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概述) l3 s' B% D# w+ \' z( _' _
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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:5 {. K8 g7 a/ y5 ?5 x- F0 a" l5 A% l& ~4 S
; h1 _1 ~1 W7 F$ g- e h. u' p0 H 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。( X" R2 F7 ]! x ?* `
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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。- C+ F7 ]$ {9 x, k9 W# e5 O/ Y& Q
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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。 ?7 [9 ?- P* e& \
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难点释疑
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+ s! o% d x4 \) u7 n$ G 一、If型
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* i5 x% |2 N$ ~: m If条件状语从句表示的虚拟语气,其句型结构如下:/ ~4 W$ S& n! }0 i$ N
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从句
3 Z3 b* Z, {1 g9 D! F5 e* C$ _* y2 R主句# X! S. N* [$ A+ E$ g
与过去事实相反
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would/could/might have done- P: |8 y( L* A3 N, _/ s5 Q. T
与现在事实相反
7 `5 W5 M, K' M' W0 C1 R; tdid/were% E3 o; N8 a( ]! F s6 c. L
would/could/might do
" w5 f( q: K1 L( H. L) ~与将来事实相反) q7 ?; a3 K m# h
were to do/should do/did: s$ _" z+ {8 h( D* l5 G
would/could/might do2 |3 g) \: }) d
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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! ~* ]! x+ g3 w& t/ u 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。
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" o; j" ^9 X9 a- x 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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( D- Y; k- x d, F. P 与过去事实相反 wish that 从句的谓语动词用had done
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% x8 S# h# P9 M7 f' T) {4 u3 a 与现在事实相反 wish that 从句的谓语动词用did9 p n" H7 S7 G+ I, c& s
* f3 Q: U o4 Z1 [! ]6 J* d$ c4 w2 j 与将来事实相反 wish that 从句的谓语动词用would/could do
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; L9 X, V1 ^4 ` D; u, z3 N! G 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。, c) E9 L3 y' T' r1 B" k
, v4 ?8 G6 s) Z# I 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2 Z* ?; f2 C# C. p
, X1 W) p- Q; w 与过去事实相反 if only 谓语动词用had done* ?; }" q4 V/ g2 b
% [: Q# ^1 G3 V( H" b 与现在事实相反 if only 谓语动词用did! Y/ Y7 g/ Z7 F% ]
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例如:8 U* Y; D/ Y9 g7 Q {
5 E2 F# E) s. z+ K) i3 h If only she had asked someone’s advice! 她要是征求了别人的意见就好了!" q) V% f; e% P
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3.由as if/as though 引导的虚拟语气' w+ G) r5 c% u& ], M- |
3 n& _0 }2 h7 h. I/ E 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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, k! Z* W1 ^, ~3 S1 }" J" Q 例如:1 l c5 ?$ ^$ p& r4 Z' U
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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。
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# e. D0 `/ c0 D2 o# }/ F& r3 U( p; w" H/ a 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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/ m# @2 O0 I e 三、强制性虚拟语气. V7 I U- s+ }0 y; f
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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:- C; t" v# @# N0 E f
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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。
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l+ x; q& a; q5 w' I( A% q! q/ B' S 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。9 Z- y$ t/ z( v! f4 d
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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:+ T# a/ j6 Q; s* P
4 h1 d9 u- J0 h) O* @' u# j 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。) ]; ?3 q K( V& H; h2 R
M3 x- T1 E5 q0 l# t 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)8 V3 m% ^1 O# t ^0 ~3 t
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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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5 Z1 U" \1 V" I 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:
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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。2 c) n9 B& }6 y) x, I: f
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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。9 V4 V: t p, p& R$ _* N
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四、其他类型的虚拟语气) ~2 e9 n2 r3 `
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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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! I& k0 U2 z$ h7 @! D5 Q9 J; o7 w 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* y& G5 s9 L0 t+ |! G/ R( J
. {" w T. O F7 C 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: j+ \ Y- K8 s# \
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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。/ U {) x9 g, n( L0 I# q* ]
2 J5 k8 `3 x* K' b' M$ [) Y 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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0 u( e& O, f' S. h6 Z2 X 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。7 `1 P0 f1 F3 p/ Z
: ^- N$ P: @* T, m 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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0 O6 V# N* o* x$ l 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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' X9 f) I- O9 A) r 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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