YOU SAID:

I once was a duck, in fact I still am a duck.

INTO JAPANESE

私はかつてアヒルでしたが、実際はまだアヒルです。

BACK INTO ENGLISH

I used to be a duck, but it is still a duck.

INTO JAPANESE

私はかつてアヒルでしたが、それでもアヒルです。

BACK INTO ENGLISH

I used to be a duck, but it is still a duck.