YOU SAID:

I wanted to run, but i could only walk

INTO JAPANESE

走りたかったが、歩けた

BACK INTO ENGLISH

I wanted to run but I could walk

INTO JAPANESE

走りたかったが歩いていた

BACK INTO ENGLISH

I wanted to run but I was walking

INTO JAPANESE

走りたかったが歩いていた

BACK INTO ENGLISH

I wanted to run but I was walking