YOU SAID:
If you don’t have a bread, eat cake.
INTO JAPANESE
パンがない場合はケーキを食べればいい。
BACK INTO ENGLISH
If you don't have bread, you can eat cake.
INTO JAPANESE
パンがない場合はケーキを食べることができます。
BACK INTO ENGLISH
If you don't have bread, you can eat cake.
That didn't even make that much sense in English.