YOU SAID:

I never thought I could do something like this before

INTO JAPANESE

こんなことができるなんて、今まで考えたこともなかった

BACK INTO ENGLISH

Never thought I could do this

INTO JAPANESE

これができるとは思わなかった

BACK INTO ENGLISH

i didn't think i could do this

INTO JAPANESE

私はこれができるとは思わなかった

BACK INTO ENGLISH

i didn't think i could do this