中考英语现在完成时解析内容摘要：
果 ) I’ve known him since then. 我从那时起就认识他了。 (表经历 ) since 用来说明动作起始时间 — “自从 ……” for用来说明动作延续时间长度 — “长达 ……” I have lived here for more than twenty years. I have lived here since I was born. My aunt has worked in a pany since 1949. I have not heard from my uncle for a long time. 比较 since和 for 注意：并非有 for 作为时间状语的句子都用现在完成时 I worked here for more than twenty years. (我现在已不在这里工作。 ) I have worked here for many years. (现在我仍在这里工作。 ) He has gone to Shanghai. 他 (已经 )去上海了。 He has been to Shanghai. 他 (曾经 ) 去过上海。 比较 have/has been to have/has gone to He went to Shanghai last week. 他 (曾经 )到 /去过上海 [在他人生中曾经有过这样的经历 ,但他人现在肯定不是在上海而是回来了 ] 他已经 去上海了 [也许刚动身出发 ,也许已经到了 ,也许还在路上 ,反正他人不在这里 ] 上周他 [做了一件事 :那就是 ]去了上海 He has been to Shanghai. He has gone to Shanghai. He has been in Shanghai for 10 years. 他 呆在上海迄今为止已经 10年了 [现在还在上海没有离开呢 ] He lived in Shanghai for 10 years. 以前他 在上海住过 10年 [现在不在上海了 ] 辨析这些句子 由时态导致的。阅读剩余 0%
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