YOU SAID:

my granddaughter likes it in the back door.

INTO JAPANESE

私の孫娘は、後ろのドアに好きです。

BACK INTO ENGLISH

My granddaughter is in the back door is like.

INTO JAPANESE

私の孫娘は、後ろのドアのようなものです。

BACK INTO ENGLISH

My granddaughter is like a back door.

INTO JAPANESE

私の孫娘は、バックドアのようです。

BACK INTO ENGLISH

My granddaughter is a backdoor.

INTO JAPANESE

私の孫娘はバックドアです。

BACK INTO ENGLISH

My granddaughter is a backdoor.