Unit 2 I have a friend,Warm up: Look and see, which city are they in,Warm up: Look and see, I went to in,I went to Beijing in 1990. I have been to Beijing. Have you been to Beijing yet? Yes, I have. I have already been to Beijing. No, I havent. I havent been to Beijing yet,already表示已经，用于肯定句,yet表示还，用于否定句或一般疑问句,A game: Choose a city, ask and answer,Dalian,Ningxia,Xian,Hangzhou,Dali,Nanchang,Taiyuan,Do a survey. Ask your friend: have you been toyet,Grammar: have been to have been to 表示已经去过某地,动作发生在过
