_________her and then try to copy what she does.为什么答案是watch..不是watching
问题描述：
_________her and then try to copy what she does.为什么答案是watch..不是watching
为什么不能是watching动名词作主语
答
祈使句,有命令的意思.且and连接,前后动词形式需保持一致.而且如果是用watching的话,会引导一个状语从句,后面应该跟一个watching的发出者,这里没有.e.g:Watching what her done,he try to do it.