Unit 7 Have you ever been to a museum?课文重难点讲解Section A1. Have you ever been to a science museum?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.【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?（现在已经不在长城上） have gone to “已经去某地了” ， 说话时该人不在现场
