YOU SAID:

I almost ran over my grandma

INTO JAPANESE

おばあちゃんに轢かれそうになった

BACK INTO ENGLISH

I was almost run over by my grandma

INTO JAPANESE

おばあちゃんにひかれるところだった

BACK INTO ENGLISH

I was about to be run over by my grandma

INTO JAPANESE

おばあちゃんにひかれるところだった

BACK INTO ENGLISH

I was about to be run over by my grandma