找出下列句子的错误,并改正 I reading a story book.

问题描述:

找出下列句子的错误,并改正 I reading a story book.

i am/was reading a story book , 进行时态
i read a story book. 一般过去式

I am reading a story book. I was reading a story book. i read a story book. 一般过去式看时态

I am reading a storybook

缺be动词am。 I am reading a story book.