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1、1狀語(yǔ)從句狀語(yǔ)從句分類(lèi):2狀語(yǔ)從句種類(lèi)連接詞注意區(qū)別:時(shí)間 狀語(yǔ)whe n/whe never/while/as/before/after/i nsta ntlyun til/till/by the time/as soon as/hardlywlno soonerthan/the moment/the minute/immediately有一些表示時(shí)間的名詞短語(yǔ)也可用來(lái)引導(dǎo)時(shí)間狀語(yǔ)從 句:the minute,the moment, every time, the first time例:The moment hereached the country, he started his sea
2、rch.他一到達(dá)這個(gè)國(guó)家,就開(kāi)始他的探尋工作。有一些表示時(shí)間的副詞也可用來(lái)引導(dǎo)時(shí)間狀語(yǔ)從句:directly例:Directly the master came in, every one was quiet.校長(zhǎng)一進(jìn)來(lái),大豕就安靜下來(lái)】en/directlyas 和 when、while :as, when引導(dǎo)短暫性動(dòng)作的動(dòng)詞。 當(dāng)從句的動(dòng)作發(fā)生于 主句動(dòng)作之前,只能用when引導(dǎo)這個(gè)從句,不可用as或while。從句表示隨時(shí)間推移連詞能用as,不用when或while。till/until和nottill/until:Un til可用于句首,而till通常不用于句首。也點(diǎn) 狀語(yǔ)where/
3、whereverwhere,表示某一個(gè);wherever,表示任何一個(gè)。原因 狀語(yǔ)Because/as/si nce/now that/forbecause 和 since、for、as、now that:because語(yǔ)勢(shì)最強(qiáng),用來(lái)說(shuō)明人所不知的原因,回答why提出的問(wèn)題。 當(dāng)原因是顯而易見(jiàn)的或已為人們所知, 就 用as或si nee。由because引導(dǎo)的從句如果放在句末, 且前面有逗號(hào),則可以用for來(lái)代替。但如果不是說(shuō)明 直接原因,而是多種情況加以推斷,就只能用for。now that都表示既然now that一疋要是現(xiàn)在發(fā)生的,si nee可以是現(xiàn)在,也可以是過(guò)去和現(xiàn)在。條件 狀語(yǔ)f
4、/unl ess/once/in case/as long as/on con diti on that多用一般時(shí)態(tài),如果表示一般將來(lái)的情況,就用一般現(xiàn) 在時(shí),如果表示過(guò)去將來(lái)的情況,就用一般過(guò)去時(shí)。目的 狀語(yǔ)so) that,/in order that/for fear that/ in case/lestso that禾口in order that后常接may, should, could, would等情態(tài)動(dòng)詞結(jié)果狀語(yǔ)sothat, suchthat其規(guī)律由so與such的不冋詞性決疋。such是形容詞, 修飾名詞或名詞詞組,so是副詞,只能修飾形容詞或副詞。so還可與表示數(shù)量的形容詞
5、many, few, much,ittle連用,形成固定搭配。比較狀語(yǔ)han/a sas not so/asas/the morethe more方式狀語(yǔ)as if, as though, as, (just)as-so,as if和as though引導(dǎo)的從句一般用虛擬語(yǔ)氣。讓步狀語(yǔ)/Though/although/evenif/even though/as,no matterwhat/who/which/how/when, whatever/whoeverwhichever/however/whenever,whether-or-(不管-都)as在讓步狀語(yǔ)從句中常用倒裝形式;althoug
6、h和though用正常語(yǔ)序,可和yet連用,但不可和but連用時(shí)間狀語(yǔ)從句:when (當(dāng). 的時(shí)候)before (在. 之前)as soon as (一. 就.while (在.期間)since (自從.以來(lái))after (在.之后)as (當(dāng)?shù)臅r(shí)候,一邊一邊)till/until (直到)hardlywhen(剛 就)nottill/until(直至U才)no soonerthan剛 就3狀語(yǔ)從句no matter+what/which/where/who/when =whatever/whichever/wherever/whoever/whenever(不論什么/哪一個(gè)/哪里/誰(shuí)/何
7、時(shí))比較狀語(yǔ)從句:as(正如)asas(和-.一樣)not as/soas(不如)than(比 更)the+比較級(jí)+the+比較級(jí) (越越)條件狀語(yǔ)從句:if(假設(shè))unless(如果不)so long as(只要)on condition that(如果)方式狀語(yǔ)從句:as(像. 那樣地)just as(正像)as if(好像)as though(好像)各種狀語(yǔ)從句的簡(jiǎn)化方法:狀語(yǔ)從句由when/while/as/once/whenever引導(dǎo)的時(shí)間狀語(yǔ)從句當(dāng)主句的主語(yǔ)和 從句的主語(yǔ)口致 時(shí),且謂語(yǔ)動(dòng)詞為be,常省略從句的主語(yǔ)和謂語(yǔ)be.祥解請(qǐng) 看 狀語(yǔ) 從句由if/unless引導(dǎo)的條件狀
8、語(yǔ)從句由though/although/even though/even if引導(dǎo)的讓步狀語(yǔ)從句由because引導(dǎo)的原因狀語(yǔ)從句由wherever引導(dǎo)的地點(diǎn)狀語(yǔ)從句1.以after和before引導(dǎo)的狀語(yǔ)從句的主語(yǔ)若與主句主語(yǔ)一致時(shí),從句等于after/before+doing sth.作狀語(yǔ)。例After she sang,she left the rich mans house.= After singing,she left the rich mans house.2.以as soon as引導(dǎo)的狀語(yǔ)從句的主語(yǔ)若與主句主語(yǔ)一致時(shí),從句等于on+doing sth.,作狀語(yǔ), 此時(shí)的動(dòng)詞
