狀語從句講解37446ppt課件

狀語從句講解 在復(fù)合句中由從句表示的狀語稱作狀語從句 它可以用來修飾謂語 包括非謂語動詞 定語或狀語 或是整個句子 準確掌握每一個連詞的含義是掌握狀語從句的關(guān)鍵 同時要注意主從句的時態(tài)呼應(yīng) 考核要求 定義 類型 時間狀語從句地點狀語從句原因狀語從句目的狀語從句結(jié)果狀語從句條件狀語從句方式狀語從句比較狀語從句讓步狀語從句 連詞 時間狀語從句 掌握 1 when while as2 before after3 till until4 since5 assoonas immediately directly instantly themoment theinstant theminute 時間狀語從句 when while as 三者可表示 當(dāng) 時候 區(qū)別如下 1 若主句表示的是一個短暫性動作 從句表示的是一個持續(xù)性動作 三者都可用 Hefellasleepwhen while as hewasreading 2 若主 從句表示兩個同時進行的持續(xù)性動作 且強調(diào)主句表示的動作延續(xù)到從句所指的整個時間 通常要用while Don ttalkwhileyou reeating Ikeptsilentwhilehewaswriting 時間狀語從句 when while as 3 若主從句表示的兩個同時進行的動作含有 一邊 一邊 之意思 通常用as Shesangasshewentalong 4 若從句是一個短暫性動作 主句是一個持續(xù)性動作 可用as when但不用while Itwasraininghardwhen as wearrived 5 若主從句表示的是兩個同時 或幾乎同時 發(fā)生的短暫性動作 用as when Ithoughtofitjustwhen as youopenedyourmouth 就在你要說的時候 我也想到了 時間狀語從句 when while as 6 若要表示兩個正在發(fā)展變化的情況 隨著 用as Thingsaregettingbetterandbetterastimegoeson Asitgrewdarker itbecamecolder 7 when可用作并列連詞 表示 這時 突然 while也可以用作并列連詞 表示 而 卻 表示對比 但as則沒有類似用法 Wewereabouttostartwhenitbegantorain Helikescoffee whileshelikestea 時間狀語從句 when while as 注意 當(dāng)使用連接詞when表示 時候 時 它所引導(dǎo)的從句中謂語動詞用一般現(xiàn)在時或者一般過去時 不能用完成時態(tài) when while和as都引導(dǎo)表示時間的狀語從句 它們的區(qū)別在于動作發(fā)生的時間順序 用when時 從句的動作可以與主句的同時發(fā)生或先于主句動作發(fā)生 用as時從句和主句動作同時發(fā)生 用while時從句和主句動作同時發(fā)生 也可表示持續(xù)一段時間 weweretalking Mr Smithscamein theycamehome Iwascookingdinner Iwasabouttogotobed Iheardsomeoneknockatthedoor 4 wewerewatchingTV hewasstudying 5 Heisfat hisbrotheristhin 6 shesang tearsrandownherface 用when while或as填空 While As When When when While while As 時間狀語從句 before after Before在 之前 After在 之后表示主從句的動作先后發(fā)生1 當(dāng)主句用將來時 從句總是用現(xiàn)在時 2 如果before引導(dǎo)的從句謂語用的是過去時 則主句動詞多用過去完成時 3 After表示主句動作發(fā)生在從句動作之后 主句和從句的動作的時間關(guān)系正好與before引導(dǎo)的從句相反 時間狀語從句 before after 1 Itwillbefourdaysbeforetheycomeback 2 MyfatherhadleftforCanadajustbeforetheletterarrived 3 Afteryouthinkitover pleaseletmeknowwhatyoudecide 4 Afterwehadfinishedthework wewenthome Before與after Finishyourhomework yougoouttoplay Hehadwalkedthreedays hefoundwater Itwasnotlong helefthishometown Before與after 4 Iplayedfootball I had finishedmyhomework5 PleasetellherI llcome Idosomeshopping 6 Itwillnotbelong wemeateachotheragain 時間狀語從句 till until till和until一般情況下兩者可以互換 但是在強調(diào)句型中多用until 注意 如果主句中的謂語動詞是瞬時動詞時 必須用否定形式 如果主句中的謂語動詞是延續(xù)性動詞時 用肯定或否定形式都可以 但表達的意思不同 Ididn tgotobeduntil till myfathercameback ItwasnotuntilthemeetingwasoverthathebegantoteachmeEnglish Iworkeduntilhecameback 我工作到他回來為止 Ididn