I have trouble to learn sth对吗?

I have trouble to learn sth对吗? I have trouble to learn sth i have sth want to ask you 这句对吗 I know there have trouble for you to do sth.这句话哪里错了? All I have to do is learn English.中的learn用法对吗 have trouble doing sth have trouble in sth have trouble with sth I have some difculty in sth对吗 ? 改错：I'm having trouble to learn English. All I have to do is learn English.这句话语法对吗? have trouble in doing sth