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概述 t0 e; r4 E( V1 p- F5 M
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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:7 A# u/ Q( d* z& h
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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。
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) A$ j" z. [6 E2 v1 D6 l8 p 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。
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; A! j+ D7 G: g6 \ 难点释疑
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/ [" q& @& ]/ c/ M) J 一、If型
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5 X* H$ z3 V/ W 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
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3 ?# r# F0 ]( I% h- U. b! Wwould/could/might have done/ ]0 I* C) ^2 t- M+ q; W
与现在事实相反& k) ?1 V" p- b% ~( U# r3 W
did/were
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与将来事实相反
! Y' {; M3 N! K! X& }1 Z7 @+ Bwere to do/should do/did
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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: [# R/ e* P9 U4 Y( P
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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。1 m( W X* u# n6 p! [3 J, M5 I
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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。" w, c1 p Z; ~8 R
% B, |+ @. h! P) y! |' O5 a1 Y4 { 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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% E/ W+ H* {6 q+ u 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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与将来事实相反 wish that 从句的谓语动词用would/could do9 u8 J+ q4 `/ i$ B. k& V; O* X
E" f3 |$ k$ X* n 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。+ ]8 l0 K+ K9 k. d! K5 F8 D
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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。$ X: b! I6 ^$ Z3 S7 e/ o% u+ n
4 ^; U" r; f+ ~, U 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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: @6 ], m9 z4 b" F6 y+ H& q/ s 2.由if only 引导的虚拟语气0 d' s+ v! z8 _/ C5 h. ~& \
; `! Y3 P' g/ t: w! q 与过去事实相反 if only 谓语动词用had done
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3 m4 e0 [( i ]" x F0 G8 E 与现在事实相反 if only 谓语动词用did
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例如:" E- P8 S% x! m0 e7 ~/ b( Q5 ~
% q7 m5 Z, z2 J$ I4 S" }1 j8 L If only she had asked someone’s advice! 她要是征求了别人的意见就好了!# u* a g) J8 D) C( I
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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: N/ v$ S3 X% X4 X
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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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* m5 v; K& }, x# b, C- L 例如:6 [7 ~) G6 k$ Y. X
3 z5 K" O% E" Y% I3 G He talks about Rome as if he had been there himself.谈论起罗马来就像他去过似的。" G& {* Q' p7 n5 h5 [
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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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. d/ l3 d5 Y/ j! R" e! Q 三、强制性虚拟语气+ K- h% g% ~; ^" u& A3 f9 A( P. I
: X. U5 q7 n* X8 A& G2 R1 v 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:- h% T9 b- L; M0 X
3 @' u/ k! C/ @7 l 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: E W* h6 R% {+ u. [: q
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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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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。% I, A2 g8 V6 K, K. u0 w) P
! O7 p- \3 O0 T! V: ~; _" o 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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+ S+ D0 D9 Z8 `- [# r- U4 K$ z 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。. L% W) q7 |: W% `$ g( x/ ]. b
$ v& d7 B/ x3 R2 X7 A4 W) L 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)% U9 J& V) O% t( [1 W2 Y1 v6 g* O
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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:$ h, ~ ]$ O/ A$ c: _
3 H# D- A' s! J7 k! q 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。3 \8 {, h! P+ ~6 k
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四、其他类型的虚拟语气! K( M' }/ u2 e4 L) c' Q: Q
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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:
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, z K( V: N- X3 R5 j8 Y 与过去事实相反 would rather/sooner…谓语动词用had done
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& W; B+ m( `. H ? 与现在、将来事实相反 would rather/sooner…谓语动词用did4 c4 V1 V! ], a+ `% 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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* a- s" ^- `% \4 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:" I) D+ ]5 Y; H% }" Y
- A! c5 |; U5 e4 ^ 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。. \6 C ?. F, e+ }' ~7 R
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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:
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# j- a% H9 e2 i# k; D2 L 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。# D, B, ]5 ~( Q/ v0 @7 H' W
& ~. H% N# N6 _$ ^ 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 [2 Y4 ]5 T( _, d; Z
( T9 |, d5 L3 Y4 |1 _" Z4 v( F 5.表示祝愿或希望用虚拟语气,例如:
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; w0 g2 }& r: g Long live the queen! 女王万岁!
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; ^, j5 v- T4 j; ] 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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