YOU SAID:

i has a cheeseburger with a side of sushi and my boyfriend did too

INTO JAPANESE

チーズバーガーに寿司が付いていて、彼氏も食べました

BACK INTO ENGLISH

I had a cheeseburger with sushi, and my boyfriend ate it.

INTO JAPANESE

私はチーズバーガーと寿司を食べて、彼氏はそれを食べました。

BACK INTO ENGLISH

I ate cheeseburger and sushi and my boyfriend ate it.

INTO JAPANESE

私はチーズバーガーと寿司を食べ、彼氏はそれを食べました。

BACK INTO ENGLISH

I ate cheeseburger and sushi and my boyfriend ate it.