My brother has neve been abroad before.我弟弟以前从未出过国.问：请看下面我知道 是一个现在完成的句子,has/have+ done,但我就是不能理解为什么会出现一个been,如果这句话变成一般现在时,那不就是is

my brother has blue trousers My brother has neve been abroad before.我弟弟以前从未出过国.问：请看下面我知道 是一个现在完成的句子,has/have+ done,但我就是不能理解为什么会出现一个been,如果这句话变成一般现在时,那不就是is My brother has some friends 一般疑问句 My brother has three 的主语是 my brother( have/has) a TV My brother has two brothers.怎么翻译 my brother has marryed帮忙翻译一下 My brother (has) three为什么要用has my mother has a brother ,he is my u------- my brother has a bike（做否定回答）my brother（）（）a bike my brother has five good friends 中的my brother怎么提问 my brother has lunch at school改为同义句My brother () lunch at school my brother has got a chinese kite中文翻译 my brother has some story books.改一般疑问句 My brother has some toys.改成一般疑问句怎么改 my brother has many friends（怎么改为一般疑问句) My brother has some new stamps (改为一般疑问句) my brother has bananas every morning 变成一般疑问句