要看to是不定式还是介词,一般来说接动词原形的多一点,但下面一般接ing形式：
devote one’s time to doing sth 把某人的时间用于(奉献于)做某事
be [get] used to doing sth习惯于做某事
be equal to doing sth 等于做某事,能胜任做某事
What do you say to doing sth 你认为做某事怎么样
be accustomed to doing sth 习惯于做某事
look forward to doing sth 盼望做某事
be opposed to doing sth 反对做某事
object to doing sth反对做某事
stick to doing sth 坚持做某事
get down to doing sth 开始做某事
take to doing sth 喜欢上做某事
admit to doing 承认做了某事
pay attention to doing sth 注意做某事