YOU SAID:

I don't suppose you would happen to have a spare lying around?

INTO JAPANESE

私はあなたが周りにスペアがあることが起こるだろうとは思わない？

BACK INTO ENGLISH

I do not think that it would happen that you have spares around?

INTO JAPANESE

私はあなたが周りのスペアを持っていることが起こるだろうとは思わない？

BACK INTO ENGLISH

I do not think that it will happen that you have spares around?

INTO JAPANESE

私はあなたが周りのスペアを持っていることが起こるだろうとは思わない？

BACK INTO ENGLISH

I do not think that it will happen that you have spares around?