We've been working together since 2 months ago.这句话从语法上讲有什么问题

来源：学生作业帮编辑：大师作文网作业帮分类：英语作业时间：2024/11/12 01:46:02

We've been working together since 2 months ago.这句话从语法上讲有什么问题吗?
ps：刚刚找了现在完成进行时的语法，貌似举得例子就是这样的。要是有没注意到的问题，

要改成
We've been working together since last two months.（since 2008.last year,4 o'clock）
现在完成进行时,后面跟时间的一点,不跟一段时间.
再问：您的例子和解释我怎么感觉有点矛盾啊现在完成进行时，后面跟时间的一点，不跟一段时间。根据我的理解，2008.last year,4 o'clock，two months ago，应该都是一点时间而last two months才是一段时间而且用了since，不管since后加的是一点时间还是一段时间，都是代表一段时间，因而你的例子也说不通啊。请再讲仔细些，谢谢
再答：关键是你用了ago这个词，时间加ago只能用在过去式，不能since来连接。要么就是two months ago用于过去式，要么就是since two months用完成时. 就这样啊。
再问：您到底是不是老师啊。。。 since two months？？？since要加时间点表示一段时间，如 I‘ve been studying since last month。 I‘ve been studying FOR two months。

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