Please let everybody know that whoever wants to may attend the funeral .后面的 whoever wants to may attend the funeral 怎么分析

Please let everybody know （前为主句）that（引导宾语从句） {在这个宾语从句中,whoever引导主语从句}（whoever wants to ）may attend the funeral .
（whoever wants to ）whoever引导主语从句并在从句中做主语,may attend （谓语）the funeral（宾语）
译为：请让大家知道：无论谁想要去参加葬礼,都可以去