I'm having trouble后面接什么?do?to do?doing?

I'm having trouble后面接什么?do?to do?doing? I’m having trouble ____foreigners.A-understand B-understanding 改错：I'm having trouble to learn English. I'm sorry you are having trouble in making friends.是啥意思? I'm sorry you are having trouble in making friends的英文翻译是,sorry的意思是什么? now i'm having I am having some trouble with my classmates at the moment里面的have trouble I was having trouble just drawing breath中drawing breath是否是分词,修饰trouble 请英语高手帮忙分析句子结构请英语高手帮忙分析下这个句子结构：I'm having trouble with my classmates. -What's the matter?-I'm having trouble _______ who has taken my book.A.finding B.looking for C.finding out D.looking up 英语翻译I'm sorry ______ trouble you i'm sorry to trouble 如题 The Trouble I'm In 歌词 The Trouble I'm In 歌词 I'm sleeping .don't trouble me I'm having her _ EnglishI'm having her _ EnglishA.teaches B.teach C.to teach D.taugh这道题选什么？是什么意思？i'm 后面接having，接着又接her, 这是什么结构啊？ ‘But I`m still having breakfast,`I said.中为什么breakfast的后面是逗号,不应该是句号吗? having drunk some milk i have some trouble with my stomach这里为什么用having而不用have?为什么?