YOU SAID:

Yesterday i was running around the park and suddenly i saw green bird with yellow tummy that was eating spaghetti

INTO JAPANESE

昨日公園を走り回っていたところ、いきなりスパゲッティを食べている黄色いおなかが付いた緑の鳥を見ました

BACK INTO ENGLISH

As I was running around the park yesterday, I suddenly saw a green bird with a yellow tummy eating spaghetti.

INTO JAPANESE

昨日公園を走り回っていたとき、突然、黄色いおなかがスパゲッティを食べている緑の鳥を見ました。

BACK INTO ENGLISH

As I was running around the park yesterday, I suddenly saw a green bird with a yellow tummy eating spaghetti.