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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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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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$ r0 `+ f+ J+ S9 H2 M" J9 w9 _* u* I! W 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。! ~8 I' v7 I( x, d
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难点释疑
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& l& Y; @8 T+ i4 W 一、If型
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6 `) e# U! s# ?' n( i/ i8 F4 l If条件状语从句表示的虚拟语气,其句型结构如下: e/ E3 m4 M5 s; o; m: a* I! ?2 }
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从句2 O: I [5 `/ e2 \/ j. d
主句
4 v* u7 _+ a1 |5 Q4 x) N2 `与过去事实相反0 V3 X' q# }5 E5 |/ y/ |
had done8 z1 a+ o- V: {$ h$ Z- b
would/could/might have done; N2 }9 Y( V, q' n4 E% p9 _
与现在事实相反: A9 a; [$ A$ O# e' H
did/were
0 k) a9 d" g' a: X1 twould/could/might do
7 k9 b/ u0 F+ q与将来事实相反
8 i/ T: g u1 d6 ?9 B1 Swere to do/should do/did
- ?# M J- o: Z8 R' ], M) Ewould/could/might do5 f6 \1 n5 f) j# z; m3 C# \( b* X- V* w
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:1 {0 _3 e( n! J y# `- k/ R I
" D7 u% N3 J ?1 i 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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- E8 ?! i: f( Y) s 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。/ p) p7 Q$ r# M/ C& s5 n B
" _ V7 n6 z; s0 ^8 H# t 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
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2 o+ z, m7 X+ V% b 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 do3 n6 E7 x3 K& Z5 |
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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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' ~5 i% v. z/ B 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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8 A' a5 w& e1 e; y8 F 2.由if only 引导的虚拟语气7 b' Y: U& W, a [9 I
7 I, @2 G' G/ Q# L 与过去事实相反 if only 谓语动词用had done
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与现在事实相反 if only 谓语动词用did
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9 ~5 e, d' x$ I1 k0 u 例如:/ ~5 B8 G5 E/ v( ]8 K
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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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3.由as if/as though 引导的虚拟语气+ ~9 Y# Q" m0 Y0 ]
) A+ M4 N2 O2 M 与过去事实相反 as if/as though谓语动词用had done( ?* Z/ V0 H0 i! e6 b) X7 `- d( t
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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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例如:
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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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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。& X0 t: P* X( |
: J: ^4 N( q' C# H% N5 {$ r7 C 三、强制性虚拟语气
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' [. \* ? \( ]+ t; u 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:2 |' t; c: u+ L l- w. b! K
+ V% Z: {9 g, @4 i$ w" t( Q6 m 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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1 h W' b( w9 Y8 N! z3 n- \* ~+ L 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:7 p/ Y+ w" k9 ^+ m8 `5 W. j: t
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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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0 H5 a& h0 _5 ]6 H4 P7 a 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。& _ I; O$ r4 Q2 S
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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); l- m3 {1 [, a& e- v h% D
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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:5 t' v3 u' N, ]* w
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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。
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$ `8 R. P3 F2 V$ i/ a 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$ v9 V2 r- E' L0 y, y M% u0 ?- M
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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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与过去事实相反 would rather/sooner…谓语动词用had done' |2 ~' w8 Q1 i# S; ?9 H
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与现在、将来事实相反 would rather/sooner…谓语动词用did* G# @% \/ y/ {. L# X, 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:
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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。
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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:' T& \3 d3 Y' _+ P/ p0 q$ `( M
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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。8 o9 B. j& K* v0 _9 u
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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。 G5 `0 S7 b! U) C8 p Q; U
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5.表示祝愿或希望用虚拟语气,例如:. G& y+ y1 k) ~7 B3 c
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Long live the queen! 女王万岁!
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* w! z* g' \( }, I God bless you! 上帝保佑你!* H- h! [* F& C" k
# H% J. Q5 i" d* x! T0 }" k# F: [ From:http://edu.sina.com.cn/en/2006-01-10/213235500.html |
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