英语哟~study to do 和study doing 的区别嗯嗯..study to do & study doing learn to do & learn doingstart to do & start doing(同一个词2用法)的区别?

英语哟~study to do 和study doing 的区别嗯嗯..study to do & study doing learn to do & learn doingstart to do & start doing(同一个词2用法)的区别?
英语哟~study to do 和study doing 的区别
嗯嗯..
study to do & study doing
learn to do & learn doing
start to do & start doing
(同一个词2用法)的区别?

英语哟~study to do 和study doing 的区别嗯嗯..study to do & study doing learn to do & learn doingstart to do & start doing(同一个词2用法)的区别?
我只知道start to do和start doing的区别：
1 谈及一项长期活动或开始一种习惯时,使用doing.
2 begin,start用进行时时,后面动词用不定式to do
3 在attempt,intend,begin,start 后接know,understand,realize这类动词时,常用不定式to do.
4 物作主语时

1."to do " 的一般是指将来时,或停下一件事去做另一件事
2.但"doing "一定是正在进行时,或做接连做另一件事情.