YOU SAID:

I have a rat on my head, i must be riding a bike.

INTO JAPANESE

私は私の頭にネズミを持って、バイクに乗る必要があります。

BACK INTO ENGLISH

You must ride on the bike, I have a mouse in my head.

INTO JAPANESE

あなたは自転車に乗る必要があります、私は私の頭の中にマウスがあります。

BACK INTO ENGLISH

You need to ride a bicycle, I have a mouse in my head.

INTO JAPANESE

あなたは自転車に乗る必要があります、私は私の頭の中にマウスがあります。

BACK INTO ENGLISH

You need to ride a bicycle, I have a mouse in my head.