Unit4Grammar課件牛津譯林版英語九年級上冊

Unit4GrowingupPeriod3Grammar新課導(dǎo)入Lookandsay1.Assoonasyouclickthemouse,there'sagreatdealofinformation.2.Theyweresingingwhileweweredancing.3.Lilyhasstayedathomesincesheleftschool.4.Itwasalongtimebeforewemetagain.時間狀語從句LanguageGoal1.能熟悉并正確運(yùn)用本課時的重點單詞和短語。2.能掌握before、after、when和while引導(dǎo)的時間狀語從句。3.能掌握since、till和until引導(dǎo)的時間狀語從句。4.能掌握assoonas和whenever引導(dǎo)的時間狀語從句。新知學(xué)習(xí)課堂小結(jié)當(dāng)堂檢測學(xué)習(xí)目標(biāo)重點研討新知學(xué)習(xí)課堂小結(jié)當(dāng)堂檢測學(xué)習(xí)目標(biāo)重點研討AUsingbefore,after,whenandwhileWeusetheconjunctionsbefore,after,whenandwhiletointroducetimeclauses.Theycanbeplacedatthebeginningorinthemiddleofsentences.Beforemeansearlierthanacertaintime.HeremainedthereforaboutayearbeforetheNBAtooknoticeofhim.Aftermeanslaterthanacertaintime.Afterhegraduated,hewasforcedtoplayinanotherbasketballleague.新知學(xué)習(xí)課堂小結(jié)當(dāng)堂檢測學(xué)習(xí)目標(biāo)重點研討Tip:Beforeandaftercanalsobeusedasprepositionsoftime.before9a.m.afterlunchWhenmeansatorduringacertaintime.Whenhefinallygotthechance,hescored20pointsinhisfirstgame.Whilemeansduringacertaintime.While(hewas)attendingjuniorhigh,Spudtriedoutfortheschoolteam.新知學(xué)習(xí)課堂小結(jié)當(dāng)堂檢測學(xué)習(xí)目標(biāo)重點研討▲Igojoggingeverymorning.ThenIhavebreakfast.__________________________________________________.2.Ipractisedplayingbasketballforhours.Ifelttiredout.__________________________________________________.IgojoggingeverymorningbeforeIhavebreakfastAfterIpractisedplayingbasketballforhours,Ifelttiredout新知學(xué)習(xí)課堂小結(jié)當(dāng)堂檢測學(xué)習(xí)目標(biāo)重點研討3.ImetPeter.Iwaswaitingatthebusstop.__________________________________________________.4.IwaswatchingTV.Ireceivedacallfrommyuncle.__________________________________________________.5.Iwasreadytogotobed.Myfathercamebackfromwork.__________________________________________________.ImetPeterwhile(Iwas)waitingatthebusstopWhile(Iwas)watchingTV,IreceivedacallfrommyuncleIwasreadytogotobedwhenmyfathercamebackfromwork新知學(xué)習(xí)課堂小結(jié)當(dāng)堂檢測學(xué)習(xí)目標(biāo)重點研討B(tài)Usingsince,tillanduntilWealsousetheconjunctionssince,tillanduntiltointroducetimeclauses.Sincemeansfromacertaintime.Theverbinthemainclauseisoftenusedinthepresentperfecttense.You'vebeenhappysinceIfirstmetyou.Tillanduntilbothmeanuptoacertaintime,buttillismoreinformalthanuntil.Spudremainedinanotherbasketballleagueforaboutayeartill/untiltheNBAtooknoticeofhim.新知學(xué)習(xí)課堂小結(jié)當(dāng)堂檢測學(xué)習(xí)目標(biāo)重點研討Whenweuseverbslikego,leave,arrive,etc.inthemainclauses,weshouldusethestructurenot...till/until.Donotwakemeupuntilyoufinishyourwork.Tip:Since,tillanduntilcanalsobeusedasprepositionsoftime.since2006till/untiltoday新知學(xué)習(xí)課堂小結(jié)當(dāng)堂檢測學(xué)習(xí)目標(biāo)重點研討

