YOU SAID:

yesterday i was talking to an onion

INTO JAPANESE

昨日、私はタマネギと話していました

BACK INTO ENGLISH

Yesterday I was talking to an onion

INTO JAPANESE

昨日タマネギと話していた

BACK INTO ENGLISH

I was talking to an onion yesterday

INTO JAPANESE

昨日タマネギと話していた

BACK INTO ENGLISH

I was talking to an onion yesterday