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概述& |* B% s+ m* K. o; d* o; y; K
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语气是用来表示说话者的意图和态度的。尽管英语中有陈述语气(indicative mood)、祁使语气(imperative mood)、虚拟语气(subjective mood),但是虚拟语气是各种英语考试中考察最多的一种。虚拟语气在英语里主要用来表达:$ }7 ^, o" a6 S
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1.非真实的情景,不可能发生的事,即某种与事实相反或难以实现的情况,或说话人的主观愿望。
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; h1 r8 ?' s% _: F+ P8 D8 d 2.强制性虚拟语气,表示建议、命令、劝告等意思,表示强烈地要求做到、必须做到这样的含义。
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. w& d5 D. V# a( F5 h U4 T3 P1 ~ 虚拟语气的表达形式是通过动词的变化形式表达的,其特点是主从句时态的不一致,而起一般有明显的标志。) z, S* \& k6 d! P7 \6 p0 ^
1 ]# _/ g9 [& {% Q) M6 b6 C4 ` 难点释疑
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2 F% b x. g0 A+ Q 一、If型$ @6 e2 i4 ^; k) y3 c4 i
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If条件状语从句表示的虚拟语气,其句型结构如下:
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从句; z! N8 B9 p& x' |: `1 Z+ ]
主句
' H+ ^ i& h& Q; o) C: t, r& Y6 F" l: h与过去事实相反2 X$ _: c5 W, l" r6 L
had done8 T: M0 |% r' M7 g1 y
would/could/might have done
F3 B" [! q r. J0 D8 T; H1 q与现在事实相反
/ D( I I6 X) A8 n. _; M4 l2 Mdid/were( c1 l! e* N- x3 _
would/could/might do
' [7 P# Q3 B: u8 L! b2 i& }与将来事实相反4 L4 i7 p N, x8 _; u$ x$ s
were to do/should do/did$ B) J/ {% [- D; N" L. Q1 s* u
would/could/might do
/ M5 I$ [6 M2 G7 W4 g( q5 _5 o$ _# v 特别值得注意的是,这种虚拟语气的形式存在交叉虚拟,即如果从句发生的动作和主句发生的动作不一致(例如:从句动作发生在过去,主句动作发生在现在),谓语动词要根据表示的时间进行调整。例如:
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If Peter had applied for the post, he would probably get it now.要是彼得申请了那职位,他很可能现在就得到了。3 ^7 j, @/ }6 ]/ Y
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If he had left for Shanghai yesterday, he would get there now.如果他昨天动身去上海的话,他现在已经到那里了。
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: V/ p4 k. I% N7 F$ A: \% J 二、Wish型
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1.wish后的宾语从句用虚拟语气,其句型结构如下:
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) _4 y3 L0 [$ D1 a7 i 与过去事实相反 wish that 从句的谓语动词用had done
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与现在事实相反 wish that 从句的谓语动词用did
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+ J9 g" k8 r. V9 s7 B$ N) n 与将来事实相反 wish that 从句的谓语动词用would/could do4 j: t1 `( s# k2 k
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例如:( U: Z$ u6 e* n& ~7 p* |* g9 L
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I wish they would change the menu.他们要是改变一下菜单就好了。
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I wish I hadn’t spent so much money.我要是没花那么多的钱就好了。
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, R" m& ]+ @( i% X! n 同样地,在as if/as though引导的宾语从句中和以if only引导的带有感叹色彩的虚拟语气句子中,谓语动词与wish引导的宾语从句中的虚拟形式相同。" Q" V! b- [/ N9 u5 @6 x5 F
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2.由if only 引导的虚拟语气4 C" v. o0 p2 H9 t3 P4 x2 p- m
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与过去事实相反 if only 谓语动词用had done
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与现在事实相反 if only 谓语动词用did% W9 { L! I9 h k1 \- X# |: m! g4 L4 F
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例如:" r9 P! _8 e: x2 x' x
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If only she had asked someone’s advice! 她要是征求了别人的意见就好了!( q M: t1 |, Q' D
2 @. D+ ]; j! l% Y) D 3.由as if/as though 引导的虚拟语气9 ]2 |, t$ u: x4 C1 G& P s* T+ b
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与过去事实相反 as if/as though谓语动词用had done
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U4 B# a+ i6 O/ Y 与现在事实相反 as if/as though谓语动词用did2 u9 J. S3 y* Z9 Y4 B3 k! \/ T+ H
" o( W e6 H k 例如:
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He talks about Rome as if he had been there himself.谈论起罗马来就像他去过似的。: t* w: h/ H [$ k: M0 h
$ ]2 G( Z& w3 H+ n9 q3 s He orders me as though I were his wife.他向我发号施令就好像我是他的妻子似的。+ H- L( p0 q0 S' G- H# `5 ^
Z4 g9 m+ }$ A( {5 @8 J) P8 i 三、强制性虚拟语气+ H( X n5 d1 e3 a7 K0 J8 w* K8 P. i# Y# g
