My brother has never been abroad before,so he is finding this trip very exciting.这个find的ING形式在这里是什么意思?

My brother has never been abroad before为啥加been? My brother has never been abroad before中为什么要用has never been 为什么要用has never been has和been my brother has never seen the film.i haven`t,either 改为同义句 My brother has never read this book (改为反意疑问句） My brother has never been abroad beforeabroad是副词为啥前面跟been? my brother has never been abroad before1那个是表示时间的状语 My little brother has never been to ___amusement park.A an B the My heart has never my brother has never been abroad before 这句话 是这个has been to去某地 不是的话那是什么? my brother has blue trousers Never in my wildest dreams _____ my younger brother has got……should I imagine还是could I imagine My intuition has never deceived He has been there for six months 和 My brother has never been abroad before.这2个句中为什么要加BEEN?FOR起什么作用呢》? 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