这里是不定式(to do)作定语修饰the first man 句子译为:他是第一个驾驶速度在300公里每小时以上的人. of 是所有格形式,与此毫无关系 不定式(to do)作定语例句: I have some friends to invite. 我要邀请一些朋友 【to invite修饰friends】 I have something to do. 我有些事要做 【 to do修饰something】
Tom was the first man to drive at over 300 miles per hour. 可以改成:Tom was the first man who drive at over 300 miles per hour. to do不定式结构此时作定语修饰the first man