YOU SAID:

can you can, I can't but you can

INTO JAPANESE

できますか、できませんが、できます

BACK INTO ENGLISH

Can or can't, but can

INTO JAPANESE

できますができませんができます

BACK INTO ENGLISH

I can I can I can

INTO JAPANESE

私はできます。私はできます。

BACK INTO ENGLISH

I can. I can.

INTO JAPANESE

私　私です

BACK INTO ENGLISH

I can. I can.