YOU SAID:

I think I like someone that I shouldn't.

INTO JAPANESE

私は私がすべきでない人が好きだと思います。

BACK INTO ENGLISH

I think I like people I should not do.

INTO JAPANESE

してはいけない人が好きだと思います。

BACK INTO ENGLISH

I think I like people who should not do it.

INTO JAPANESE

してはいけない人が好きだと思います。

BACK INTO ENGLISH

I think I like people who should not do it.