake

kitchen

tabledoor

mobile

phoneflat

We

were

having

dinner

at

home

when

the

earthquake

happened.

The

room

started

to

shake

and

before

we

knew

what

was

happening,

Father

shouted

to

everyone

to

get

under

the

kitchen

table.

We

all

sat

on

the

floor

under

the

table

and

waited.

Whenthe

ground

stopped

shaking,

we

got

up

and

we

weren’t

hurt.

Wecouldn’t

get

out

of

the

room,

because

the

door

wouldn’t

open.

My

father

called

for

help

on

his

mobile

phone,

and

in

three

hours,

people

came

to

help

us.

They

opened

the

door.

We

got

upand

left

our

flat.

聽力材料知識點2callforhelp呼救

call相關(guān)的短語callsbup.給某人打電話callonsb.邀請；恭請；要求calloff取消callatsp.停靠，（短時間）停留考向【易錯點】callfor（去）接；需要eg：Yourplanwillcallforalotofmoney.

你的計劃會需要許多錢。Ourgovernment

ustosavefood.A.callsin

B.callsonC.callsoffD.callsat典例

【點撥】考查call的短語，根據(jù)句意“我們的政府號召我們節(jié)約糧食。”可知選B。B7Readthepassageandchoosethecorrectanswer.Aten-year-oldgirlsavedaboutonehundredothertouristsin2004bywarningthemthatatsunami，ahugeoceanwave，wasonitswayacrossthesea.Sheknewwhatwashappeningbecauseshelearntaboutunderwaterearthquakesatschoolonlyafewweeksearlier，anewspaperreported.“Iwasonthebeachandthewaterstartedtogofunny，”TillySmithtoldthereporterfromthenewspaper.“Therewerebubblesandthewaterwentbacksuddenly.Iknewtherewasgoingtobeatsunami.ItoldMum，”shesaid.Tilly'smotherandthehotelworkersactedquickly.Theyclearedpeoplefromthebeachjustminutesbeforeahugewavereachedtheland.Luckily，noonedied.

Tilly'steacherwasveryproudof?

her.“She'saveryclevergirl...ItisveryluckythatourclasswerelearningaboutthiskindoftsunamijusttwoweeksbeforeChristmas，”hetoldthenewspaper.1Whatisthebesttitleforthispassage？a）2004Asiantsunami.b）Agirlsavestouristsfromtsunami.c）Underwaterearthquakes.b2WhatdidTillynotice？a）Watercomingtothebeach.b）Peoplewatchingthewater.c）Bubblesinthewater.3WhatdoesherteacherthinkofTilly？a）Sheislucky.b）Shedoesnotdosillythings.c）Sheisacleverstudent.bc知識點3beproudof...因……而自豪proud意為“驕傲的，自豪的”，還可構(gòu)成短語beproudtodosth.“為做某事而驕傲”。eg：Theyoungwomanwasproudofherson.這位年輕的媽媽因她的兒子而自豪。I'mproudtohaveafriendlikeyou.我為有一個你這樣的朋友而驕傲?？枷颉狹om，Iwasthefirstonetoreachthetopofthemountain.—Goodjob，Charlie.I'm

ofyou.A.tired

B.proud

C.sure

D.sick典例

B【點撥】情景交際法。句意“媽媽，我是第一個到達山頂?shù)娜??！薄白龅煤茫槔?。我為你而感到驕傲?！北绢}考查形容詞，tired勞累的；proud自豪的；sure確信的；sick生病的，故選B。AroundtheworldSpecialbuildingsinJapanEarthquakesareverycommoninJapan.Manycancause?alotofdamage.Butnowtherearenewwaysofconstructingbuildingstomakethemsaferandstrongerduringearthquakes.TheYokohamaLandmarkTowerisoneofthetallestbuildingsinJapan.Itisheavyandstrong.Itsitsonrollers.Thismeanstheearthcanriseandfallbeneaththebuildingwithoutshakingit.知識點4causev.造成，迫使eg：Smokingcancauselungcancer.

吸煙可導(dǎo)致肺癌?？枷颉倦y點】cause的用法causev.造成；迫使Whatcausedhertocry？是什么使她哭了？n.原因；理由，可以作為可數(shù)名詞用Smokingisoneofthecausesofheartdisease.吸煙是引起心臟病的一種原因。8Moduletask:MakingaposteraboutpreventingaccidentsatschoolMakealistofaccidentsthatcanhappenatschool.1Theremaybeafireintheschool.4.Atrafficaccidentmayhappenwhensomeonecrossestheroad.2.Gethurteasilywhengoingup/downthestairs.5.Electricitysafety.3.Foodsafety.6.Activitysafetybetweentheclasses.范例9Workingroups.ChooseanaccidentfromthelistinActivity8andgiveinstructionsaboutwhattodo.Model：1Don'trushonthestairs.2Goup/downthestairsontheright.3Goup/downthestairsonebyone.4Don'trunonthestairs.5Payattentiontothestairs.10Makeaposteraboutpreventingaccidentsatschoolusingmust/mustn't.范例1Wemustwaitforthetrafficlights.2Wemustcrosstheroadwhenthetrafficlightisgreen.3Wemustn'trunaftereachother.4Wemustbecarefuloffire.5Wemustn'tpushothersonthestairs.6Wemustn'tswiminthedangerousplace.11Presentyourpostertotheclass.一、用適當?shù)那閼B(tài)動詞填空1．________youworkout(解決)thisdifficultproblemwithoutanyhelp?2．Thisisareadingroom.You________singhere.3．She________knockatthedoorbeforeshecamein.4．You________drinkbeforedriving.5．—________youguesstheanswer?—Sorry,Ican't.Canmustn'thadtomustn'tCan6．Yourgrandpaisfreenow.You________askhimtotellyouastory.7．—________Idothedishesnow?—No,youneedn't.8．Thebadmintonbats________beJane's.Shedoesn'tlikeplayingbadminton.9．You________gotoschoolearly,ortheteacherwillbeunhappy.10．___________youhelpme?canMustcan'tmustCan/Could二、用所給詞的適當形式填空11．________(do)keepthesecretbetweenyouandme.12．_____________(notmake)anynoise!Yourmotherissleeping.13．___________(notspeak)totheoldlikethatand____(be)polite.14.________(look)out!Acariscoming.15._________(give)ustenyearsandjustseewhatourcountrywillbelike.Do【點撥】do＋動詞原形表示強調(diào)。Don'tmakeDon