She has been to beijing. (现在已不在北京,从结果上和现 在联系起来。) She has been in Beijing for two years. (现在仍在北京,从时间上和现在联 系起来。)
She has been to Beijing. (现在已不在北京, 从结果上和现 在联系起来。） She has been in Beijing for two years. （现在仍在北京, 从时间上和现在联 系起来。）
现在完成时的三种基本用法 1、未完成用法。表示动作或状态开始于 过去,一直延续到现在,可能继续发 展,也可能刚刚结束。 sn He has been in the army for ten years. I have studied English since 1980 He has lived here all his life
现在完成时的三种基本用法 1、未完成用法。表示动作或状态开始于 过去，一直延续到现在，可能继续发 展，也可能刚刚结束。 如：He has been in the army for ten years. I have studied English since 1980. He has lived here all his life
A.be,ive, study都是延续性动词。 B常用的时间状语: since., for..,in the past few years, so far, all his life
A. be, live, study都是延续性动词。 B.常用的时间状语： since…,for…,in the past few years, so far, all his life
2、反复性用法。表示过去到现在这段时 间内反复发生的动作 tn I have been to the city twice this week I have often wondered where she gets her money all these days 这种用法从时间上与现在发生了联 系
2、反复性用法。表示过去到现在这段时 间内反复发生的动作。 如：I have been to the city twice this week. I have often wondered where she gets her money all these days. 这种用法从时间上与现在发生了联 系
3、完成性用法。表示动作或状态到说话 时已经完成,通常所产生的结果把过 去的动作和状态和现在联系起来。 t He has gone to Shanghai 他已经去了上海。 (结果:他已不在这儿, He is not here now.)
3、完成性用法。表示动作或状态到说话 时 已经完成，通常所产生的结果把过 去的动作和状态和现在联系起来。 如：He has gone to Shanghai. 他已经去了上海。 (结果:他已不在这儿，He is not here now.)