九(上)語(yǔ)法之狀語(yǔ)從句.ppt

九 上 語(yǔ)法之 狀語(yǔ)從句 一 時(shí)間狀語(yǔ)從句 由when while before after since assoonas till until引導(dǎo)的從句1 when與while1 I lltellherthegoodnews hecomesback 2 AuntWangcamein wewerewatchingTV when while eg 我直到完成作業(yè)才去睡覺(jué) I tobeduntilIfinishedmyhomework 我一直等到他回來(lái) I untilhecameback didn t go waited 3 since 自從 以來(lái) since從句常用一般過(guò)去時(shí) 注意主句通常用現(xiàn)在完成時(shí) 但當(dāng)主句表示一種狀態(tài) 用一般現(xiàn)在時(shí)1 HetheresincehecametoChina 自從他來(lái)到中國(guó)就一直住在那 2 Ittwoyearssincehermotherdied Hermother twoyearsago Hermother fortwoyears 她的媽媽去世兩年了 haslived is died has been dead 二 條件狀語(yǔ)從句 由if 如果 引導(dǎo)的從句eg Iwillgototheparkifit notrain tomorrow 注意 條件狀語(yǔ)從句與以下句型的轉(zhuǎn)換1 祈使句 and then or 簡(jiǎn)單句 Ifyou you eg 1 Useyourhead thenyou llfindaway youuseyourhead you llfindaway2 Hurryup you llbelate Ifyoudon thurry you llbelate doesn train If or 2 without與條件句的轉(zhuǎn)化eg Mancan tlivewithoutwater Mancan tlive water 注意以上兩種狀語(yǔ)從句 時(shí)間狀語(yǔ)從句和條件狀語(yǔ)從句 的時(shí)態(tài) 但since從句例外 應(yīng)與現(xiàn)在完成時(shí)連用 Ifthereis no eg 1 I llcallyouassoonashe come back 2 Hewon tgotobeduntilhe finish hishomework 3 I llhelpyouifI be freetomorrow4 I live heresinceIcametoChina comes finishes am havelived 三 原因狀語(yǔ)從句 由because since for as引導(dǎo)的從句eg Hedidn tgotoschool hewasill 他沒(méi)有上學(xué)是因?yàn)樗×?注意 1 對(duì)because引導(dǎo)的從句提問(wèn)用why2 因?yàn)?because 所以 so 不能連用eg Becausehewas A ill so B hedidn t C gotoschool D yesterday 改錯(cuò) because B去掉so 補(bǔ)充 這四個(gè)詞都是表示原因或理由的連接詞 但是as because since是從屬連詞 引導(dǎo)原因狀語(yǔ)從句 for是并列連詞 所引導(dǎo)的不是原因狀語(yǔ)從句 而是表示理由的對(duì)等句子 是對(duì)前面所講內(nèi)容補(bǔ)充和說(shuō)明 在語(yǔ)氣上由強(qiáng)至弱依次為because since as for because引導(dǎo)的從句多置于句末 表示直接的原因或理由 表示產(chǎn)生那種結(jié)果的必然的因果關(guān)系 在回答why的提問(wèn)時(shí) 必須用because作答 如 因?yàn)橄掠晡覀兇粼诩依?Westayedathome becauseitrainedoutside Itrainedoutside sowestayedathome as與since引導(dǎo)的從句多置于句首 不過(guò)as表示十分明顯的原因 只說(shuō)明一般的因果關(guān)系 可譯為 因?yàn)?由于 而since則表示稍加分析 對(duì)方已知的原因 一般可譯為 既然 如 hewasnotfeelingwell Idecidedtogotherealone 由于他身體欠佳 我決定獨(dú)自去那里 everyoneishere let sstart 既然大家都到了 咱們就開(kāi)始吧 for引導(dǎo)的從句一般放在句末 其前用逗號(hào) 它所敘述的理由是間接的 即推測(cè)性理由 或是對(duì)前面敘述的事實(shí)或看法的補(bǔ)充說(shuō)明 如 Theremustbenobodyintheclassroom forthelightisoff 教室里一定沒(méi)有人 因?yàn)闊魷缌?推測(cè)性理由 As Since 四 結(jié)果狀語(yǔ)從句 由so that引導(dǎo)的從句 so后接形 副原級(jí) eg Heran A sofaster B thatIcouldn tcatchupwith C him 改錯(cuò) 注意 1 so that 否定句 與 too to 的替換eg 1 Heis young hecan tgotoschool Heis young gotoschool 主 從句主語(yǔ)相同 2 Heransofastthatwecouldn tcatchupwithhim Herantoofasttocatchupwith 主 從句主語(yǔ)不同 3 TheboxissoheavythatIcan tcarryit Theboxistooheavytocarry 注意carry后省去賓語(yǔ)it Bfast sothat tooto forus forme 2 so that 從句 與 enoughto 的替換eg 1 He ssostrongthathecancarrythebox He s carrythebox 2 ThequestionissoeasythatIcananswerit Thequestioniseasyenoughtoanswer toostrongto forme 五 讓步狀語(yǔ)從句though although注意 當(dāng)有though although時(shí) 后面的從句不能有but 但是though和yet可連用 it sraining theyarestillworkinginthefield 雖然在下雨 但他們?nèi)栽诘乩锔苫?Heisveryold hestillworksveryhard 雖然他很老 但仍然努力地工作 典型例題1 sheisyoung sheknowsquitealot A WhenB HoweverC AlthoughD Unless Although but 六 目的狀語(yǔ)從句引導(dǎo)目的狀語(yǔ)從句最常用的詞 組 是so sothat 從句謂語(yǔ)常有情態(tài)動(dòng)詞 inorderthat incase 以防 以免 等 e g Speakclearly sothattheymayunderstandyou 說(shuō)清楚些 以便他們能夠明白 ShehasboughtthebookinorderthatshecouldfollowtheTVlessons 她買(mǎi)了這本書(shū)是為了能夠跟上電視教程 Shehasboughtthebook followtheTVlessons Shehasboughtthebook followtheTVlessons Heleftearlyincasehewouldmissthetrain 他離開(kāi)的很早以防會(huì)誤了火車(chē) to inorderto 七 比較狀語(yǔ)從句比較狀語(yǔ)從句常用than so as as themore themore等引導(dǎo) e g Ihavemadealotmoremistakesthanyouhave 我犯的錯(cuò)比你的多多了 HeknowsasmuchasIdoaboutcomputers 關(guān)于電腦他知道的和我一樣多 Thebusierheis thehappierhefeels 他越忙越開(kāi)心 練習(xí)一 用適當(dāng)?shù)倪B詞填空 1 Dr BethunecametoChina hewasfifty 2 Hebegantowork hegotthere 3 Let sbeginourmeeting everyoneishere 4 IliketheEnglishpeople Idon tliketheirfood 5 yougoinChina youcanseesmilingfaces when after if but Wherever 6 Hedidn tcometothelecture hewasverybusy 7 wehadenoughtime wewalkedtothecinema 8 Theywillhelpyou youmeetwithdifficulty 9 wecametotheuniversity wehavelearntquitealot 10 Ididn tjointhemyesterdayevening Ihadtogotoanimportantmeeting because As when if Since because 11 Wewouldtrytogetacar wecouldalltraveltogethermoreeasily 12 Shewouldn tforgethermother sbirthday sheseldomwrotetoherfamily 13 Themeetingbecamesodiso