真水五香
幼苗
共回答了20个问题采纳率:85% 举报
虚拟语态,原本应该告诉的,但事实没有告诉.
表示与过去事实相反的假设,从句中用过去完成式,主句中用过去将来完成式(should,would,could,might + have + 过去分词).如:
J If I had set off a little earlier,I would have caught the train.
J She would / might have come if she hadn't been so busy.
J If I hadn't taken your advice,I would have made a bad mistake.
J If only you hadn't told him the news.
1年前
10