to后面动词加ing还是用动词原型

to +do 是不定式
to + doing 这里的to是介词,介词后面要接名词性质的,而doing就是名词性质的,所以to 后接doing.
这个to是不是介词要根据前面的动词决定.后接介词to的动词并不多,所以最简单的办法,把这些特殊的动词记住了,除了这些,其他的基本上都用to do .
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
devote one’s time to doing sth 把某人的时间用于(奉献于)做某事
be equal to doing sth 等于做某事,能胜任做某事
be used to doing
dedicate to doing
admit to承认
confess to承认,
be accustomed to 习惯于
be used to 习惯
stick to 坚持
turn to开始,着手于
devote oneself to 献身于
be devoted to 致力于
look forward to 盼望
pay attention to 注意