YOU SAID:

i need to eat lots of food

INTO JAPANESE

私はたくさんの食べ物を食べる必要があります

BACK INTO ENGLISH

I have to eat a lot of food

INTO JAPANESE

たくさん食べなきゃ

BACK INTO ENGLISH

I have to eat a lot

INTO JAPANESE

私はたくさん食べなければなりません

BACK INTO ENGLISH

I have to eat a lot