i dont know when is our teacher's birthday 为什么不把is放到后面 变陈述语序

Do you know who is our new English teacher?宾语从句不是应该是陈述语序,为什么 I don't know what is the time为什么这里的宾语从句不用陈述语序? Our English teacher’s birthday is __on___June Do you know what is happening over there?为什么从句没有变成陈述语序? 怎样理解从句中的陈述语序 例 I really dont know __________.(选择) Awhat to d 宾语从句语序的问题 宾语从句肯定得是陈述语序的,所以what is her name, 变成宾从就是 I dont kn When is Li Mei's birthday?I don't know _____.you can ask Luc When is our country's birthday ?怎么回答 为什么what is the matter这句话是陈述语序? 关于陈述语序.为什么有DO YOU KNOW WHO IS THE FATTEST GIRL?又有 DO YOU KNO When is Peter' s birthday? When is Yaoming's birthday?