当“to”作介词时，后面通常会跟着动词-ing形式（动名词）或者名词/名词词组，比如：
例句： I look forward to talking to you on Friday afternoon.我期待下周五与你的谈话。
There is no obstacle to registering the company.册这家公司没有困难。
具体的用法：
1．动词+介词to+动名词
(1) admit to doing sth.承认做了某事(2) apply to doing sth.适用于做某事(3) object to doing sth.反对做某事(4) see to doing sth.负责做某事(5) stick to doing sth.坚持做某事(6) take to doing sth.喜欢上做某事,逐渐习惯做某事
2．动词+宾语+介词to+动名词(1) apply oneself to doing sth.专心致力于做某事(2) devote sth.to doing sth.把……献给做某事(3) devote oneself to doing sth.献身于做某事(4) limit sth.to doing sth.把……限制在做某事的范围内(5) reduce sb.to doing sth.使某人沦为做某事
3．动词+名词+介词to+动名词(1) give one’s life to doing sth.献身于做某事(2) give one’s mind to doing sth.专心做某事(3) have a dislike to doing sth.厌恶做某事(4) have an eye to doing sth.注意做某事(5) have an objection to doing sth.反对（反感）做某事(6) pay attention to doing sth.注意做某事(7) set one’s mind to doing sth.决心做某事
4．be+形容词+介词to+动名词(1) be equal to doing sth.等于做某事,能胜任做某事2) be opposed to doing sth.反对做某事(3) be reduced to doing sth.使某人沦为做某事(4) be devoted to doing sth.把时间（钱,精力等）献给做某事(5) be limited to doing sth.把……限制在做某事的范围内
5．其他结构+介词to+动名词(1) get down to doing sth.开始做某事,认真处理某事(2) look forward to doing sth.盼望做某事(3) What do you say to doing sth?你认为做某事如何?
温馨提示：答案为网友推荐，仅供参考