Unit 4 I used to be afraid of the dark.Wednesday 星期三 (Grammar Focus—4c)一、核心词汇European ， African ， British ，speech ， public ( Grammar Focus-4c)二、重点短语in public 在公众场合三、主要语法： used to 用法小结used to 意为“过去常常”，表示过去存在，但现在已经停止的情况或习惯。 ( Grammar Focus-4c)1. 肯定式： used to+ 动词原形。如：They used to be good friends. (But they are not good friends now. )他们原来是好朋友。 ( 但现在不是了 ) ( Grammar Focus-4c)There used to be a tall tree in front of the house. (But there isn’t a tall tree in front of the house now. )以前房子前面有一棵很高的树。 ( 但现在没有了 )2. 否定式： didn’t use to+ 动词原形。如： You didn’t use to like mutton. 你过去不喜欢吃羊肉。 ( Grammar Focus-4c)3. 疑问式：“Did ＋主语＋ use to+ 动词原形… ?”肯定回答 :Yes ， I did. 否定回答 : No ， I didn’t. 如： — Did she use to like Tom? 她以前喜欢汤姆吗？—Yes ， she did. ／ No ， she didn’t. 是的，她喜欢。 / 不，她不喜欢。 ( Grammar Focus-4c)四、基础复现天天练 : 骑自行车的好处 ( Grammar Focus-4c)题型体裁词数难度 建议完成时间正确率阅读 B篇议论文 248 words★★☆☆☆6 min _____/5 To protect our environment ， bicycling is becoming more and more popular in many European, Asian and African countries now. All people ， especially the British, no matter they are old or young can enjoy this fun and green sport in public. At least① ， bikes can take you almost anywhere ， and there is no oil cost! ( Grammar Focus-4c)Get on a bicycle and ride around your neighborhood ， you may discover something new around you. Did you use to be afraid of parking your car? In case of bicycling ， there is no need to worry about that. You can ride to work and benefit( 受益 )from the enjoyable exercise without pol...
