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概述6 W+ s9 C0 Q( h. C4 n2 G: a
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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: m3 {1 A1 p$ e, i$ G
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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。8 v0 Y, V3 H3 W9 n3 A C
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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。/ ]- \; {. r( A _$ I' r
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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。
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& j6 }+ X8 H0 V& Y. e- r7 E 难点释疑
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一、If型
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% {* @5 U9 y) H$ N: ? If条件状语从句表示的虚拟语气,其句型结构如下:4 h; R. X0 K( ~+ J- O
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# R& P* k$ N: i- ^2 f从句
, l6 E- E; G) D# G主句
, o' N: V6 |7 r9 W2 |- F* R与过去事实相反
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" z5 G+ y. h& R7 O/ L6 Wwould/could/might have done* n" I! [& Q8 {0 e" H
与现在事实相反) _, s- ]6 F; _1 [2 r# S! A
did/were
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与将来事实相反
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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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# \7 m. O9 \9 W- B 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。
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& N4 Q2 q6 s2 y* R2 n 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。: b# N8 h5 z4 w7 a0 o
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二、Wish型; m( }- @( p, p! K5 f; j; X
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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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6 O3 A b2 W6 p2 r 与过去事实相反 wish that 从句的谓语动词用had done1 p( ?, K3 V# K L
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与现在事实相反 wish that 从句的谓语动词用did7 V: T' _. y1 w5 `6 I
# n7 S8 E6 u- H 与将来事实相反 wish that 从句的谓语动词用would/could do
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0 {5 A; K3 \# T9 A. e$ { 例如:
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I wish they would change the menu.他们要是改变一下菜单就好了。/ k0 e# j3 x' C3 e5 u7 N; R$ C
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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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k6 H9 H0 c. T1 f: M) K8 @+ } 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。( V, ~3 E4 J1 l0 g1 p
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2.由if only 引导的虚拟语气8 H, e1 g& X1 ] d
) n. h2 I$ q7 E, e: s 与过去事实相反 if only 谓语动词用had done; W- j* H, P" N+ O: n/ G3 t4 f
q8 U, a. O. h: E% h 与现在事实相反 if only 谓语动词用did$ U/ a, v' R8 D& P6 b$ {( H
& q- Q) C }* u7 b 例如:7 F4 M: }( T# h% A! ?
i- h- E: ?2 O k1 r# f% G If only she had asked someone’s advice! 她要是征求了别人的意见就好了!5 h$ @# X& W& \. j% k5 n6 `
' ^$ Y. F- o1 K" T/ B. q8 J9 A, o 3.由as if/as though 引导的虚拟语气. x, Y1 U7 X! g3 \1 j* g7 K w
; n) P# [9 ]. ~( Y5 Y. P4 U- E( d9 {& \ 与过去事实相反 as if/as though谓语动词用had done8 E$ s" J/ g7 \+ y m
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与现在事实相反 as if/as though谓语动词用did
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例如:
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. K2 t! M ^& Y, S- S. I/ S He talks about Rome as if he had been there himself.谈论起罗马来就像他去过似的。
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5 Z, M8 @* ?5 B" T 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。
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三、强制性虚拟语气) K; m! U) g: u' N
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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:+ ]# ]7 {3 @+ a+ j/ K5 w
* [6 P7 ]/ d$ m% K& ]0 u 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。8 S0 G+ d Y L. d
3 \' R; B+ g. L2 M 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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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。$ D P3 f, p; c! u
* v$ s+ L I9 G- N R( G5 f 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:& Q$ B3 N. ^) T5 {
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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 e, L8 H( J% b
; B8 f! h+ G5 ]1 Q" e 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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) s1 H2 w% K! I9 m0 l 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)- @) ~, Q, |. \$ `! L7 T
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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:
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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。& F- s7 @/ t! D
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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。6 H' }* q* t( N; Z+ c# g% k
0 g2 I/ L9 B. ]( d" A" A 四、其他类型的虚拟语气* H( i0 o4 b1 d( |9 g' I6 Y
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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:2 `/ [$ d5 Y; }3 n$ j% D2 ~
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与过去事实相反 would rather/sooner…谓语动词用had done" ^3 s/ E' s3 }0 j5 a0 W
' W) | ]; `5 p 与现在、将来事实相反 would rather/sooner…谓语动词用did
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2.由it is time引导的虚拟语气,谓语动词始终用did。! Z& Q/ S6 S( u! `
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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:
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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。2 [- ~4 c6 \& K+ B9 Z% D$ y
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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:6 w4 P2 U. j2 H' Q. C+ P- l
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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。
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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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5.表示祝愿或希望用虚拟语气,例如:
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Long live the queen! 女王万岁!
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$ R/ O) I/ y1 E2 i- v God bless you! 上帝保佑你!
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# ?! t' w2 M" M/ m. P, |5 w From:http://edu.sina.com.cn/en/2006-01-10/213235500.html |
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