YOU SAID:
He's crunching on sandvich!
INTO JAPANESE
サンドヴィッチをバリバリ食べてるよ!
BACK INTO ENGLISH
I'm eating a lot of sandwich!
INTO JAPANESE
サンドイッチをたくさん食べています!
BACK INTO ENGLISH
I eat a lot of sandwiches!
INTO JAPANESE
サンドイッチをたくさん食べます!
BACK INTO ENGLISH
I eat a lot of sandwiches!
That didn't even make that much sense in English.