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概述
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2 s$ ?, E- M9 @* I: n) r x$ N 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:
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- Q& j {$ ?4 M- j3 J: n) x 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。: [ ]! X7 v" a/ V$ S- y) v
7 a, q t: z/ R5 \$ v6 H+ t 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。# L. s) S$ o- \. s1 P* I( {
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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。' @# }. A# }0 N' U
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难点释疑
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! a& T$ x( l4 a% k 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: m- c1 P$ J* U
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从句
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# x6 U6 O% f8 C与过去事实相反3 g* N" A8 H8 U0 ~
had done
) a8 q- y7 T: N) S( W" [" L' }would/could/might have done
% Y3 v+ O9 H2 ]9 l! m6 `7 y _" ]与现在事实相反
' }7 x* {( r* Cdid/were
8 E3 `: O2 A% o* H8 @. ]* awould/could/might do$ O# {: i7 ?1 C/ x& G
与将来事实相反
1 ]: x( q7 J# e" d* W1 U$ R1 cwere to do/should do/did
* L0 h: h2 t! o' v1 O: \! uwould/could/might do
; n& b; u. T# v* H" S. @ 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。8 P( m7 p' m7 [4 |8 w/ D$ M
0 h) u, ~9 @5 y, {! \- J 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。3 `( w1 Q2 l9 {, D
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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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与过去事实相反 wish that 从句的谓语动词用had done& i/ A! R% w& G$ P% Z9 Q* d
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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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) u% u$ Z8 M6 L" }" o4 P5 S 与将来事实相反 wish that 从句的谓语动词用would/could do; R/ a, M$ ^$ P. M- g
1 h! m. f5 G0 R 例如:8 u6 Y- A1 K' K/ q; r7 q
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I wish they would change the menu.他们要是改变一下菜单就好了。8 q) H4 {# @) g+ R
, `' j3 o) r& i* X( c 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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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。
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2.由if only 引导的虚拟语气
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/ M0 g4 T8 b0 @6 ~$ }+ m 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) D2 \2 h4 O8 r8 ?5 x% r/ h+ y
B7 D: A; ?, ]+ ]5 \' R 例如:; h/ V6 V' ?9 O2 w, V$ i
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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!% \: A, r$ d& X# [( ^" K
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3.由as if/as though 引导的虚拟语气, r, L% V# W8 @- ?4 J- x, [/ O" B/ o7 ?% o
5 t# L6 g$ N# ]1 n; f5 b 与过去事实相反 as if/as though谓语动词用had done! z) ]' |5 X5 }# a
! X% T( f4 M u) i( X# k3 U; V 与现在事实相反 as if/as though谓语动词用did
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2 w# s+ q5 f% u1 } 例如:
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5 w* W0 H. _$ w5 t 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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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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# U5 S5 ]8 i* z3 `- B) p 三、强制性虚拟语气
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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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3 i$ g, `1 g% C: @6 _5 h 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。
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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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" m1 v3 s2 F! d# ] 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。8 M; [2 e3 X& C
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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:
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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。) v9 z4 h. Y: _ v. L
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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)9 ^# _8 _1 ~) m6 u! b
3 H! i! n% E1 a1 x+ V 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)/ ?% A) T' Y5 c3 {5 n# N( L' h
1 S2 g6 T; q- F- V6 r 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:% t/ E1 K3 v" l$ I3 o& o
: ?2 C/ n" |/ {7 t: e* l 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。& @; W9 F3 C8 |0 a" c
/ p7 v; B* g1 {: b( |6 N, E 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。1 g# M7 A3 q% C6 y! J, u. {/ L# Z
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四、其他类型的虚拟语气
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# O, @/ o) o7 I7 S 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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. _, F9 y- R) @7 b0 `8 u; g- F 与过去事实相反 would rather/sooner…谓语动词用had done
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与现在、将来事实相反 would rather/sooner…谓语动词用did! H& I, K. a" f6 Q
; a, {( n7 ?8 X+ G ?* \ 2.由it is time引导的虚拟语气,谓语动词始终用did。. H8 m1 a L% j' g+ I
+ ?# [. e; \, D/ q1 B( r 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:; H- Q4 J# K3 h# x
; z0 |" y, O! X% ?7 l. O j0 } 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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5 ~! X+ F" Y# e 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:; e( z3 j; t7 A1 F% v% ^
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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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, a* S0 z% i3 {- h 5.表示祝愿或希望用虚拟语气,例如:) s6 E$ |1 Z6 r" h, G) _4 r
# I( h w+ g, p, n. ^9 N Long live the queen! 女王万岁!$ z; S: d$ r: F3 H8 k8 Y8 @
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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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