15过去将来完成时(would have done) 表示就过去某一时间而言,将来某一时间之前所完成的动作。常用在虚拟语气中,表示与过去事实相反。 例:I believed by the end of that year an advanced version of that software would have been developed, but I was wrong. 我坚...
例:Great as Newton was, many of his ideas have been challenged today and are being modified by the work of scientists of our time. 虽然牛顿是个伟大的人物,但他的许多见解直到今天还在受到挑战,并且被现代科学家的工作所修正 04 现在完成进行时(have/has bee...
15.过去将来完成时:(would have done) 例:I believed by the end of that year an advanced version of that software would have been developed, but I was wrong. 我坚信到那年年底为止,那个软件的新版本将被开发出来。但是我错了。 16.过去将来完成进行时:(would ...
10. 现在完成进行时(have/has been doing) 表示某一动作开始于过去某一时间,延续或重复地出现至今,或将继续延续至将来。 例:We have been working on this project for over a month no...
10. 现在完成进行时(have/has been doing) 表示某一动作开始于过去某一时间,延续或重复地出现至今,或将继续延续至将来。 例:We have been working on this project for over a month no...
更多内容请点击：专升本英语语法16种时态汇总!