Tim has been abroad for three years.（TIM出国已经有三年） 我想问,为什么不是 t

Tim has been abroad for three years.（TIM出国已经有三年） 我想问,为什么不是 t tim has been a doctor for many years ,so he is an ____doctor tim has been in australia for six mouth.his brother hasn't s tim has been in australia for six months .his brother hasn"t She's been abroad for two years.be abroad表示出国 那BEEN在这里是什么意思? 我想问下 He has been killed for past three years 这个句子的谓语是什么? 是不是 Has Tim ever been abroad before or not?请帮我回答一下这个句子. ( )Tim _____ the school basketball team for three weeks.( )T He has been dead for three years jack has been dead for three years 还有一个问题 My uncle has been to Diseyland three times 对three tim His father has been dead for two years为什么用been?been不是表被动吗?