Unit+1+Topic+3+Section+A（共25张PPT）.ppt

Unit 1 The Changing World Topic 3 The world has changed for the better .Section A ---Have you_____ been to Beijing ? ---Yes, I have . I have _____ come back . ---No, I haven’t . I have _____ been there . 2. ---How long have you been in Beijing? ---I have been there there for two weeks. ---I have been there since last week. ever just never Who can describe Beijing? In the past Nowadays What took place in New York? As a matter of fact/ In fact, Lucy is good at dancing. As a matter of fact/ In fact, I am strong. as a matter of fact = in fact 1b Listen to 1a and tick what was mentioned about New York. In the past terrible traffic dirty streets unfriendly people dangerous to live less shopping centers Nowadays beautiful parks clean and fresh air huge markets famous museums good schools excellent restaurants 1a Listen , look and say 1c Work in pairs and describe New York to your partner based on 1b. You may start like this : A: How much do you know about the traffic in New York ? B: I heard that the traffic there was terrible . Do you have any ideas about the streets there ? A: … Complete the sentences with since or for. 1. You have been in New York _____ a long time. 2. The city has improved a lot _____ I came here a few years ago. for since You have been in New York for a long time. for a long time came to New York present past sb. have/ has been in... 某人一直在…… e.g. I have been in the new school for a week. for a week last week present past for + 时间段 ..., but the city has improved a lot since I came here a few years ago. since I came here a few years ago came here present past since +从句（从句谓语动词用过去式） e.g. She works in the school since 1995. since 1995 lived present past since +时间点 e.g. He has waited for Tom since two hours ago. since two hours ago 8:00 present past since + 时间段+ago 10:00 I have worked in the school for three years . =I have worked in the school since three years ago . =I have worked in the scho