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英语：by now是什么时态?

来源：学生作业帮 编辑：作业帮 分类：英语作业 时间：2024/10/04 02:07:35
英语：by now是什么时态?
句子以 by now 结尾的时候,最常见到的是在虚拟语气的结构.
should / would / could + 现在完成时.
例如：
He should have arrived the airport by now.
If I had left a bit earlier, I would have gotten home by now.
by now 在句中要用是什么时态 by now 应用什么时态 just now 是什么时态, 句末有by now用什么时态 by now 一般与什么时态连用? The telephone ( is being used ) by his father now . 这句话是什么时态 He was now 是什么时态 by now的意思?有by now时,句子用什么时态? just now是什么时态的时间状语 now lived 是什么时态的词 you've done it now是什么时态 You look tired now是什么时态?