你可以先把原句的对象一个一个提炼出来,对其进行提问.
对I提问：Who went to Hainan with your family?
对went to Hainan提问：What did you do?
对Hainan提问：Where did you go with your family?
对my提问：Whose family did you go to Hainan with?
对my family提问:Whom did you go to Hainan with?