虚拟语气要注意 啥时用, 怎么用。
和过去或现在事实相反、对将来推测时用到虚拟语气。
表示对过去,现在,将来愿望,但又不能实现时 用到虚拟语气
3.对现在,过去,将来事实的假设。(一般由as if ,as though等引导)
在第一种情况下,与过去事实相反,主句谓语动词:would have done ,从句谓语:had done ; 与现在事实相反,主句谓语:would do 从句谓语:were、 did(过去式); 表示将来的推测,主句谓语:would do 从句谓语:were to do、should do .
第二种, 对过去愿望:从句谓语:had done 、could have done ; 对现在或将来愿望:从句谓语:could do 、were
第三种,对过去事实假设:从句谓语:had done; 对现在事实假设:从句谓语:were、did(过去式);对将来事实假设:从句谓语:would do
可否加上例句表示
追答在第一种情况下,与过去事实相反,主句谓语动词:would have done ,从句谓语:had done ;EX: If he had known it,he would have told me .
与现在事实相反,主句谓语:would do 从句谓语:were、 did(过去式);
EX: what would you do if you were in his place?
表示将来的推测,主句谓语:would do 从句谓语:were to do、should do .
EX: If she should encounter any difficulty in her life, her sister would help her out.
第二种, 对过去愿望:从句谓语:had done 、could have done ;
EX:I wish i had forgotten it.
对现在或将来愿望:从句谓语:could do 、were
EX: I wish i could fly. / I wish i were a bird.
第三种,对过去事实假设:从句谓语:had done;
EX:The animal was walking as though it has hurt its leg.
对现在事实假设:从句谓语:were、did(过去式);
EX:She talks as if she were innocent.
对将来事实假设:从句谓语:would do
EX: It seems as if the meeting would never end.
I HOPE IT CAN HELP YOU.