热心网友

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

热心网友

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

热心网友

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

热心网友

警察没有排除汤姆被谋杀的可能性.The policemen did not exclude the possibility of Tom`s having being murdered.