YOU SAID:
if i eat sandwich tomorrow and don't eat hamburger i cannot
INTO JAPANESE
明日サンドイッチを食べて、ハンバーガーを食べないなら、私はできない
BACK INTO ENGLISH
If I don't eat sandwiches and hamburgers tomorrow, I can't.
INTO JAPANESE
明日サンドイッチやハンバーガーを食べなければ食べられない。
BACK INTO ENGLISH
If you don't eat sandwiches and hamburgers tomorrow, you won't be able to eat them.
INTO JAPANESE
明日サンドイッチやハンバーガーを食べないと食べられない。
BACK INTO ENGLISH
If you don't eat sandwiches and hamburgers tomorrow, you won't be able to eat them.
Come on, you can do better than that.