用plan on doing sth造句

用plan on doing sth造句 用keep on doing sth 造句 work on doing sth造句? plan on doing sth 该语法正确吗?为什么? spend...on(in)doing sth.造句 spend st/sm on doing sth 造句 用enjoy doing sth造句 用like doing sth造句 用stop doing sth造句 用practice doing sth造句 用practice doing sth.造句 用forget doing sth造句 用allow doing sth.造句 用remember doing sth造句 用plan to do sth造句 用plan to do sth造句 plan for sth造句, admit doing sth report doing sth appreciate doing sth deny doing sth explain doing sth 用英语造句