2012年公共英语五级语法精讲：虚拟语气2# R( e4 |( i$ d4 d3 e* }
非真实条件句: d3 I) f( b/ j- Q5 ?
时态：可以表示过去，现在和将来的情况。它的基本特点是时态退后。
9 U8 }/ k* G/ l8 n a.同现在事实相反的假设。2 ] f! A4 X/ X. j, c) K
句型：条件从句+主句( E" y0 h' ]+ i0 C+ c
一般过去时：should(would)+动词原形
; G2 k) C$ I) q' M/ e6 V If they were here, they would help you.
8 L1 v9 e4 |4 P! W# u2 e b.表示于过去事实相反的假设。
, V: D. S2 k+ a7 O$ D" V" @& u, x 句型：条件从句+主句
: ?1 z) J6 t4 a. A; Q 过去完成时：should(would)have+ 过去分词
0 p L) O0 i& U# M If she had worked harder, she would have succeeded.) ]7 o5 }' A) Q1 O1 Y; K0 p& i* _
The rice would not have been burnt if you had been more careful.
5 V0 n; D- b; H* h If my lawyer had been here last Saturday, he would have prevented me from going.8 m% [$ v- s( j# n% w f
If he had come yesterday, I should / would have told him about it.* J# P2 `+ a* c% ? p( g3 I" \
含义：He did not come yesterday, so I did not tell him about it.0 N4 I; O- U$ \. M) R* T+ h6 D
If he had not been ill and missed many classes, he would have made greater progress.1 K. b) Q# r8 {: e( Q
含义： He was ill and missed many lessons, so he did not make greater progress.
6 [- m. c4 y5 v& ~/ r. Q6 x# ] c.表示对将来的假想www.examｗ.com }) T% H z, } j5 ]
句型：条件从句+主句$ R6 A/ x# G- q l \2 k9 F. H
一般过去时：should+动词原形/were+不定式/would+动词原形/should+ 动词原形
; \+ k* e! P- K; f& c$ x If you succeeded, everything would be all right.
$ t1 m1 \! g' L* s4 Y( E9 j If you should succeed, everything would be all right.
, z1 n0 U1 d3 K" T: j u If you were to succeed, everything would be all right. |
发表于 2012-8-14 13:28:15
