1、Review of Unit 4 Grade 9 I used to be afraid of the dark,people,popular places,environment,transportation,Changes in our city,appearance,personality,hobby,friends homes,parks,cinemas,shopping malls,air,trees,rivers,cars,factories,subway,cars,public bikes,Sentence patterns: used to be / do, but now d

2、idnt use to be / do, but now Did use to be / do? Yes, .did. / No, didnt. What did use to be like / do?,adj. tall, short, heavy, thin, humorous, shy, outgoing, strong, friendly, funny, brave, serious n. long hair, short hair, curly hair, straight hair, v. wear glasses, like reading/ traveling/ doing

3、sports, care about, go to the gym, spend time with family prep. be of medium height / build Reasons: because ,We used to walk or take the bus to school , but now we take the subway. Because it is very convenient. People didnt use to drive cars, but now they often do.,I used to be short. I didnt use

4、to be popular at school, but know I am more outgoing. Did I use to wear glasses? Yes, I did. / No, I didnt. What did I use to like doing? I used to like watching TV. But now I like doing sports. Because I think health is the most important.,We used to go to friends homes to hang out. We didnt use to

5、 go to the cinema, but now we like to go to the movies. Because there are more choices now.,adj. fresh, clean, tidy, clear, green, blue, grey, beautiful, n. black smoke, pollution, v. drive, pour dirty water into the rivers Reasons: because,adj. public, quiet, crowded, private, noisy, n. fun, v. han

6、g out, have fun, go to a movie, see something meaningful, go shopping, Reasons: because ,adj. convenient, busy, crowded, n. energy, the importance of, v. drive, walk, take the subway, ride the mobike, save time/ energy, protect the environment, Reasons: because,We used to breathe fresh air, but now

7、it is polluted because of the cars and factories. People didnt use to drive cars, but now they often do. Did we use to see blue sky? Yes, we did.,Changes in our city,In the past: used to be / do, didnt use to be / do, Did use to be / do? Yes, .did. / No, didnt. What did use to be like / do? 2. Simpl

8、e past tense （一般過去時）,Topic:,Sentence patterns:,But now: Simple Present Tense（一般現在時）,Lets summarize!,compare the past and present,good / bad changes,discuss the reasons / talk about your own ideas,Chengdu,transportation,people,Beginning :,Body:,used to ., but now. didnt use to, but now,Ending :,environment,popular places,Homework,Changes in Chengdu,people,transportation,environment,popular places, ,Beginning :,Body:,used to ., but now. didnt u