men who made them have disappeared without trace这句话中them后为什么还加个have，是什么特殊用法吗

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make sb do sth 使某人做某事，所以用加have
men是先行词，who引导昌迟罩定语从句，修饰men，without trace 做状语
使它们已经消失得无影耐闹无踪的人们。旦春

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men (who made them) have disappeared without trace. men后面跟了个配者比较短的定如山语从句，have 和them没有关系渣卖中

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