What is the difference between the infinitive marker to and the preposition to? Give one example for each.
【正确答案】：The infinitive marker to is followed by a verb. For example, I want to play football. The preposition to is followed by a noun or a gerund. For example, all roads lead to Rome. Or I object to putting off the meeting.
【题目解析】：参考教材P185和P225
