“Did he run in the forest yesterday?”

Question

“Did he run in the forest yesterday?”为什么是助动词Does改变成过去式，而不是动词run改变过去式呢？

Answer 1

疑问句的时候，助动词开头，就要改助动词为过去式。追问

He ran in the forest yesterday为什么不加is呢？

Answer 2

反问强调语气

Answer 3

这是疑问句亲