I know your backpack is black 改为否定句

问题描述:

I know your backpack is black 改为否定句

konw 否定前移,所以是I don't know your backpack is black .We cansee abirdinthetree改为疑问句呢谢谢canyou see abirdinthetree?we为什么是变you呢?不是别的吗不是,you 表示你们,分析一下:我们能在书上看见一只鸟换位思考:就是别人问话,说:你们能在树上看到一只鸟吗?