If you can open the box,I can close it.这一句是虚拟吗?If you can open the window,I can close it.这一句是虚拟吗?但我看语法书上面,虚拟的主句要用will/shall...现在越来越搞不明白了.

来源：学生作业帮助网 编辑：作业帮 时间：2024/11/08 16:57:49

If you can open the box,I can close it.这一句是虚拟吗?If you can open the window,I can close it.这一句是虚拟吗?但我看语法书上面,虚拟的主句要用will/shall...现在越来越搞不明白了.
If you can open the box,I can close it.这一句是虚拟吗?
If you can open the window,I can close it.这一句是虚拟吗?
但我看语法书上面,虚拟的主句要用will/shall...
现在越来越搞不明白了.

If you can open the box,I can close it.这一句是虚拟吗?If you can open the window,I can close it.这一句是虚拟吗?但我看语法书上面,虚拟的主句要用will/shall...现在越来越搞不明白了.
这里不是虚拟,这里是强调事实.
如果是虚拟就是与现实相反,或者不存在的事情.
比如,
If I were a bird,I would fly in the sky

是条件句
虚拟语气是
if you could open the box, i could close it.
虚拟语气是表示一切跟现实相反的 一般用过去时 过去完成时等表示

这不是
if 后面的条件句如果说与事实相反才是虚拟语气，这里不是，看时态也看得出啊

所谓虚拟语气，是指在表与现在（过去，将来）的事实相反或发生概率极小的事情时所用的句型。与“现在”相反的句型要求是:If+主语+did... ,主语+would(could,should) do....所以此处应为If you could open the window,I would close it.
虚拟语气有若干种句型要求，你说的will/shall不过是其中一种，并非任何情况下都要...

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所谓虚拟语气，是指在表与现在（过去，将来）的事实相反或发生概率极小的事情时所用的句型。与“现在”相反的句型要求是:If+主语+did... ,主语+would(could,should) do....所以此处应为If you could open the window,I would close it.
虚拟语气有若干种句型要求，你说的will/shall不过是其中一种，并非任何情况下都要用的。

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