i think he can speak English的否定句为什么是I don't think he can speak English

问题描述:

i think he can speak English的否定句为什么是I don't think he can speak English

以I think ,I believe等为主句的宾语从句,变否定句时要否定主句,即我们常说的‘否定前移’ ,这是语法规定的,记住就OK了.