精选优质文档-倾情为你奉上Unit 9 Have you ever been to a museum?Section A1. 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