sUnit 9 Have you ever been to a museum句型透视1. Have you ever been to a science museum?（P65）你曾经去过科学博物馆吗？ Yes，I have. 是的，去过。【解析1】ever 曾经 (用于现在完成时。ever用于疑问句、否定句)Have you ever seen the film? No, never.(现在完成时二：表示曾经的经历或从未有过的经历或做过某事，常用ever 和never，多用于疑问句或否定句中）【解析2】have/has been to / have / has gone to / have/ has been in 辨析： have/ has been to + 地名 “曾经去过某地” , 现在已经回到原地。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
