误 He goes to school with bicycle every day.
正 He goes to school by bicycle every day.
误 He went home by his bicycle.
正 He went home by bicycle.
误 They went there by bicycles.
正 They went there by bicycle.
析 by bicycle是固定搭配,表示抽象的“交通方式”,其中by是by means of(以…方法)的意思,不可换用其他介词。其后的bicycle只能用单数,且其前不可加限定词。