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1、Unit 3 Teenagers should be allowed to choose their own clothes Section B 1a-4学案一教学准备Teaching Aims：重点词汇： pierce，license, silly, earring,重点短语：go out with friends, every night, drive, have part-time jobs, get their ears pierced, choose their own clothes, too wild, too young, too silly, not serious enou
2、gh，not old enough，not calm enough， instead of, stay upTeaching Focus：重点句型：Teenagers should be allowed to choose their own clothes.Sixteen-year-olds should not be allowed to drive.Teaching difficulties：To have a revision of the knowledge we have learnt.二、资料准备：课本P20 SectionB1a 4 三、学习过程：Step One: 找出下列词
3、组短语1、与某人一起外出_ 2、从事业余工作_3、打耳眼_ 4、选择自己的衣服_ 5、驾驶执照_ 6、去市场_ 7、足够严肃_ 8、年龄足够大_9、足够沉着_ 10、十六岁的孩子们_ 11、允许某人做某事_12、允许做某事_ 13、理发_14、停止做某事_15、停下手中的事情去做另一件事_ 16、在周末_17、代替做某事_设计意图：学习新单词和短语，为阅读短文打好基础。Step Two：知识点回顾:1.allow“允许，许可” allow doing “允许做某事” .allow sb. to do sth “允许某人做某事be(not) allowed (to do sth).“（不）被允许
4、(去干某事) 例如：1）.She me fishing.她允许我去钓鱼。2.)They dont in the reading room他们不会允许你在阅览室里抽烟。3).Smoking in the reading room.阅览室禁止吸烟。4).Teenagers shouldnt .青少年不应该被允许吸烟。2.Teenagers should be allowed to choose their own clothes.青少年应该被允许选择自己的衣服。这里should be allowed是含有情态动词should的被动语态，其结构是：“should+be+及物动词的过去分词”，意为“应
5、该被”。例如：1).Sixteen-year-olds shouldnt be allowed to drive.译为： 2).The work shouldnt be given up. 译为: 3)Children to speak the truth.应该教导孩子讲实话。4)What school rules do you think (应该被改变)？ 4. 句中get their ears pierced “穿耳孔”，属于get + 宾语 + 过去分词结构，即get / have sth. done 常用于表示请或让某人做某事。1. He had his bike _ ( repair
6、 ) yesterday.2. Ill have my hair _ ( cut ) tomorrow.5.instead 和instead of “代替，而不是”We eat rice _ noodles. They went swimming instead of _(watch) the football match.The water here is not good , so I drink coffee _.6.主语+seem+to do=It seems + that从句 He seems to be busy .=It _.7.-We have a lot of rules a
7、t my house. -So do we.“So do we.”是倒装句，其结构是“so+系动词/助动词/情态动词+主语”，意思为“也”表示前者所情况同样适用于后者，时态应和上一句保持一致，前后两个句子的主语指不同的人或物。如：1. I like learning English, and so my sister.2. You can drive. Jack(杰克也会)。3. You have a lot of beautiful stamps. I also have lots of beautiful stamps.（同义句改写）You have a lot of beautiful
8、stamps. I.4. He has been learning English for about six years, I.拓展延伸：1）如果前面的句子是否定句，则要将so改为neither或nor.如：If you dont go to the park, neither/nor will I.2)“so+主语+系动词/助动词/情态动词”，表示对前面所述情况作进一步肯定，意为“确实如此”，前后两个句子说明同一个人或物。如：1.-Maria is a warm-hearted girl. -So she is.（他确实是。）2.My daughter ate a lot of ice c
9、ream in school.-Yes, .(A.so did she B.so she did C.so was she.)设计意图:通过这一活动，使学生掌握词语的用法。四：反馈达标： 句型转换1. He seems to have many friends. (改写句子，句意不变) _ seems _ he _ many friends.2. I think your homework should be done at once. (改为否定句)I _ think your homework _ be done at once.3. People should allow teenagers to spend some time playing with their friends. (改为被动语态)Teenagers should _ _ to spend some time playing with their friends.4. We must clean our classroom every day.（改为被动语态）Our classroom _ _ _by us every day.（改为被动语态）五、教学反思：
