怎样区分疑问句中的主语?到底是I don't know what is the population of China还是I don't know what the population of China .老师说是I don't know what is the population of China,也就是what is the population of China是陈述句了

怎样区分疑问句中的主语?到底是I don't know what is the population of China还是I don't know what the population of China .老师说是I don't know what is the population of China,也就是what is the population of China是陈述句了 Who are you.(一般疑问句) 正确!而 who you are 是用于从句中的,如:I don't know who you are.I don't know who you are.是什么从句 为什么从句中的主语要在be动词前面 怎样区分英语中的一般疑问句和特殊疑问句? 怎样区分定语从句中的先行词是宾语还是主语就是要知道宾语和主语有什么区别.怎样区分定语从句中的先行词在句子中充当的是宾语还是主语. I don't want to cooking与I don't want to cook哪个是对的?怎样区分它们? 宾语从句是特殊疑问句 从句中的主语变不变 i don't want that sort of thing__to keep_(keep)happening.这道题里为什么不用被动呢?这个句子的主语到底是i 还是thing啊 怎样区分英语句子中的 主语 谓语 宾语 系动词 麻烦帮下忙 英语状语,宾语,和主语,到底是神马,还有单复数怎么区分. I don't know your mother 怎样变成 一般疑问句否定句变成一般疑问句 怎样区分主语谓语宾语状语定语 怎样准确区分主语,谓语,宾语? 这两句英语主语是第几人称,改为一般疑问句怎么改?还有怎样来区分是第几人称?谢谢!第一句：Tony's friends playftball on the playground 第二句：Lily mother studie's hard erey day 只有当主语是I时,谓语为think时,反意疑问句中的谓语肯否定与主句谓语肯否定相反吗? 反义疑问句,是否符合否定前移速求I don't know that is a useful book ,----------?反义疑问句,到底怎么解, teeth和tooth到底哪个是复数?怎样区分好? 怎么区分 状语和主语补语比如I got home late at night,tired and hungry.这句话中的tired and hungry是状语还是主语补语?什么是状语, 怎样判断逻辑主语?怎样判断一个句子中的逻辑主语是哪个?