tworkuntilhecameback 他回來我這才開始工作 till與until 1 Helivedwithhisparents hegraduatedfromcollege 2 Thechildrenwon tcomehome it sdark 3 youtoldmeIhadnoideaofit 4 Not hetoldmedidIknowthetruth 5 Itwas thewarwasoverthathereturnedtohisland 時間狀語從句 since since引導(dǎo)的從句的謂語動詞可以是延續(xù)性的動詞 又可以是瞬時動詞 一般情況下 從句謂語動詞用一般過去時 而主句的謂語動詞用現(xiàn)在完成時 IhavebeeninBeijingsinceyouleft 區(qū)別 1 Itis since從 以來多長時間了Itisfiveyearssincewemetlasttime 2 Itis before 才 ItwasalongtimebeforeIwenttosleepagain 時間狀語從句 一 就 assoonas immediately directly instantly themoment theinstant theminute IwillgotheredirectlyIhavefinishedmybreakfast 吃完早飯 我立即到那里去 ThemomentIheardthenews Ihastenedtothespot 我一聽到消息 馬上趕到了出事地點 AssoonasIreachCanada Iwillringyouup 我一到加拿大 就給你來電話 時間狀語從句 一 就 hardly scarcely rarely when nosooner than主句用過去完成時 從句用一般過去時 當(dāng)hardly scarcely rarely和nosooner位于句首時 主句應(yīng)用倒裝語序 Hehadnosoonerarrivedhomethanhewasaskedtostartonanotherjourney Nosoonerhadhearrivedhomethanhewasaskedtostartonanotherjourney I be athisbedsidesincehe become ill It be twoyearssincewe be universitystudents 一 就 hesawthemonster heturnedpale 填空 4 Thespyhad returnedhomethanhewastoldtogotoanothercountry 5 Wehad returnedhomewhenitrained 6 hadwebegunwhenweweretoldtostop 填空 1 當(dāng)主句為將來時態(tài)或具有將來意義時 時間狀語從句通常要用一般現(xiàn)在時表示將來意義 Turnoffthelightsbeforeyouleave Iwilltellhimassoonashearrives 2 與since從句搭配的主句的時態(tài)通常是現(xiàn)在完成時態(tài) Hehaslivedheresince1999 WherehaveyoubeensinceIlastsawyou 時間狀語從句 時態(tài) 改錯題 Shewaswalkingonthestreetwhiletheaccidenthappened 2 IwillcallyouassoonasIwillfinishmyhomework 3 AfterthequeenknowsitisIthathelpyourunaway shewillkillme 4 Ihavefinishedthecompositionwhenthebellrang 1 IgotintouchwithCharles Ireceivedhisletter A whenimmediatelyB soonC immediatelyD suddenly2 Wewerejust callingyouup youcamein A about whenB onthepointof whileC onthepointof whenD onthepointof as 時間狀語從句練習(xí)題 3 Mostofhisgreatnovelsandplayswerenotpublishedorknowntothepublic histragicdeathin1786 A evenbeforeB eversinceC untilafterD untilbefore4 Babiessleep16to18hoursinevery24hours andtheysleepless theygrowolder A whileB asC whenD after 時間狀語從句練習(xí)題 5 DidyouremembertoreturnthebooktoourEnglishteacher Yes Igaveittohim Isawhim A onceB whileC ifD themoment6 AwarningnewsreportfromQatarannouncesthatagroupofIslamwillcontinuetokillAmericanswherevertheyare theyleavetheArabworldforever A eventhoughB incaseC wheneverD until 時間狀語從句練習(xí)題 7 Itwillbefiveyears wemeetagain A sinceB untilC beforeD when8 Howcantheylearnanything theyspendalltheirsparetimewatchingTV A whereB whenC whileD but 時間狀語從句練習(xí)題 要點 由連詞where和復(fù)合關(guān)系詞wherever nomatterwhere 引導(dǎo) 句型1 Where 地點從句 there 主句 注意 此句型通常譯成 哪里 哪里就 主句在從句后面時 there可用可不用 如果主句在從句的前面時 一般都不用there 例如 Wherethereisnorain farmingisdifficultorimpossible Youshouldhaveputthebookwhereyoufoundit 地點狀語從句 句型2 Anywhere wherever 地點從句 主句 注意 anywhere本身是個副詞 但是 ?？