YOU SAID:

my neighbour lost his key and had to sleep on my couch

INTO JAPANESE

私の隣人は鍵を紛失して、私のソファで寝なければならなかった

BACK INTO ENGLISH

My neighbor lost her key and had to go to bed at my sofa

INTO JAPANESE

私の隣人は鍵を紛失して、ソファで寝なければなりませんでした

BACK INTO ENGLISH

My neighbors lost their keys and had to go to bed at the sofa

INTO JAPANESE

私の隣人は鍵を紛失してソファで寝る必要がありました

BACK INTO ENGLISH

My neighbors had to lose their keys and go to bed at the sofa

INTO JAPANESE

私の隣人はならなかったキーを失うと、ソファで寝ると

BACK INTO ENGLISH

My neighbor loses the key that did not come to sleep on the sofa

INTO JAPANESE

私の隣人は、ソファの上で寝るために来たキーを紛失します。

BACK INTO ENGLISH

Lost the keys came to my neighbor is sleeping on the couch.

INTO JAPANESE

ソファで寝ている私の隣人にキー来たを失われたです。

BACK INTO ENGLISH

Came the key to sleeping on the couch my neighbor lost is.

INTO JAPANESE

ソファで眠っている私の隣人にキーを失って来たのです。

BACK INTO ENGLISH

Lost key to sleeping on the couch and my neighbor's.

INTO JAPANESE

ソファと私の隣人の睡眠の鍵を紛失。

BACK INTO ENGLISH

Sleep sofa and my neighbor's key is lost.

INTO JAPANESE

睡眠のソファーと私の隣人のキーは失われます。

BACK INTO ENGLISH

Sleep sofa and my neighbor's keys are lost.

INTO JAPANESE

睡眠のソファーと私の隣人のキーは失われます。

BACK INTO ENGLISH

Sleep sofa and my neighbor's keys are lost.