精选优质文档-倾情为你奉上Unit9知识点梳理知识点梳理 1.Have you ever been to a science museum?你曾经去过科学博物馆吗？ Yes, I have. 是的，我去过。【解析1】ever 曾经 (ever用于现在完成时的疑问句和否定句中) Have you ever seen the film? No, never.【解析2】have/has been to / have / has gone to / have/ has been in 辨析： 1) have/ has been to + 地名 “曾经去过某地”，现已经回到原地。 He has been to England twice. 他曾经去过英国两次。(现在已经不在英国了) Have you ever been to the Great Wall？你到过长城吗?（现在已经不在长城上） 2) have gone to “已经去某地了”，某人去了某地还没回来。 He has gone to