梢砸龑?dǎo)從句 相當(dāng)于連詞 意思相似于wherever anywhere引導(dǎo)的從句可位于主句之前 也可以位于主句之后 而wherever本身就是個連詞 表示 在何處 無論何處 Wherevertheseais youwillfindseamen 1 Wherethereisawill thereisaway 2 Whereveryougo Igotoo 地點狀語從句 判斷下列句子類型 1 Youwouldletyourchildrenplaywhereyoucanseethem 2 Youwouldletyourchildrenplayintheplacewhereyoucanseethem 1 Ihavebeenkeepingtheportrait Icanseeiteveryday asitalwaysremindsmeofmychildhoodinParis A sinceB whereC asD if2 Ilivethereareplentyofsheep saidtheboy pride A Where withB When inC That inD Why with 地點狀語從句 練習(xí)題 3 Heseemedtohavebeenasleep soIsaidnothing butsat hewouldseeme waking A whether whenB that whenC which whereD where when4 Youcanstillfindbonesofthebirds theyusedtolive A inwhichB intheplaceC whereD that 地點狀語從句 練習(xí)題 5 myfeetremainstandingabovethewaterlevel thereishope saidthecaptain A WhereB EvenifC WhileD Although 地點狀語從句 練習(xí)題 主要連詞 because as since forseeing that now that considering that 原因狀語從句 1 Ididn tgotoschoolyesterdaybecauseIwasill 2 Sinceeverybodyishere let sbeginourmeeting 3 Asyouareinpoorhealth youshouldnotstayuplate 4 Iaskedhertostaytotea forIhadsomethingtotellher 原因狀語從句 because as since for 1 because語勢最強 用來說明人所不知的原因 回答why提出的問題 當(dāng)原因是顯而易見的或已為人們所知 就用as或since Ididn tgo becauseIwasafraid Since Astheweatherissobad wehavetodelayourjourney 原因狀語從句 because as since for 2 如果不是說明直接原因 起補充說明的作用 用for Heisabsenttoday forheisill Hemustbeill forheisabsenttoday 原因狀語從句 because as since for 3 as和for的區(qū)別 通常情況下 as引導(dǎo)的從句在主句前 for引導(dǎo)的從句在主句后 例 Astheweatheriscold Istayathome Istayathome fortheweatheriscold 原因狀語從句 because as since for 用because as since與for填空 Whyareyoucrying meg I vebrokenyournecklace mom 2 Iwenttobedearly Iwastired 3 Iwasnotkindtohim hewasrude 4 Ihadacold Iwasabsentfromschool 5 MymotherwasillandIsentforTom hewasadoctor 6 weareallhere let sbeginourclass 1 MayIgonow you vefinishedyourwork youmaygo A AfterB AlthoughC NowthatD Assoonas2 ithappenedtobeaniceday wedecidedtogotothebeach A WhenB BeforeC IfD Since 原因狀語從句 練習(xí)題 主要的連詞 sothat so that such thatHestudiedhardsothathepassedtheexam Hewassoangrythathecouldn tspeak Heshutthewindowwithsuchforcethattheglassbroke 結(jié)果狀語從句 So adj a an n Such a an adj n 正 Heissocleverachildthatwealllikehim 這小孩很聰明