Unit7Grammar語法課件滬教牛津版八年級(jí)英語上冊(cè)

Module4SchoollifeUnit7MemoryGrammarReviewReadthesentencebelowtoreviewtheuseofconditionalsentences.表示在某種條件下某事很可能會(huì)發(fā)生時(shí)，if從句用一般現(xiàn)在時(shí)，主句用一般將來時(shí)，即“主將從現(xiàn)”。

Ifitrainstomorrow,I_____________________.willwatchTVathomeIfit__________tomorrow,_________________.I’llplaybasketballdoesn’trainLet’slearnItdisappears.Ifyouputsomesaltintowater,whathappenstoit?Ifyouputsaltintowater,____________.itdisappearsapossibleactiontheresultthatwillcertainlyhappen表示在某種條件下某事一定會(huì)發(fā)生時(shí)，if從句和主句都用一般現(xiàn)在時(shí)。（主現(xiàn)從現(xiàn)）一定會(huì)發(fā)生GrammarA-Conditionalsentences(2)客觀事實(shí)P103WorkouttheruleP103Waterturnsintoiceif

thetemperatureisbelowzero.=Ifthetemperatureisbelowzero,waterturnsintoice.A1Readtheseif-clauseanddrawlinestomatchthemwiththeresults.(P103)A2

Inpairs,makeconversationsaboutthesentencesinA1onpage104.S1:Whathappensifyouswitchoffthelamp?S2:Theroombecomesdark.S1:Areyousure?S2:Ofcourse,I’msure.Ifyouswitchoffthelamp,theroombecomesdark.S1:Whathappensifyouputwoodintowater?S2:Itfloats.S1:Areyousure?S2:Ofcourse,I’msure.Ifyouputwoodintowater,itfloats.Ifyou_______ice,______________water. (turns/heat/it/into)Ifyou_______steam,____________water. (into/cool/turns/it)3.Oil__________________________water. (on/floats/pour/it/you/if)Water_________________________it. (you/heat/boils/if)heatitturnsintocoolitturnsintofloatsifyoupouritonboilsifyouheatA3Completethesesentenceswiththewordsinbrackets.P104GrammarB-if…notandunlessP104

Thewordunlessmeansif...not=Youwillnotrememberthingswellifyoudonotgetenoughsleepeverynight.=Youwillnotrememberthingswellunlessyougetenoughsleepeverynight.Ifyoudonotgetenoughsleepeverynight,youwillnotrememberthingswell.=e.g.Unlesstherainstops,wecannotgohiking.B1

DrawlinestomatchthebeginningsofthesentencesinColumnAwiththeendingsinColumnB.(P105)B2

Rewritethefollowingsentenceswithunless.(P105)Unlessyoubrushyourteetheveryday,youwillgetatoothache./Youwillgetatoothacheunlessyoubrushyourteetheveryday.Unlessyouopenthewindow,thisroomwillgetveryhot./Thisroomwillgetveryhotunlessyouopenthewindow.Unlessyouclosethatwindow,flieswillgetin./Flieswillgetinunlessyouclosethatwindow.Unlessthewaitercomessoon,Iwillleavethisrestaurant./Iwillleavethisrestaurantunlessthewaitercomessoon.()1.Ifyou____totheparty,you____agreattime. A.willgo;willhave B.go;have C.go;willhave D.willgo;have()2.I’llgivethebooktohimifhe____herenextSunday. A.willcome B.comes C.iscoming D.came()3.Ifyou____thevase,it____intopieces. A.drop;willfall B.willdrop;falls C.willdrop;willfall D.drop;fallsCBD主將從現(xiàn)（很可能會(huì)發(fā)生）主將從現(xiàn)（很可能會(huì)發(fā)生）主現(xiàn)從現(xiàn)（一定會(huì)發(fā)生）一、選擇題。1.Ifyouarenotbrave,you’llloseyourlastchance.______youare______,you’llloseyourlastchance.2.Unlessyougotobedearly,youwillfeeltired.______you______gotobedearly,youwillfeeltired.3.Ifyoudon’texercise,you’llgetilleasily.______you_________,you’llgetilleasily.UnlessbraveIfdon’tUnlessexercise二、改為同義句。Inthisclass,wehavelearned1.theusagesofconditionalsentences.

（主將從現(xiàn)，主情從現(xiàn)，主現(xiàn)從現(xiàn)）2.theusageofunless.3.thesentencetransformationbetweenif...notandunless.Summarysnowsturnswillgetbreaks are

putwon’tgo

is gets are

willbe Will

travel

have

will

do

is Exercise:報(bào)紙N19ifdoesn’thaveunlesscosts willmissunlessStudyand Ifdon’tleaveExercise:報(bào)紙N19BBCCDExercise:報(bào)紙N19turnoff becomeswillseeunless Exercise:報(bào)紙N19getsupwill havetoimprovemustgorainswillarriveExercise:報(bào)紙N19III.根據(jù)括號(hào)中的提示翻譯句子，完成短文。We’vebeenlookingforwardtoourkite-flyingtriptothepark,andtheweatherforecastholdsthekeytoourexcitement.(11)

(如果明天天氣晴朗，我們會(huì)去公園)earlyinthemorningwithourcolourfulkites.Theskyis

likeapieceofbigpaperwherewecandraw,andthewindwillhelpour

kitesflyveryhigh.(12)

(如果其他人想加入我們),wewillalsobehappy.Wewon’tgobackhome(13)

(除非天黑了).It’sgoingto

beanunforgettableexperience!However,(14)

(如果明天下雨),wewillchangeourplan.We’ll

stayathomeandhavefunplayinggames.Wemightalsobakesome

cookies.Butwemightgetbored(15)

(除非我們找到一些有趣的室內(nèi)活動(dòng)).Wehopeforasunnydaysowecanenjoyourselvesoutsi