熱心網友

The police didn't rule out the posswibility that Tom was been murdered

熱心網友

The police haven't ruled out the possibility of Tom's having been murdered.

熱心網友

The possibility of Tom been murdered was not excluded by the policewell actually, u can use the first one as well, either way : )

熱心網友

警察沒有排除湯姆被謀殺的可能性.The policemen did not exclude the possibility of Tom`s having being murdered.