标题: 虚拟语气 [打印本页] 作者: vivian 时间: 2014-8-17 12:36 标题: 虚拟语气 概述6 s: G' P. W7 H# S4 T
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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: ! M$ Z- s. B% V6 ? & J6 q% X& e5 `/ @" r- r 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。/ P* w4 p, h3 I
6 v) `9 C0 E \ 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。 * ]/ P: E0 s; u9 }4 X ( X. ?8 H* W! O. y) k* r4 O 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。0 l E: b3 o' K& `9 s: K
* I* K3 r/ v2 p 难点释疑 k% _# K" w. Z, m5 ~) C1 w$ G" V8 o; V1 N& H% z
一、If型0 f; f7 r( _# g' t+ e
4 I6 X6 B7 n1 Q6 g# j ] If条件状语从句表示的虚拟语气,其句型结构如下: # S M9 O$ F# j1 A4 W: z 6 }: x, e! S: D; d% {9 f: s# Z 5 { v, B7 B6 K. F从句 / ^. M0 ], L6 ^7 n" S* Q7 B$ o3 J主句& F% F% A2 U$ O/ l; x- {
与过去事实相反- w! e* n4 n( U4 q7 D
had done " Q! z9 G# z, h9 a3 A bwould/could/might have done , `- u8 n" N$ R0 _) n# J与现在事实相反 6 q0 x$ @/ V3 }8 b( H" h+ Adid/were$ B. S4 k- y6 |+ E
would/could/might do1 V% i8 x% k1 v3 u% T* U
与将来事实相反: y# h; n! \% u0 R' s& @$ g
were to do/should do/did6 T* r2 z5 N# ?- ~
would/could/might do - j. B0 s- {+ ~+ w, m( y! M7 E, ] 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: ) o' J7 W8 U! a, B. N5 [ 7 w* T3 d$ q: d7 p: h6 {+ y 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。4 `* w* m Y/ @) ^- \
5 X2 c6 w8 t+ g9 m# { 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。 7 Q0 F/ i' C/ |. s" ?' L ! m5 l4 T8 i7 G$ u5 k- Y) H# W 二、Wish型 ' G2 f- s7 N' l3 I r8 ^ ( ^6 b1 u6 I( Z3 l5 H 1.wish后的宾语从句用虚拟语气,其句型结构如下: 1 \0 E+ H. j7 H5 {; g ! z3 P: A4 n8 x, O3 ` 与过去事实相反 wish that 从句的谓语动词用had done3 K7 ~* ^) [# w1 l d
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与现在事实相反 wish that 从句的谓语动词用did 3 S* T4 p- s1 S: B- P) B0 k : c2 v* S- N3 V8 p. t1 } 与将来事实相反 wish that 从句的谓语动词用would/could do2 {9 R# n a+ w' c
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例如:. D5 U4 v% s; e$ l J8 d
) r1 f) Q* Z! `. V! T$ c I wish they would change the menu.他们要是改变一下菜单就好了。 , z$ N" p1 Q) E# i# b1 ]2 G 1 f) C' z$ t/ i" x I wish I hadn’t spent so much money.我要是没花那么多的钱就好了。; C) O# o+ c+ k) `* q- ^. n4 @9 |" o
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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。 6 |+ ]5 Q; l0 U: z8 U) t8 }9 C7 J2 Y* ~* q8 K
2.由if only 引导的虚拟语气 9 L5 k/ U+ K! I P2 p% y0 |$ m. n8 c( `7 d4 P) e
与过去事实相反 if only 谓语动词用had done - }( u, V+ Y: |: i8 w8 P8 r2 g8 K& A# H) o6 l' _
与现在事实相反 if only 谓语动词用did - p: l j: u- q; H r* i . J8 [, B& [4 u% i6 @# z6 h8 a3 m 例如:+ @* C {( m8 h' B
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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! . P) j) n* l1 o' Z7 u( y: A" P+ n5 z! c
3.由as if/as though 引导的虚拟语气 8 C, I& ^0 ^2 c: `' T1 f6 G* p 9 n( e( O0 [0 T/ o7 q0 l 与过去事实相反 as if/as though谓语动词用had done; A) l5 A6 O+ X" Z8 }+ x6 y) a
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与现在事实相反 as if/as though谓语动词用did ! {3 M) X! x2 l% |( e) h( S# x$ g" E% K5 v" h8 h9 ~9 D
例如: ) v6 _, C" z! m. Y0 o/ \! Z : s/ K: X) G0 N; i- E He talks about Rome as if he had been there himself.谈论起罗马来就像他去过似的。 : T6 E9 k& I7 r2 W3 y7 L0 r1 c" c6 @* w) a$ {7 p' I
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。 ( w8 p" Y# w3 ~) r4 G& o( Y+ q; b- L
三、强制性虚拟语气 ' U* r! s- I1 ]4 X0 h& m4 _2 I
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:9 |( {8 G f$ u% N! Q6 X3 W
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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。 9 `3 w* m& n( G7 [- ~5 h3 n2 t. r$ b2 D0 p% M8 k7 h
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:4 B2 ^; @- J/ H6 G) O3 ~" u
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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。 1 s# r4 P w+ k+ L+ E ' q; O; V, F9 N+ N 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:5 S7 j: z1 z* q
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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。$ Y1 Z& v) u9 x, 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) 4 |4 B1 c. R) }) R% [, a4 X' }2 P+ z* \% }* Y
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) \/ ~& F! P8 y * F& _+ F W7 i) ?: { 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:( z4 `5 i5 j: u1 x6 R) K
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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。2 ^( k% ^& x2 D' V8 ]- ~
0 J4 G. I" k7 ^/ H- q 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。( C9 I9 K( _8 C! K5 ?8 R& o/ e& X0 ]
4 I( D7 Z9 D! x! h+ G8 t2 G6 s 四、其他类型的虚拟语气- k1 f J/ d' I* [5 T) y5 b
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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: ' H& K) g( e8 J, @ 9 m" w5 p) H/ f+ D" w4 I# Y7 n4 t 与过去事实相反 would rather/sooner…谓语动词用had done! _) B9 B4 W1 @& G/ |% U
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与现在、将来事实相反 would rather/sooner…谓语动词用did + z5 G7 E# \& i3 R' j% h6 B% x' u, A$ g
2.由it is time引导的虚拟语气,谓语动词始终用did。2 Z! E" q5 n8 `; F; Z' Z
2 c( P' [7 H) w1 I8 f 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:; k# E5 {+ A* c3 R! L: A, w8 Q
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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。 , x N3 k u' R. B# l/ n 0 u! L, _' I' N1 ~: B2 H! d9 C @ 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:. C; q5 q+ r* N5 x* k3 u9 h
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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。/ v$ c+ v6 x$ K
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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。4 O% p& X9 k1 w$ P9 L( P7 P
- A0 A" x& x( z6 l5 M6 V' D1 O 5.表示祝愿或希望用虚拟语气,例如:0 x2 ~) a9 k [9 X" z
' O1 Y7 o/ m i# `2 [3 ~+ l6 q r Long live the queen! 女王万岁! & n. V5 @; p( N1 L ) M+ k5 e. y2 X5 W( [- B' B* d God bless you! 上帝保佑你!: r5 m/ F7 z- ?
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