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概述, W/ |8 e# E; D% \) Q6 Y# p# m5 Q- C g; d
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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:! U9 w! H' X+ ]( G
, l, Z; i/ O( F0 e 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。7 ?2 y* p$ A9 O
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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。1 `9 X, v# I0 @# _2 y2 {
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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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' u$ k) t! d! l* O" U 难点释疑
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: B- w2 W9 Z& w$ u8 R% j 一、If型
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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:7 H- X6 ~/ d; i/ u* G
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2 o1 b! [8 r9 E1 N4 I6 k q从句% T L+ g7 f0 Q) p
主句, \- A! A* K# o r; U9 U
与过去事实相反
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would/could/might have done
4 @4 }9 ]5 k) v& j% i; N0 a与现在事实相反) D6 w! G) y6 q3 I) W, l
did/were8 b/ X( t- I4 ~# N$ E5 j6 ]# G; t
would/could/might do9 }# I! ^0 ?( Y3 q( ^" v7 J
与将来事实相反$ p3 A" c w2 i7 q, v
were to do/should do/did
" n6 Q9 U1 `! M) ]% Ywould/could/might do
; W Y$ Y, A/ y4 W 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:% @, S( x7 T2 i" G
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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 I# _: F5 M+ ]! @- ^% k0 Z" U
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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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' D1 ~. |6 L( ^' W 二、Wish型* e* b* Q6 ]" N" V( u
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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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0 q- o. E# ?. ~9 f8 q# a 与过去事实相反 wish that 从句的谓语动词用had done
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" M0 F" _0 P O 与现在事实相反 wish that 从句的谓语动词用did
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与将来事实相反 wish that 从句的谓语动词用would/could do
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6 M! G1 s# b' ]( z ` 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。
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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。2 B. L( h; H* `
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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。9 Q8 ~/ d v- }) f9 z6 u) ]
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2.由if only 引导的虚拟语气
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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
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. ~8 D6 ?# p0 X 例如:) T+ `1 O& w0 F# ]* q1 S
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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!
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# m: @$ B: z1 [5 r: Y) [ 3.由as if/as though 引导的虚拟语气
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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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与现在事实相反 as if/as though谓语动词用did
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* E# g Z4 _: F' t. Z4 v( z 例如:6 I! e+ E% C6 G6 L/ c/ x
1 C7 n/ ~1 h2 p* t S( b He talks about Rome as if he had been there himself.谈论起罗马来就像他去过似的。+ L+ Q; G& m& N6 e2 c, h5 u; Z
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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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9 v2 k' J5 E% x9 y* I: M 三、强制性虚拟语气
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; H/ I* J3 n% u$ |6 t" L& j 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: Z6 j2 |0 w* Y$ ?' N
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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。) v b& V7 w5 l( j4 d; R
% C: P7 E3 f2 ^, _" d7 B) v 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 z/ m9 h" w n( L; \, u6 v2 l
1 p% H% g7 P' _; S" ?5 Q+ q- M& ] 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。
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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:; S5 ^* m Q+ [6 N1 `* G
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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。
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" K; a1 d% {' u: Y 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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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)
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, Y2 a4 y- ~8 ^, q 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:! h/ O! v1 Q/ G- ~
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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。
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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。
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3 X# w% {) g& B& n! ` 四、其他类型的虚拟语气
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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:" B# u2 j- q* H6 w) c; g
3 }+ t: ?- f d2 g# F5 @ 与过去事实相反 would rather/sooner…谓语动词用had done
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4 h; \9 u) s# u. f; j# f 与现在、将来事实相反 would rather/sooner…谓语动词用did* [3 C; S/ U$ v9 _& H" p
( _8 c) m7 D! Y 2.由it is time引导的虚拟语气,谓语动词始终用did。
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% N! ?" C$ f" k8 ^ t: s 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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3 ]9 n H- R! ~ 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。" n( a; {5 @8 ~3 {% r* C
1 _. _. a+ F$ Y% n 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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# M- I. k% k- Y2 S2 x1 J9 e. @, q 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。7 a: b) Z/ ~: h, v. j
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5.表示祝愿或希望用虚拟语气,例如:
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# h% T( [; V" o* J+ Z Long live the queen! 女王万岁!# k9 C; f+ T' _5 j: c& q+ o/ r; M4 G
+ ~! O. u; L8 { God bless you! 上帝保佑你!
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5 I5 J6 q i, o1 p# @0 \ From:http://edu.sina.com.cn/en/2006-01-10/213235500.html |
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