HerearemoresentencesfromDavid'sdiaryentry.Completehissentenceswithsince,tilloruntil.▲新知學(xué)習(xí)課堂小結(jié)當(dāng)堂檢測學(xué)習(xí)目標(biāo)重點研討1.Ihavebeencrazyaboutplayingbasketball_____Iwasalittleboy.2.Theweatherhasbeenawfulthisweek.Theraindidnotstop________yesterdayevening,sowecouldnotpractisebasketballforseveraldays.3.Weplayedbasketballintheplaygroundthisafternoon________itwasgettingdark.4.Itisthefirsttimewehaveplayedbasketball________Monday.Weenjoyedourselvesverymuch.5.Iwaitedfor20minutesatthebusstop________thebusarrived.6.ItisFridayevening.Iwillnotgotobed_________IfinishwatchingmyfavouriteTVprogramme.sincetill/untiltill/untilsincetill/untiltill/until新知學(xué)習(xí)課堂小結(jié)當(dāng)堂檢測學(xué)習(xí)目標(biāo)重點研討CUsingassoonasandwheneverTheconjunctionsassoonasandwhenevercanalsointroducetimeclauses.Assoonasmeanswhensomethinghappens,orashorttimeaftersomethinghashappened.ItbegantorainassoonasIleftthehouse.Whenevermeansatanytime.IcanreadbookswheneverIwantto.Tip:Wecanuseeverytimetoreplacewhenever.新知學(xué)習(xí)課堂小結(jié)當(dāng)堂檢測學(xué)習(xí)目標(biāo)重點研討▲C1assoonaswheneverWheneverAssoonas新知學(xué)習(xí)課堂小結(jié)當(dāng)堂檢測學(xué)習(xí)目標(biāo)重點研討▲C2新知學(xué)習(xí)課堂小結(jié)當(dāng)堂檢測學(xué)習(xí)目標(biāo)重點研討WheneverSincewhentill/untilWhen/Before新知學(xué)習(xí)課堂小結(jié)當(dāng)堂檢測學(xué)習(xí)目標(biāo)重點研討LanguagePoints...hescored41pointsinagameagainsttheAtlantaHawks.……他在對陣亞特蘭大鷹隊的一場比賽中得了41分。againstprep.對抗，與……相反，違反e.g.OurclasswillplaybasketballagainstClass2.我們班要與二班進(jìn)行籃球?qū)官?。Weshouldneverdoanythingagainstthelaw.我們不應(yīng)該做違法的事。新知學(xué)習(xí)課堂小結(jié)當(dāng)堂檢測學(xué)習(xí)目標(biāo)重點研討before、after、when和while引導(dǎo)的時間狀語從句時間狀語從句是指在復(fù)合句中充當(dāng)時間狀語的句子。如：Whentheweatherisgood,mygrandpalikesgoingfishing.當(dāng)天氣好的時候，我爺爺喜歡去釣魚。Thesuncameoutafterthestormstopped.暴風(fēng)雨停止后，太陽出來了。注意：我們可以用before、after、when和while引導(dǎo)時間狀語從句，這些詞既可放在句首，也可放在句中。新知學(xué)習(xí)課堂小結(jié)當(dāng)堂檢測學(xué)習(xí)目標(biāo)重點研討新知學(xué)習(xí)課堂小結(jié)當(dāng)堂檢測學(xué)習(xí)目標(biāo)重點研討while意思是“當(dāng)……時”，強(qiáng)調(diào)主句動作和從句動作是同時發(fā)生的。如：

Whilemysisterwassweepingthefloor,Iwaswashingthedishes.

我姐姐掃地時，我在洗碗。

注意：while引導(dǎo)的從句的謂語動詞必須是延續(xù)性的。while還可以表示“在……期間”，表示主句動作發(fā)生在從句動作進(jìn)行的過程中。如：Whiletheboyswereplayingfootball,itrained.

當(dāng)男孩子們踢足球時，下雨了。新知學(xué)習(xí)課堂小結(jié)當(dāng)堂檢測學(xué)習(xí)目標(biāo)重點研討注意：在when和while引導(dǎo)的從句中，當(dāng)主句和從句的主語一致，并且從句中有be動詞時，可以省略主語和be動詞，構(gòu)成when/while+-ing結(jié)構(gòu)。如：When(sheis)introuble,shealwaysasksformyhelp.她遇到困難時總是向我求助。While(Iam)travelling,Iliketobuysomesouvenirs.旅游時我喜歡買紀(jì)念品。新知學(xué)習(xí)課堂小結(jié)當(dāng)堂檢測學(xué)習(xí)目標(biāo)重點研討since、till和until引導(dǎo)的時間狀語從句since、till和until常用來引導(dǎo)時間狀語從句，如：MrBrownhasbeeninBellingsinceyouleft.自從你離開，布朗先生就一直待在北京。Iworkedtill/untilhecameback.我一直工作到他回來為止。新知學(xué)習(xí)課堂小結(jié)當(dāng)堂檢測學(xué)習(xí)目標(biāo)重點研討注意：since引導(dǎo)的從句的謂語動詞可以是延續(xù)性動詞，也可以是瞬時動詞。till和until意思是“到……為止”，一般情況下兩者可以互換，但till不如until正式。如：Walktill/untilyouseeawhitehouse.

一直走到你看到一座白房子為止。注意：如果主句中的謂語動詞是瞬時動詞，該動詞用否定形式，形成“not...till/until結(jié)構(gòu)，意思是“直到……才（開始）”。如：Ididnotgotobedtill/until

Ifinishedmyhomework.

直到做完作業(yè)我才上床睡覺。新知學(xué)習(xí)課堂小結(jié)當(dāng)堂檢測學(xué)習(xí)目標(biāo)重點研討assoonas和whenever引導(dǎo)的時間狀語從句我們常用assoonas和whenever引導(dǎo)時間狀語從句。如：Assoonas

IarriveinCanada,Iwillcallyou.我一到加拿大，就給你打電話。Wheneverhemetus,hesmiledatus.他每次遇見我們，都向我們微笑。新知學(xué)習(xí)課堂小結(jié)當(dāng)堂檢測學(xué)習(xí)目標(biāo)重點研討assoonas意思是“一……就”。如：Webegantoworkassoonaswegotthere.我們一到那里就開始工作。Hewillvisityouassoonashegetsthere。他一到那里就會去拜訪你。whenever意思是“每當(dāng)；任何時候”。如：Helikeslisteningtomusicwheneverhehastime.每當(dāng)他有時間的時候，他喜歡聽音樂。注意：whenever可以用everytime替換。重點單詞：career,against時間狀語從句：

我們可以用before、after、when、_______、_______、till、_______、assoonas和_________來引導(dǎo)時間狀語從句；before表示______一個特定時間，since表示從某一特定時間開始，whenever表示在___________。Unit4Period3新知學(xué)習(xí)課堂小結(jié)當(dāng)堂檢測學(xué)習(xí)目標(biāo)重點研討whilesinceuntilwhenever早于任何時間新知學(xué)習(xí)課堂小結(jié)當(dāng)堂檢測學(xué)習(xí)目標(biāo)重點研討一、根據(jù)提示完成下列句子。1.Thecharityorganizationhasdonealotofwork,__________(特別)forchildrenwithoutparents.2.Milliestartedher_________(事業(yè))asanE