The best way to get there is by train.中的The best way to get there在句中作【主语】.还可以把不定式 to get there细分为【定语】,修饰The best way The best way to get there is by train.中的The best way to get there在句中作【主语】.还可以把不定式 to get there细分为【定语】,修饰The best way