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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:; r* D: H# A" n7 F1 O0 l
* }) o. j3 K8 Y' n8 b4 `/ h" b, K 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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) b) ?2 j' g R) d( U& U 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。9 D j! U5 }* h8 n6 _. Y+ e6 i6 Q
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难点释疑
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一、If型& ~ _. M6 k/ }$ i! g
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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:: q9 i# x: _3 ]. Y/ H
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# U7 i8 R9 i7 a/ b8 S$ M从句
) v8 d* B8 |7 U2 i) x主句$ s% Y: a! g: J/ Z9 u6 n$ b
与过去事实相反
$ Q6 w, A1 G9 y8 N! \- ]had done( M7 b# e" ]/ }/ P& F/ b
would/could/might have done: e! `2 k5 o' v9 Q
与现在事实相反
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/ U' R' J& H+ z/ c1 D3 n. vwould/could/might do
" R0 l9 |- A1 x3 u$ P# `+ E与将来事实相反. g" y: X4 U; C0 N
were to do/should do/did
5 n; i+ P7 o' L, O8 K3 r! gwould/could/might do
8 Z; T3 g h* j7 s# e& m# 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: g* M! \* i( j
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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。
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6 X1 S2 \' B3 K2 z# u9 X( @ 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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7 [5 s- U* g; {- Z2 D# l 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/ m4 C! w, ~# g& M
/ R% |0 U9 e, ` 与现在事实相反 wish that 从句的谓语动词用did& U# ?) q! C! t, Z6 c
4 q3 g) z2 e [6 ` 与将来事实相反 wish that 从句的谓语动词用would/could do( {1 O; _; [: n2 q5 ]
- }4 O5 k) B; o: _3 ~! ^ 例如:; j& S' P: K3 L8 B9 j. V$ Y6 q! I
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I wish they would change the menu.他们要是改变一下菜单就好了。7 E. \5 B' {3 U4 ?" m: r+ d3 @
$ Z J) X. P. T 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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2 t' y, D$ `* ?: V 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。0 d5 H$ T; P5 f5 K' ~( k
* Z) q: \' {5 E% Y7 l3 F' ] 2.由if only 引导的虚拟语气8 G2 K# A) x- a- c: y8 |* _/ E
1 s+ ^* \/ F4 z8 p7 |6 W 与过去事实相反 if only 谓语动词用had done
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2 x& u4 l6 s, W+ X6 [: s 与现在事实相反 if only 谓语动词用did. t# y2 l! S1 k, o; j) w, Y* x
) S4 k3 [* t. t& h0 W 例如:
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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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4 n" @9 y9 X" z- n 3.由as if/as though 引导的虚拟语气
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- g. {8 P/ r" b* D& k4 h 与过去事实相反 as if/as though谓语动词用had done
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2 Q, w" a" ]4 a0 t% j 与现在事实相反 as if/as though谓语动词用did
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例如: i. K& `; a9 M V: l8 b
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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。: o2 q* J" M; P) m" f+ Q& e
3 h0 u }5 \; ?2 Z! 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。1 ]& o0 m$ c& _! E w
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三、强制性虚拟语气
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4 @9 z" |4 O d- N& P 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:, z% x1 W4 P& o( m9 Z' ^0 p
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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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, Q$ P8 @0 L* t' o, _ 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:. P. K) [/ Y! V; D& r% p
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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。
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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。 C# K- t% l3 a: f
. _* v3 H: d* W9 I9 B 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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2 L2 ?0 i+ e3 c' u 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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1 P' ^/ c! T3 q; v5 m 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。* a$ _' _( K+ h) T( n: ?% y1 I1 D
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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。
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' m/ i* a( P! J! B$ v: u9 K- M 四、其他类型的虚拟语气- \$ ]' B9 ~! l( e5 g/ u( n4 V& }
( c# N# D# Y. n' M 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:3 r! z2 b4 T( g- J/ t2 E5 L
v2 F8 C& `9 p) l8 y) x5 T 与过去事实相反 would rather/sooner…谓语动词用had done, t$ j7 L' {* W( V# @7 O) [
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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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2 _- _1 w5 ]8 i9 i# E @3 f+ p 2.由it is time引导的虚拟语气,谓语动词始终用did。
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5 r2 f/ t# D: C- {# R 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:/ ^( j5 a( N: T+ Z/ ]
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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。: S* c9 p5 E4 {7 r; I
* y% [) H2 ?- i7 g/ Z 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:* @7 ?; t! T9 ~+ @
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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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. Y K: }5 r- a 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 x" u1 N- Y* k5 q
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5.表示祝愿或希望用虚拟语气,例如:5 N/ ^6 J/ r2 L/ g5 Q
% A4 C( ? t8 Z) d Long live the queen! 女王万岁!% N1 K" H' y" Y, h: q0 j
& N- u! O4 P* U' \' i9 \ God bless you! 上帝保佑你!
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i: Z J' h3 q- p1 k$ a: { From:http://edu.sina.com.cn/en/2006-01-10/213235500.html |
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