Study的用法 study to do 还是study doing

Study的用法 study to do 还是study doing 请教study和learn用法的区别,是study to do还是study doing?是learn to do还是learn doing? 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? Do you know how to study better and make your study more effective?开头的文 What I must do is study hard.这里的study为什么不加to呢. study on 与study of 的用法有什么区别 关于diffrent在find it ＋ adj.to do 的用法是i find it diffrent to study majth 还是 i find it diffrently to study math?老师说是后一种,可是这里不是加形容词吗,又不是副词? We are suppose to study hard to do something for our country什么意思这里的 suppose to study why do you choose to study aborad How do they like to study Study 后面+to do 还是 doing? how do they like to study research与study的区别和用法 learn和study的用法和区别! study,learn的词性和用法Thanks. learn study 的区别,具体用法 learn和study的区别与用法 study和learn的区别与用法