have ...doing have ...done have...do区别是什么?

have fun doing sth have difficult time doing Have any problem doing have fun in doing have fun doing造句 have fun doing sth. have trouble doing sth have trouble doing sth have been doing sth have sth doing用法? have problem doing 中文 have been doing ,have done和have doing区别 have a hard time doing 还是have hard time doing have difficulty in doing sth .have trouble in doing sth 是have difficulty doing sth还是have difficult doing sth? have difficulty doing sth可以写成 have difficulties doing sth have you finished doing是什么意思 sb have trouble (in) doing