YOU SAID:

i have found it impossible to can

INTO JAPANESE

私はできることが不可能だとわかった

BACK INTO ENGLISH

I found it impossible to do

INTO JAPANESE

できないと思った

BACK INTO ENGLISH

I thought I couldn't

INTO JAPANESE

間に合わないと思ったけど

BACK INTO ENGLISH

I thought I couldn't make it.

INTO JAPANESE

間に合わないと思ったけど

BACK INTO ENGLISH

I thought I couldn't make it.