YOU SAID:

I have a cat on my bed

INTO JAPANESE

私のベッドに猫を持っています。

BACK INTO ENGLISH

My bed has a cat.

INTO JAPANESE

私のベッドは、ネコを飼ってをいます。

BACK INTO ENGLISH

My bed has a cat is.

INTO JAPANESE

私のベッドが猫です。

BACK INTO ENGLISH

My bed is a cat.

INTO JAPANESE

私のベッドは、猫です。

BACK INTO ENGLISH

My bed is the cat.

INTO JAPANESE

私のベッドは、猫です。

BACK INTO ENGLISH

My bed is the cat.