先加特殊疑问词,再加陈述语气的句子,
如Do you know where he is
陈述语气即主语在前,谓语在后的正常语序.
特殊疑问句的语序本来是倒装,即Where is he 但当它作为整个句子的宾语的时候,变成特殊疑问词在前,然后后面的主语和谓语换回正常顺序.
所以是 DO YOU KNOW+where+he +is.
再举一个复杂的,特殊疑问句When is he going to sleep?放在do you know 后面的时候变成
Do you know+when +he +is going to sleep?