现在完成时与过去完成时有什么区别,举例子 谢谢
来源:学生作业帮 编辑:搜搜做题作业网作业帮 分类:英语作业 时间:2024/08/08 08:19:18
现在完成时与过去完成时有什么区别,举例子 谢谢
![现在完成时与过去完成时有什么区别,举例子 谢谢](/uploads/image/z/4221368-8-8.jpg?t=%E7%8E%B0%E5%9C%A8%E5%AE%8C%E6%88%90%E6%97%B6%E4%B8%8E%E8%BF%87%E5%8E%BB%E5%AE%8C%E6%88%90%E6%97%B6%E6%9C%89%E4%BB%80%E4%B9%88%E5%8C%BA%E5%88%AB%2C%E4%B8%BE%E4%BE%8B%E5%AD%90+%E8%B0%A2%E8%B0%A2)
现在完成时强调对现在的影响.时间是从过去起延续至现在,所以常和since,so far; up to now; up to the present 连用
He has so far made no suggestions in any shape or form.
她至今没有提出任何建议.
A lot of [Lots of] work has been done by her since yesterday.
昨天以来她己做了大量的工作.
过去完成时是相对过去某一特定时点来说某个动作发生了,或是某种状态已经存在,指的是过去的过去
如:
When I got to(过去)the station,the train【 had left】(更早的过去)
He has so far made no suggestions in any shape or form.
她至今没有提出任何建议.
A lot of [Lots of] work has been done by her since yesterday.
昨天以来她己做了大量的工作.
过去完成时是相对过去某一特定时点来说某个动作发生了,或是某种状态已经存在,指的是过去的过去
如:
When I got to(过去)the station,the train【 had left】(更早的过去)