YOU SAID:

the worm sat on the fence on the dog and ate croissants and wanted to die because was allergic to his best friend the fly

INTO JAPANESE

その虫は犬の柵に座ってクロワッサンを食べ、親友のハエにアレルギーがあったので死にたいと思っていました。

BACK INTO ENGLISH

The bug sat on the dog's fence, ate a croissant, and wanted to die because his best friend was allergic to flies.

INTO JAPANESE

その虫は犬の柵にとまってクロワッサンを食べ、親友がハエアレルギーだったため死にたがっていました。

BACK INTO ENGLISH

The bug sat on my dog's fence and ate my croissant, and it wanted to die because my best friend was allergic to flies.

INTO JAPANESE

その虫は私の犬の柵に止まって私のクロワッサンを食べましたが、私の親友がハエアレルギーだったので死のうとしていました。

BACK INTO ENGLISH

The bug landed on my dog's fence and ate my croissant, but it almost died because my best friend was allergic to flies.

INTO JAPANESE

その虫は私の犬の柵に止まり、私のクロワッサンを食べましたが、私の親友がハエアレルギーだったので、ほとんど死にました。

BACK INTO ENGLISH

The bug landed on my dog's fence and ate my croissant, but it almost died because my best friend was allergic to flies.