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1.表示建议、命令、劝告、决心等主观色彩的动词 + that + (should) + 动词原形,其中should经常被省略。这类动词包括:advise,ask,command,decide,decree,demand,desire,determine, direct,insist,maintain,move(动议,规定),order,prefer,propose,recommend,require,stipulate,suggest等等。例如:
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7 a, P/ E7 v0 k It is politely requested by the hotel management that radios (should) not be played after 11 o'clock at night.酒店管理人员恳请房客在晚上11点之后不要打开收音机。& V; F4 c( T Y Z1 P
, Y7 r4 e t# O- I4 } 2.以上动词转化为名词,如suggestion,proposal,demand,order,command,advice,desire,requirement,request,agreement,determination,preference,resolution,indication,后接同位语从句或表语从句时,从句要求用虚拟语气,其谓语部分用should + 动词原形,should可以省略。例如:
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# G- o; N# ^/ W, O+ f6 U9 b& ~ We are all for your proposal that discussion should be put off.我们都支持你推迟讨论的建议。9 Y+ z2 l3 `8 [* k0 u" j: `
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3.值得注意的是,只有suggest意为“建议”、insist意为“坚持认为”时,从句用虚拟语气,当suggest意为“暗示”、insist意为“坚持说”时,从句不用虚拟语气。例如:1 d( ^4 u% U& _( M/ S, f
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When the son suggested that they should go to park on Sunday, the expression on his father suggested that he agreed with him.当儿子提议星期天去公园时,父亲用表情表示了默许。% G! J+ A# m$ k( h3 k
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The boy insisted that he didn’t cheat in the exam.这个孩子坚持说他没有在考试中作弊。(考试已经结束)
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& h+ a& v7 Q4 N. u The boy insisted that he shouldn’t cheat in the exam.这个孩子坚持认为不应该在考试中作弊。(考试还未进行)+ ]" ?6 X+ c6 `' ^- [
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4.It is/was + 形容词/过去分词 + that + (should) + 动词原形,这些形容词主要表示必要性、重要性、强制性、合适性、义务性,即某人对某事的反应。这类词包括:important,natural,desirable,possible,astonishing,advisable,anxious,appropriate,compulsory,crucial,eager,essential,fitting,imperative,improper,necessary,obligatory,preferable,proper,urgent,vital,shocked,requested,amazing,strange,odd,ridiculous,surprising,unthinkable,incredible等等。例如:( s: `" y' V9 l# W i2 N; @) K5 u- ~
* p4 g5 j9 ]- _. B# [* z, i% @ It is important that students graduating from universities should have not only theory but also practice.大学毕业生不仅要有理论知识,更要有实践经验,这一点很重要。) z' J# s& H7 P N5 o( r
- R' |) E* T! i! {" C3 D It is surprising that they should kill the time like that.他们竟然这样打发时间,真是太奇怪了。
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, N1 R- Z9 U4 o) a5 F, Q 四、其他类型的虚拟语气( m2 K7 z1 [( a! L6 E
' ?( W3 p0 m4 o: G* t 1.由would rather/sooner,would sooner,had rather,would just as soon,would prefer等结构引导的虚拟语气,其句型结构如下:
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与过去事实相反 would rather/sooner…谓语动词用had done
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+ G' G; T: i. J( G- d6 N 与现在、将来事实相反 would rather/sooner…谓语动词用did M3 s( ]7 |( B
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2.由it is time引导的虚拟语气,谓语动词始终用did。- [4 U6 I4 t& Y$ U+ _+ u# x' D
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3.在lest that,for fear that,in case that,引导的表示消极意义的目的状语从句中常用虚拟语气,结构用should + 动词原形。例如:# D$ W4 [' N8 z4 ]% g: T8 y, ^
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I keep some candle in the house in case that electric power should fail.我在家里备了些蜡烛,以防断电。
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4.含蓄虚拟条件句是指没有出现用if 引导的条件句,而条件句的意思是用其他方式表达的。如:without,but for,otherwise,or,but that,given,provided,supposing,were it not for等等。例如:
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Given me more time, I would have worked out a more perfect scheme. 再给我一点时间的话,我本可以设计出更加完善的方案。2 a- t7 ]8 d# {; D" M
0 r( B, S9 r+ y; _# t7 b Were it not for your help, I would haven’t finished the work on time. 要不是你的帮助,我不可能按时完成工作。
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m6 r" c# e' q. u) A7 O 5.表示祝愿或希望用虚拟语气,例如:
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' }5 U( u+ A( k6 d7 K Long live the queen! 女王万岁!7 _8 A9 c8 S' f: X/ S3 \' U0 z
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God bless you! 上帝保佑你!
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From:http://edu.sina.com.cn/en/2006-01-10/213235500.html |
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