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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:( ^2 N$ y, s4 w) O# [
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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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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。- w7 ]) f1 `- v- D' e' i4 w, A" \
) S" \: u; m7 L/ P! o) j4 a6 o( L6 [" u# `- ] 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。1 H6 ~& h0 T7 \ ]1 T/ a* c$ c
6 G: Z- `. ?8 D4 t- N7 ]8 z 难点释疑
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4 g3 A( N3 Y: G6 E( @& J 一、If型1 E5 p- @, m5 Y2 ?& i: A3 S
. b; p! R8 O0 W% I- `' o If条件状语从句表示的虚拟语气,其句型结构如下:1 G3 E& D6 S3 b3 X1 r' o1 h
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! o% j) i3 ^1 D1 r" T3 t! S从句# V, v ~# ]" b1 ?( I- k8 {( ~
主句
6 f& N9 D1 g& O$ l8 k' _6 h( k. G2 o* g与过去事实相反' r, d1 k2 }2 h* u! T( E+ a" M
had done
+ u7 @& C+ A: @8 r8 J( Z" F' [would/could/might have done
c( ^% q4 v0 l9 M5 n与现在事实相反5 L" s5 [* Q2 }& ^
did/were3 _0 V* s" a$ a9 P
would/could/might do
7 M1 y. w1 A3 G T' m与将来事实相反1 L5 O2 B3 F, B4 l5 \0 S
were to do/should do/did' C1 u0 B' ?" p9 ]5 a0 A! R( C% p
would/could/might do
) U4 J7 H$ K: Q* B 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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3 b+ G4 G; N7 V! F/ Z5 t& o* ~: p- l 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。& ]; o% j. ?) r( {# |9 G' T' r- c
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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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二、Wish型
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' O6 X: n @; I8 ]# U 1.wish后的宾语从句用虚拟语气,其句型结构如下:9 O | B! i9 Z+ h: _* K
* Q) A' @; i8 B3 c4 d% v% Z 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# j* T/ L) q# w
) U; J1 u1 M+ q0 J6 U 与将来事实相反 wish that 从句的谓语动词用would/could do1 Y0 H# w$ u7 L5 I$ ]1 Q2 ~$ o
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例如:4 `! J r' s2 m- H" T
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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。5 X4 r7 X. i ~# J' t: Y0 Y
- M% m) D8 B* q; D( z5 f- ~2 N. G1 d 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。; T/ p( t j# b0 m
7 N' S3 c; J4 ^5 i9 F$ ?& M 2.由if only 引导的虚拟语气+ |" O& \1 W& ?5 m0 U
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与过去事实相反 if only 谓语动词用had done1 _& H$ c/ J# @- L7 X% ]
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与现在事实相反 if only 谓语动词用did
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( I4 g5 C7 T" H+ \ 例如:
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6 H& r' N" W+ u0 F 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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, h6 r8 a9 f8 Q% d' ]1 m 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$ d- V9 _; @: t, g6 c
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与现在事实相反 as if/as though谓语动词用did9 o4 N f N8 l+ N& ]
- e/ H! N! X& b( H2 W* i3 c 例如:3 x, Z( n; i; W/ `3 L
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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。4 R+ z4 z* |" j' o P! u1 g% O( R
+ O! { w1 p4 E6 F; W 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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* C9 a+ o( f( G9 f# |2 H 三、强制性虚拟语气
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" |3 K+ d) U/ s. I; Y 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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! w$ p4 ]# a+ e* D4 N4 X 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。, G; K( r5 F0 F; a; u" y+ j
0 d' v. u$ N- G2 R3 ` 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。2 g4 B, s; _* N0 O: y% I
! J9 n8 \9 o0 ?6 I5 k3 Z0 k& L" C 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:; Z& [* l/ \3 \ z7 `* o" D
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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。1 d6 x" B; m" i% R
: @$ I/ K C& e9 Z# w- Z$ o' K 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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' K9 X. S3 _, F& o* c% L 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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5 r; [: d- J+ j 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:: j* E9 N$ L; Q, N; a
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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。: \* ]% x; e8 z' d; F# M
5 z% [+ D+ k% N& t% }- o. F 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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四、其他类型的虚拟语气7 f3 K/ a& p- [" C/ P( i. X
# S$ W9 Q2 x2 W 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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2 l# a* {# c, |( n 与过去事实相反 would rather/sooner…谓语动词用had done( \( \' J5 }: H) F
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与现在、将来事实相反 would rather/sooner…谓语动词用did
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9 `, w* f1 |& J- r; N 2.由it is time引导的虚拟语气,谓语动词始终用did。
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9 i: z- Z# e) a/ H9 Y) ` 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, X! t2 h! u! z0 ]
0 k( J* a9 B, J; \5 F+ Y# 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。
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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:, i4 G% U% q- o p+ x
. @+ Y2 b' y1 j+ ` 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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6 c3 t% x J" ~) f N) b7 r V 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。; Q$ x; r* ~6 z$ g# J9 d
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5.表示祝愿或希望用虚拟语气,例如:
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Long live the queen! 女王万岁!
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God bless you! 上帝保佑你!$ i2 b4 q9 \ E. G
# \# z7 I& ~4 N& M- o5 g& ~ From:http://edu.sina.com.cn/en/2006-01-10/213235500.html |
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