特殊疑问句的句型结构:
Why/ what/who/when/where等特殊疑问词+be动词或助动词+主语+谓语+其他成分Why引导的询问原因的特殊疑问句的句型结构Why+be动词或助动词+主语+谓语+其他成分？如： Why were you late for school this morning?Why is he crying?Why do we read many books?等