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概述
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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:
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7 Z& G" Q; a8 S7 n3 j7 ] 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。& ^. T* U( i0 q7 |- o( c9 v
% y4 [! t0 l& f1 w- d( C. d+ A 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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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。) U0 P$ F+ N4 F& m. ?6 I% K/ U
/ s0 k9 K% }) A 难点释疑
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, L9 @. j" o( } 一、If型
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! N; z( U h5 z% C' `) S0 C0 i# m 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
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与过去事实相反
8 v' [' Z! d1 X4 z8 N8 k9 M P0 Lhad done
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与现在事实相反/ r2 N( e7 g7 D3 s$ u5 n
did/were0 k- S& W2 L* Z. ]$ ]
would/could/might do! _% Q" d9 C4 T; X G$ o1 f p2 `
与将来事实相反( p0 J( @& T( v+ `& K" [
were to do/should do/did
4 A. P6 _) m$ i: ~) rwould/could/might do
/ J( o, l4 D7 |8 z 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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5 H9 R ~2 p' y! K% d* e 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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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 H: O# Z0 o9 k8 j) X# p
8 W5 Y3 _# c% z$ G# Z! n' Y 二、Wish型; O( f6 E2 f, |3 d* f
& y6 F( f g, v+ g! f( Q 1.wish后的宾语从句用虚拟语气,其句型结构如下:1 ?" j0 y6 Y0 |4 ]' G! K0 y
2 W4 h" q, v" h& ^/ e 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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1 g8 {/ ~# E [7 R: t 与将来事实相反 wish that 从句的谓语动词用would/could do! P% _; }! W# C. ]' ?! j6 \
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例如:; _. E+ @' i3 a
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I wish they would change the menu.他们要是改变一下菜单就好了。! e6 Q- X9 F* O! |( G7 q/ `
: k; `/ x6 n" x: K p5 o: Z/ s+ ~ 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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! m7 f( z* y5 b, A! e j 2.由if only 引导的虚拟语气4 \+ ]) Z6 j! ^! g* R' H* n3 q0 @
! H; e4 J6 E1 i9 [6 j8 v6 M0 s 与过去事实相反 if only 谓语动词用had done+ i4 s5 x$ F; A' u& g( w- r! U
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与现在事实相反 if only 谓语动词用did/ E! F, F3 F2 v' S
, p6 d5 Q0 {3 |" X; g 例如:+ ]0 A2 [. X# Z# z
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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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& @2 r q! X, v- I% q 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 done2 h# ]( K- f1 t# y* }" R+ G3 K
3 a6 ]% k' C$ [: U8 v 与现在事实相反 as if/as though谓语动词用did+ Q5 ], j8 G# E3 N: X9 {; z
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例如:7 R* C8 o% w0 h0 ^' {
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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。, O- e: _3 O% [3 I1 X
" A- @7 c' k! ^ 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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' @+ j0 I! `3 L 三、强制性虚拟语气
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5 j! L' b1 {/ \1 R& d3 v' m 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:8 r" T2 n7 J) S+ L: f
6 C2 I! M3 O" T8 ?/ D1 S( t 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。- P" X5 ]+ H! A4 y3 t H
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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:9 L# S- f0 k2 _" a; t2 M( i# n
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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。( A5 G) ?0 Z$ Q
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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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( h/ y; F# H3 i 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。, b' f1 p" {, P/ l: p1 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)
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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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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:) v: I; W: Q3 v, S
: r w1 Z2 k) w9 t5 e1 Y/ ]) o 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。8 A2 c4 a( Z! I5 H& u3 p" i1 Z
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四、其他类型的虚拟语气
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0 _5 V' [: i, v1 I! ^ 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:% N' ^7 Q) }5 I% f! q
/ Y% l- e+ _3 ^) Q' c' {) S8 E 与过去事实相反 would rather/sooner…谓语动词用had done
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% C7 t! x' H/ B1 O/ G 与现在、将来事实相反 would rather/sooner…谓语动词用did, L- a% ?' @+ r m: a* W9 g$ i9 o
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2.由it is time引导的虚拟语气,谓语动词始终用did。
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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:. R$ i* T2 Q' J# i
; R5 ^; x1 p0 x' v- e( Q 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 U- |( U0 X8 U! X 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。
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# t8 e, c n' c3 Q& x/ t+ J 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:& s$ P3 v$ `3 W( l5 h
" [6 J) r& k) j Long live the queen! 女王万岁!
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! ]: k4 q! b* B% g# Y God bless you! 上帝保佑你!& t( g! Q3 {* b3 |& f$ T5 V
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From:http://edu.sina.com.cn/en/2006-01-10/213235500.html |
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