YOU SAID:

i was eating a sandwich when two men ate my grandma

INTO JAPANESE

二人の男が私のおばあちゃんを食べたとき、私はサンドイッチを食べていました

BACK INTO ENGLISH

I was eating a sandwich when two guys ate my grandma

INTO JAPANESE

二人の男が私のおばあちゃんを食べたとき、私はサンドイッチを食べていました

BACK INTO ENGLISH

I was eating a sandwich when two guys ate my grandma