YOU SAID:

i am the best friend i ever i did the best thing idk

INTO JAPANESE

私は今までで最高のことをした親友ですidk

BACK INTO ENGLISH

I'm the best friend I've ever done idk

INTO JAPANESE

私は今までidkをした親友です

BACK INTO ENGLISH

I'm a best friend who has ever been idk

INTO JAPANESE

私は今までidkであった親友です

BACK INTO ENGLISH

I'm my best friend who was idk until now

INTO JAPANESE

私は今までidkだった私の親友です

BACK INTO ENGLISH

I'm my best friend who was idk until now