宾语从句的连接词做主语例句：we have to check what is in it .为什么这里不用陈述语序
问题描述：
宾语从句的连接词做主语
例句：we have to check what is in it .
为什么这里不用陈述语序
答
what为主语,in为谓语
所以它也是个陈述句
答
we have to check what is in it
这不还是陈述语序吗.it在这里是in的宾语,in it是介词短语做表语.
比一比
we have checked out that the cat is in it
它们是一样的结构