有keep up to do sth 这一用法吗坚持做某事,能这样说吗?

有keep up to do sth 这一用法吗坚持做某事,能这样说吗? Keep+to do sth keep有keep doing sth.keep do sth .keep to do sth .请把用法和例句留下 keep sb to do sth 保持做某事 只有keep on doing sth.有没有keep doing sth.或keep to do sth. keep sb doing sth 和keep sb to do sth 有什么区别啊 keep词组有keep sb doing sth或keep sb to do sth吗或keep doing Keep to do?要准确 速来速来速来!keep to do sth 有这个词组么? 有没有keep to do sth.这个固定搭配. 有没有keep on to do sth.的说法? keep to do sth keep doing sth的区别 keep in mind 和make up one's mind to do sth各是什么意思 英语,keep doing sth ,还是keep to do sth ,或者kee英语,keep doing sth ,还是keep to do sth ,或者keep do sth go on doing sth,go on to do sth,continue doing sth,continue to do sth,keep doing sth它们有什么区别 有没有pick sb up to do sth 这种句型? opportunity；as though；make up one's mind to do sth；see that；favorite；keep up with分别造句 keep sb.up to date on sth 语法keep sb.up to date on sth 中的 on 是作什么用呢?有哪个可代替?亦或这是固定用法? insist on ,stick to (doing),keep at,keep doing sth,keep on doing keep to do sth.go on doing goinsist on ,stick to (doing),keep at,keep doing sth,keep on doing,keep to do sth.go on doing,go on to do,go on with ,有什么区别