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1、語法講解之狀語從句,含義及分類,狀語從句主要用來修飾主句或主句的謂語。一般可分為九大類,分別表示時間、地點、原因、目的、結(jié)果、條件、讓步、比較和方式。,時間狀語從句,定義:指從句在句中作時間狀語。 引導詞:when, whenever, as, while, since, till, until, before, after, as soon as, once等 基本用法:,英語中時間關(guān)系表達法,Examples,After Christmas and New Year comes the Chinese lunar New Year - the Spring Festival. So man
2、y things had to be settled before I could leave New York. She was having a good time when I saw her in the park. While the train was still moving, a great many men suddently jumpled out.,In fact, ancient people celebrated the New Year even before they had ways of measuring time. Just go straight unt
3、il you reach the crossroad. Please write to me as soon as you arrive in Beijing.,when, as和while,1,當when, as, while表示“在一段時間里”,主從句的動作同時發(fā)生時,可以換用。如: While (When或As) the children were playing computer games, Mr. Smith came in. 2,when, while后可以接分詞短語 。如: When reading books, he likes to make some comments.
4、They bought a lot of things while spending their holidays in Paris.,when,When可指一段時間,也可指一點時間,既可指一時性的動作,也可表示持續(xù)的動作,因此其所引導的時間狀語從句的謂語動詞既可以用延續(xù)性動詞,又可以用瞬間動詞,其所引導的動作既可以發(fā)生在主句動作之前,也可以發(fā)生在主句動作之后,還可以表示與主句動作同時發(fā)生。,When I was teaching in that college, I used to go to the seashore on Sundays.我在那所大學教書時,周日經(jīng)常去海邊玩。(延續(xù)性動詞
5、,一段時間 ,主從句動作同時發(fā)生) When the lesson was over, we began our writing.下課以后我們開始寫作。 (瞬間性動詞,一點時間,從句動作發(fā)生在前) Help came when we finished the task.我們?nèi)蝿?wù)完成了才有人來幫我們。 (瞬間性動作,一點時間,從句動作發(fā)生在后),While,While:指的是“在某一時間里”,“在期間”,和同時從句里的動作必須是持續(xù)性的,切不可用瞬間動詞。 E.g. While he was in London, he made a lot of friends there. While:也可做
6、并列連詞,表示對照的意思。E.g. While we were watching TV, mother was cooking in the kitchen. While(表示讓步),盡管雖然 E.g. While I understand what you say, I cant agree with you.,as,as表時間,與when相似,引導持續(xù)性動作,但側(cè)重強調(diào)主從句動作同點或同段進行,可譯為“一邊一邊”。 He hurried home, looking behind as he went. I saw your sister as she was getting on the
7、bus yesterday. He sang as he walked.,一就,As soon as I saw him walking towards the diner, I would put his order in without him even needing to ask.一看見他向餐館走來吃晚飯,不用他點我就會把他的菜單拿進去準備。 The day her mother was back, Annie retuned Casey to the apartment so he would be there when Pat got home from the airport.
8、帕特度假一回來那天,安妮就把凱西送回了公寓,這樣帕特從機場回到家時就可以見到凱西,no sooner than和hardly/scarcelywhen,在no sooner than和hardly/scarcelywhen引導的時間狀語從句中,主句謂語動詞要用過去完成時。如果hardly, scarcely 或no sooner位于句首,主句要倒裝。 Hardly had we gathered in the square when it began to rain.我們剛在廣場集合,天就開始下雨了。 No sooner had the words been spoken than he re
9、alized that he should have remained silent.他剛說出了那些話就意識到了他本該保持沉默的。,原因狀語從句,引導詞:because, since, as和for I exercise and eat well because I love living, not because I want to lose weight. As some people are crazy about keeping fit nowadays, different fitness methods are practiced in order to control their
10、 weight. Since that is the case, let us invite wealth. He must be ill, for he is absent today.,結(jié)果狀語從句,1, sothat結(jié)構(gòu) Eventually, she became so badly affected by the drugs that she decided to quit on the spot. 由于深受毒品之害,她終于下定決心立即戒毒 a: so+形副that b: so+形a(an)單數(shù)名詞that c: somany/much復數(shù)名詞(不可數(shù)名詞)+that,He was s
11、o sure of his ability that he decided to become a famous artist. This is so beautiful a Christmas tree that it makes all the children cheer up. There are so many young people coming to the game .,2, suchthat結(jié)構(gòu),suchthat結(jié)構(gòu)表示“如此以致于”,引導結(jié)果狀語從句。該結(jié)構(gòu)常見于: a: sucha(an)形名詞that b: such形復數(shù)名詞不可數(shù)名詞that He is such
12、an intelligent engineer that he soon solved the problem. It was such bad weather that we had to stay at home all day.,so that,so that既可表示目的“以便”也可表示結(jié)果“結(jié)果”。區(qū)別在于從句的謂語動詞中如有情態(tài)動詞則表目的,如無情態(tài)動詞則表結(jié)果。 It has become so popular that many American hotels and restaurants put up big screens so that their guests can watch it, too.,讓步狀語從句,條件狀語從句,If I had stayed in business, I might be a really wealthy man today. I really cant see how he received his post, unless he is perhaps a relative of the President.,方式狀語,每日詞匯,perforemance 表演 表現(xiàn) enjoy the perforemance puzzle 難題 使為難 tire v 使疲憊 厭倦 勞累 be tir
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