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概述
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$ O; C# R. Z5 }5 } 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 a' Q5 u8 y& Y$ A$ }
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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。* Z8 ]- Z ]9 p# l1 w2 [6 d3 K% d
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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。 K. X: w2 e# | o+ W5 E& G. H
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难点释疑* y( \9 {! r' P$ w9 ~ K+ Y
: G3 Q# A4 S# q. m 一、If型
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& x: S7 ?( _7 S. L x If条件状语从句表示的虚拟语气,其句型结构如下:
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从句
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i: g: b+ b3 v" E与过去事实相反
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would/could/might have done3 e0 A/ F( E' w
与现在事实相反
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与将来事实相反
, Z. m8 [! _5 k q: G3 Mwere to do/should do/did1 {, a. s, F. Q' S& t7 d7 D$ ]/ @/ _: w
would/could/might do' c Z; e1 }2 X) {" 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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; b3 z( P5 G7 m8 |% s 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。/ R/ C2 O( [6 ~3 @( u* x! I0 k
3 u8 h9 ]' v6 l+ D1 H( ~ 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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7 j8 E6 k% i* V+ Q5 i 1.wish后的宾语从句用虚拟语气,其句型结构如下:( U) W1 w) o8 J+ q7 G: d7 y3 t
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与过去事实相反 wish that 从句的谓语动词用had done2 Z* e/ @1 V4 x) z R- {
" T3 u* z; e6 `6 O 与现在事实相反 wish that 从句的谓语动词用did
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) a# ^3 q7 }) s4 S+ \+ ^ 与将来事实相反 wish that 从句的谓语动词用would/could do$ f9 z9 N% |4 n5 q* z! u+ |; n
" }+ o7 R% t: A4 T# Y7 p 例如:, k2 G' u& W3 E7 s; l+ Q" ^6 ~
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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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0 u9 \4 J0 P3 x8 H2 L o* m) I8 R# q 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 G) [' u6 p" R( U7 {& E/ Y8 D 2.由if only 引导的虚拟语气% q2 u- G( d; Z6 w+ y7 s
# |2 p) m }2 U7 U 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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例如:0 v, I! X. y9 v# i2 [0 {) ~
* c/ m# B5 g% W, Q; X 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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% m4 O3 p( O( s/ q" q 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
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& \( a% E. H9 j1 | 与现在事实相反 as if/as though谓语动词用did
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5 X' b s# z. g. Y: l- ?* J 例如:3 S& [+ k7 K; R5 S4 I+ |
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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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) a* W5 f" V& v& f( I% r0 G 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。) H* u, e9 I9 }/ p3 r. Z
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三、强制性虚拟语气3 \2 }) l9 | y
. d( o" V4 [$ ?. @- ] 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:4 Y( X8 m2 D! _$ @7 z* b: L
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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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1 x: u7 T$ o) ], 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:
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& F4 n' C5 P' C 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。* T5 o/ M' ?! y" U: x1 W+ L
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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。
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) a" [: M0 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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$ f& t4 F) x/ s: E 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:# ^: h; k7 B: i
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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。5 j. K, n* o" i( Z" z4 ?- ` r
/ F% l6 _+ G- v) e S 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% u4 X& W/ Q8 [ x' q3 O
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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: I" l) c4 n9 L) y) P
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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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( P% a j% r0 c0 |$ j: t2 m 与现在、将来事实相反 would rather/sooner…谓语动词用did- p( t/ @5 ]" m3 r! e+ h+ s
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2.由it is time引导的虚拟语气,谓语动词始终用did。* s7 D3 Y: g5 C3 J
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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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0 k0 ^' o0 ~6 h5 ~+ v; b 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:
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; {4 d% R- D( a" f8 W D 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。, l" z/ p/ F/ E* g' q5 Z
. s& m& G9 Z. e( D8 a+ o, j8 ^ 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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6 X4 J4 V; T! p, a 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!
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From:http://edu.sina.com.cn/en/2006-01-10/213235500.html |
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