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概述4 V; g' A. e, N G
" e1 p0 g# H- z" g7 i2 Z4 i 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:4 ?; ]( y/ K3 c/ X% _6 L
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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 t1 n8 ]# ~/ a! ^; H+ K 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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) e; @8 C: S% {9 E6 Z 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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n# K4 ?$ o5 e7 e) h2 w: f 难点释疑
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# U, l# f* p' R V7 j 一、If型+ f* ^, l# |- Y
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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:) @. i0 [4 t a s1 N
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' p7 [6 r; _8 E/ M& u# A6 u从句1 D y1 `. L' }$ V% H$ M
主句
! L! U/ ~2 q' N9 f9 A! _与过去事实相反. K% T! c/ }. c# ?2 ^% u# t
had done% f G: m7 \6 |
would/could/might have done; J" z$ S& a% N# G* G5 e6 b4 J
与现在事实相反
- E1 q7 i! W4 Q! I( ddid/were
, _. C( Q6 w5 }8 g. `would/could/might do
# u& d, H$ N2 m* b- N9 G与将来事实相反
/ F. |1 ]( q* ~9 s9 g% Gwere to do/should do/did; j+ j, z; o( ^" W
would/could/might do/ O7 W, y, ~. N' |
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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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。5 O5 B* r7 G9 F9 c/ n
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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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( {3 `- Y' K, t- q0 e- c. A+ U 二、Wish型
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* D% p* m% I4 C4 r 1.wish后的宾语从句用虚拟语气,其句型结构如下:, ?# |, z! O1 M% i+ Q" r) O8 H
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与过去事实相反 wish that 从句的谓语动词用had done B$ m$ p. |4 C- m3 I
, h7 k! h3 S* w: ~, b 与现在事实相反 wish that 从句的谓语动词用did! T! j' N% \/ B( o7 g' g* S
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与将来事实相反 wish that 从句的谓语动词用would/could do
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3 G; O) p1 E8 g4 q0 ^" ` 例如:1 l5 q: _4 h. F, _: y6 r8 w
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I wish they would change the menu.他们要是改变一下菜单就好了。: ]- j7 e, U5 r2 v% A
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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。4 C q `- U" u6 b/ r
9 k* I0 D# n2 E1 _1 M! z0 f 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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3 F, \. P8 h3 j" p 2.由if only 引导的虚拟语气, X0 o! ^( D7 k$ F! X: z
7 k0 s6 m# q- ]5 L3 h 与过去事实相反 if only 谓语动词用had done1 X6 w7 V0 X* P
3 A2 k# x' P( ?, i 与现在事实相反 if only 谓语动词用did1 ^: @6 T c# U4 W4 R% ?4 a
- W9 O3 d# p& T u6 S% W8 I 例如:# s. f' u+ v- P% f% c# r9 D" U* t
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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!! J2 H8 Q( A& f+ {) v
) Y, Z! N& q, X/ j+ h8 x7 H9 j 3.由as if/as though 引导的虚拟语气9 A2 k: a3 S z+ E
8 B* u0 {- V) m' Q: R4 d9 u 与过去事实相反 as if/as though谓语动词用had done6 d- C/ H4 A) t( t( [
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与现在事实相反 as if/as though谓语动词用did# T; u- Q; s( Z6 P. L0 ~2 z
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例如:4 y& M$ T5 H8 t# v4 n# j: d
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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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9 x- o/ n* @) V2 R8 ? 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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三、强制性虚拟语气+ Y! c4 K3 ?( }: ]
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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:
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( c/ Q0 Q1 g ~) b9 o, s 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。+ D. u! _. i6 v! J: R4 G# w7 k
2 g( U* o) ~% {$ [8 V" P1 e2 t8 N$ `1 ` 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:. z$ m W! N! Q* _
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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。' E$ J' V3 | C, O7 B1 w$ z+ Y0 y
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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:, z6 N9 w/ ^1 @
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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。
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. i7 J6 {" s) i0 V3 V& `+ S 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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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:/ E' f' d$ l8 a. t; Z
' Q7 p8 M' d( r: e/ ~% H) H 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。4 D& x5 ^$ v4 v2 r: |3 h! U: z$ x3 D
3 f! I# A. U) P3 N 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。' D& S& U" i( ?" Z) B
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四、其他类型的虚拟语气: s. w0 G* C" ]! O
# t( x, ]+ Z4 ]" l$ f 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:: @) q \6 V, ?. d) ?1 c9 G
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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
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2.由it is time引导的虚拟语气,谓语动词始终用did。" u% {- p7 j( C5 z7 S
( p: y& i2 F. _9 e9 v5 y, t7 q 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:$ t0 |# t) {6 F
: j' g- p8 {: Q: G' j& w. \' V 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。' T: P/ Y2 Z& D! d' J
" j j& A* b* \4 h t 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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2 \' d# P% I2 t; W: n 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。$ w% q$ u2 ^: s7 _: y. F
/ s/ h$ W$ {" _% 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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5.表示祝愿或希望用虚拟语气,例如:6 R0 H, k& ?0 L o: L! t" g% Z* f
9 p1 B4 b" _+ p- K6 Y, }5 ^ Long live the queen! 女王万岁!
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; I9 N% d0 C8 P. |0 G7 D1 s God bless you! 上帝保佑你!
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. z5 e5 d. q C4 T1 k9 i1 b8 ^ From:http://edu.sina.com.cn/en/2006-01-10/213235500.html |
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