1、,Unit 4 I used to be afraid of the dark.,Wednesday 星期三(Grammar Focus4c),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 the
2、y 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 isnt 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：didnt use to+ 动词原形。如：You didnt use to like mutton. 你过去不喜欢吃羊肉。,( Grammar Focus-4c),3. 疑问式： “Di
3、d主语use to+ 动词原形?” 肯定回答:Yes，I did. 否定回答: No，I didnt. 如： Did she use to like Tom? 她以前喜欢汤姆吗？ Yes，she did. No，she didnt. 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),To protect our environment，bicycling is becoming more and more popular in many European, Asian and African co
4、untries now. All people，especially the British, no matter they are old or young can enjoy this fun and green sport in public. At least，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 ar
5、ound 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 polluting the environment.,( Grammar Focus-4c),Folding(折叠)bikes work well for people who want to take the train.
6、Just fold the bike and take it with you. You can do the same on an airplane. A folding bike can be packed in a suitcase. You can also take a common bike with you when you fly. But be sure to look for information by getting on airline websites.,( Grammar Focus-4c),Not all airlines are bicyclefriendly
7、 to travelers. Its good for our health. Bicycling helps to control your weight. A 15minute bike ride to and from work three times a week burns off five kilos of fat in a year. Bicycling can improve your mood(心情).,( Grammar Focus-4c),Exercise like bicycling has been shown to make people feel better a
8、nd more relaxed. Bicycling is healthier than driving.,( Grammar Focus-4c),( )1. From the passage，we know that bicycling is becoming very _. A. surprising B. exciting C. expensive D. popular,D,( Grammar Focus-4c),( )2. When you are riding your bicycle around your neighborhood，you may _. A. pollute th
9、e environment around B. find something you didnt notice C. go everywhere and use a little oil D. get off your bike and begin to work,B,( Grammar Focus-4c),( )3. What does the underlined word “suitcase” mean in Chinese? A. 职业装 B. 行李箱 C. 包装 D. 快递,B,( Grammar Focus-4c),( )4. One of the benefits from bi
10、cycling is that _. A. you may get fatter and fatter B. you will be more relaxed C. you will be friendly to others D. you can fold the bicycle,B,( Grammar Focus-4c),( )5. Which is TRUE according to the passage? A. Bicycling is good exercise for people. B. Driving cars is healthier than bicycling. C. Bicycling pollutes your neighborhood. D. Common bikes are welcomed by all airlines.,A,( Grammar Focus-4c),( Grammar Focus-4c),( Grammar Focus-4c),( Grammar Focus-4c),谢 谢 观 看 ！,
