Unit 3 Teenagers should be allowed to choose their own clothes. Section A 1a-Grammar Focus（导学案1）祁彬娟【温故知新】用所给词的适当形式填空1. I used to _(have) long black hair. 2. He is afraid _(go) there.3. Im _(terrify) of spiders.4. He _(not use) to be afraid of the dark.【自主学习】Step 1：预习相关内容，写出下列词组。1.被允许做某事 2.应该被允许做某事 3.16岁的青少年4.兼职工作 5.使他们的耳朵打耳洞 6.和某人一起逛商店7.理发 8.看起来. 9.在周末 10.看起来酷/干净 11.和某人一起度过时光 12.需要时间做某事 13.代替做某事Step 2： 仔细观察1a中的图片，回答问题：Where would they like to go?Theyd like _.Step3：预习Grammar Focus中句子，你能总结其中的规律吗?e.g.1） I think students should be allowed to do homework with friends.我认为学生应该被允许和朋友们一起做作业。2）Sixteen-year-olds should not be allowed to drive.16岁的青少年不应该被驾车。思考：观察以上两个句子，总结含有情态动词的被动语态的结构_.Step4：Listening 任务1： 听录音，完成1b。任务2： 听2a，2b的录音，完成2a，2b.【合作探究】.allow的用法 1）The teacher allows him to play basketball. 老师允许他去打篮球。2）Teenagers are not allowed to smoke. 青少年不许吸烟。3）We dont allow smoking in public. 我们不允许在公共场合吸烟。4）I allow that he is a friendly man. 我承认他是个友好的人。归纳：allow的几种结构：1）allow sb. to do sth._; 2）be allowed to do sth.是_ 语态，意思是_; 3）allow+ doing sth._4) allow还可以连接宾语从句，表示“承认”.need的用法1.Young people need to have enough sleep.年轻人需要有足够的睡眠。2.I need some time to finish the work.我需要时间去做这项工作。归纳：need是_动词，意思是_,其用法有:need+ _/+_.get sth. + 过去分词 “_”的用法 1.Sixteen-year-olds should not be allowed to get their ears pierced. 16岁青少年不允许扎耳洞。2. She had to get her shoes _ that day. A. mend B. to mend C. mended.Instead / Instead of的用法区别1）They talk instead of doing homework. 他们没有做作业，而是在说话。2）She never studies. Instead, she plays tennis all day.她从不学习，而整天打网球。归纳：instead是_ 词，放在句_, 而instead of是_词，应放在句_.sixteen-year-olds与sixteen-year-old的意义和区别1.I dont think sixteen-year-olds should be allowed to get their ears pierced.我认为不允许16岁的青少年穿耳洞。2.a sixteen-year-old kid. 一个16岁的孩子。归纳：sixteen-year-olds是_词；“_”; sixteen-year-old是_词；.Stop的用法 1.And I think he should stop wearing that silly earring.而且我认为他应该停止戴那么傻的耳环。2.The workers were so tired that they had to stop to rest.工人们十分累，不得不停下来休息。归纳：stop+ to do sth. 表示_; stop doing sth.表示_; stop sb. from doing 阻止某人做某事【教师点拨】含情态动词的被动语态: 情态动词 + be + 过去分词；【当堂检测】. 快乐做一做。根据句意和提示完成句子。1.Tom is not a_ to go out on school nights.2.Sixteen-year-olds should not be allowed to get their ears p_.3.He told me to stop _ (sing). Its time to have classes. 我要试一试。单项选择1.I find this computer game _ to play.A. enough easy B. enough easily C. easy enough2.When she won the first prize, she was just a _ girl.A. twelve years old B. twelve-years-old C. twelve-year-old3.Tomorrow I will get my hair _. Its too long.A. cut B. cutting C. to cut4. Workers in our company have _personal computers.A. their own B. they own C. own their. 我要挑战。补全对话A: We have a lot of rules at my house.B: 1_, for example, I have to stay at home on school nights.A:I usually do, too. But sometimes2 _. What about weekends?B: Well, 3_.A: Me, too, 4_.B：And on Saturday afternoon. Im allowed to go shopping with my friends.A: 5_B: And Im allowed to choose my own clothes, but 6_.A. