高三英語總復習精品課件：第11講狀語從句

1、第門講狀語從句wl Zh dn gDi an d i eXi重點解祈 I I I I 1狀語從句是由從句來充當狀語的句子，其在句子中可修飾 謂語動詞（或其他動詞）、形容詞、副詞或整個句子。它可以用 來表示時間、地點、原因、目的、結果、條件、方式、比較、 讓步等。一、狀語從句的引導詞狀語從句引導詞例句時間狀語 （從句while （謂語動詞必 須是延續(xù)性動詞）， when （謂語動詞可 以是終止性的，也 可以延續(xù)性的）,as （當?shù)臅r候，強調“一邊一 邊J1Please keep quiet while/when others are studying彗別人正在學習時，請保持 安靜。When I

2、went into the lab, the teacher was doing an experiment.（止匕處 when 不 能換成while）昌我走進實驗室時，老 師正在做實驗。AsAVhenAVhile I was walking down the street, I noticed a police car.當我沿 著大街散步時，我注意到一輛警車。till/until （直 到）， not.until/till （直 到才）They played volleyball until/till it got dark.（延續(xù)性動詞）他們打排球直劉天 黑才結束。He didnt go

3、to bed until/till his father came back（非延續(xù)性動詞）直到他父親 回乗他才睡覺。續(xù)表狀語從句引導詞例句地點狀語 從句where, whereverMake a mark where you have a question.在你有問題的地方標個記號。 Sit wherever you like坐在你喜歡的地 方。條件狀語 從句（真實/非真實）:if (不 能用 whether 替換)，unless, so/as long as, on condition that, so/as far as, if only (=if)If he is not in the

4、 office, he must be out for lunch如果他不在辦公室，那一定 是出去吃午飯了。You may borrow the book so long as you keep it clem你可以借這本書，只 要你讓它保持干凈。續(xù)表狀語從句引導詞例句原因狀語從句because, since, asHe had to stay at home yesterday because he was ill昨天他必須待在家 里，因為他病了。Since everyone is here, now let!s begin. 大家都到齊了，現(xiàn)在開始。結果狀語 從句貽so that, so.

5、that, such. thatHe was so excited that he jumped from the sofa.他如此激動以至于施從沙發(fā) 上跳了下來。目的狀語!從句so, so that, in order that, in case （以防， 以免）1Speak clearly, so that they may understand you.說清楚些以便他們都 能聽懂。He left early in case he should miss the train他早早地離開，以防誤了火車。續(xù)表狀語從句引導詞例句讓步狀語 從句although, though, as, even

6、if/though, however, whatever, whether.or, no matter who/ when/what.Child as he is, he knows a lot盡管他還 是個孩子，他卻知道很多。Whatever ( = No matter what) you say, Ill never change my mind不管你說什么我 都不會改變主意。比較狀語從句than, so/as.as, the more.the more.I have made a lot more mistakes than you have 我犯的錯誤比你犯的多得多。The busie

7、r he is, the happier he feels越忙 他覺得越快樂。方式狀語 從句as, as ifVthough, the way, rather than.You must do the exercise as I show you. 你必須按照我教你的去做練習。He acted as if nothing had happened從他 的舉止行為看，似乎什么也沒發(fā)生過。二、使用狀語從句時要注意的幾個問題1.在時間和條件(有時也在方式、讓步等)狀語從句中，主 句是一般將來時，從句通常用一般現(xiàn)在時表示將來。I 2.在有些時間、地點、條件、方式或讓步狀語從句中，如 果從句的主語與主句主語一致(或雖不一致，但是it),從句的謂 語又包含動詞be,就可省略從句中的“主語+be”部分。女口：If (