YOU SAID:
Ich mag das bett nicht
INTO JAPANESE
私はベッドが好きではありません
BACK INTO ENGLISH
i don't like the bed
INTO JAPANESE
私はベッドが好きではない
BACK INTO ENGLISH
i don't like bed
INTO JAPANESE
私はベッドが好きではない
BACK INTO ENGLISH
i don't like bed
That didn't even make that much sense in English.