9、為 非延續(xù)性動(dòng)詞。例:Mary began to operate on the wounded soldiers as soon as he arrived at the village.=Mary began to operate on the wounded soldiers on arriving at the village.3.時(shí)間狀語(yǔ)從句和條件狀語(yǔ)從句的主語(yǔ)和主句主語(yǔ)一致時(shí),有時(shí)可簡(jiǎn)化為不定式作狀語(yǔ)。例:She stopped when she saw her husband = She stopped to see her husbandIf you want to unders
10、tand the farmers,you must go to the countryside.=To understand the farmers, you must go to the countryside.4.結(jié)果狀語(yǔ)從句和目的狀語(yǔ)從句的主語(yǔ)與主句主語(yǔ)一致時(shí),可以簡(jiǎn)化為不定式作狀語(yǔ);若兩者主語(yǔ)不一致時(shí),則應(yīng)簡(jiǎn)化為不定式的復(fù)合結(jié)構(gòu)作狀語(yǔ)。例:He was so tied that he couldnt go any further.= He was too tied to go any further.I came here so that I could ask some questi
11、ons. = I came here(in order) to ask some questions.5.以when,while引導(dǎo)的時(shí)間狀語(yǔ)從句和以if引導(dǎo)的條件狀語(yǔ)從句的主語(yǔ)若與主句主語(yǔ)一致時(shí),從句等于whe n/while/if +do ing sth.作狀語(yǔ),表示謂語(yǔ)動(dòng)作發(fā)生在該狀語(yǔ)動(dòng)作的進(jìn)行過(guò)程之中。例:When he turned on the radio,he found it broken.= When turning on the radio,he found it broken.While she was walking along the street,she was h
12、it by a car. = While walking along the street,she was hit by a car.6.原因狀語(yǔ)從句的主語(yǔ)與主句主語(yǔ)一致時(shí),可簡(jiǎn)化為分詞短語(yǔ)作狀語(yǔ)。例:Since l didnt know Chinese,I tried to speak to her in English.= Not knowing Chinese,I tried to speak to her in English.注意:形容詞短語(yǔ)也可作表示原因的狀語(yǔ),來(lái)代替原因狀語(yǔ)從句,放在句首、句末均可,但一般應(yīng)加逗號(hào)。例:As he was thirsty and eager to
13、get a little rest,he went into the tea-house.=Thirsty and eager to get a little rest,he went into the tea-house.7.在時(shí)間、原因、條件等狀語(yǔ)從句中,若從句和主句主語(yǔ)不一致時(shí),可簡(jiǎn)化為分詞復(fù)合結(jié)構(gòu)作狀語(yǔ)。有時(shí)也地點(diǎn)狀語(yǔ)從句原因狀語(yǔ)從句目的狀語(yǔ)從句where (在那里)wherever(無(wú)論哪里)because (因?yàn)椋﹕ince (因?yàn)椋热唬゛s (由于)for (為了)now that(既然)(so)that=in order that(以便)so as結(jié)果狀語(yǔ)從句:so+adj.
14、/adv.+that(如此.以致)such+n.+that(如果.以致)讓步狀語(yǔ)從句:though/although不可同but連用。though/although(雖然)however(not)to(以便不)in case(以免)lest(以免)so that(結(jié)果.)that(所以,因此)(可是)even though(即使)even if(即使)4狀語(yǔ)從句可簡(jiǎn)化為with/without名詞或代詞十分詞(短語(yǔ))形式作狀語(yǔ)。例:When the film start appeared, the children got exited.= The film start appearing,t
15、he children got exited.If all the work is done, you can have a rest.= With all the work done,you can have a restNothing can live if there is no air.= Nothing can live without air.& 讓步狀語(yǔ)從句的主語(yǔ)與主句主語(yǔ)一致時(shí),可簡(jiǎn)化為分詞短語(yǔ)作狀語(yǔ);不一致時(shí),常簡(jiǎn)化為with或in spite of介詞短語(yǔ)作狀語(yǔ)。例:Although he faced his death,he didnt say anything
16、before the enemy.=Facing the death,he didnt say anything before the enemy.Although there was danger,he rushed out to carry the boy to safety.=In spite of danger,he rushed out to carry the boy to safety.三. 表示一就的結(jié)構(gòu)hardly/scarcelywhen/before, no soonerthan禾口as soon as都可以表示一就的意思,例:Ihad hardly / scarcely
17、 got home when it began to rain. I had no sooner got home than it began to rain.As soon as I got home, it began to rain.注意:如果hardly, scarcely或no sooner置于句首,句子必須用倒裝結(jié)構(gòu):Hardly / Scarcely had I got home when it began to rain. No sooner had I got home than it began to rain.四. As 引導(dǎo)的讓步狀語(yǔ)從句的倒裝:1.形容詞+as+主語(yǔ)+系動(dòng)詞:例:Tired as he is, he offers to help me.盡管他已經(jīng)很累了,他還是主動(dòng)提出幫助我。2.過(guò)去分詞+as+主語(yǔ)+系動(dòng)詞:例:Well-known as the book is, the author is not satisfied and prepared to revise it.盡管這本書(shū)寫(xiě)
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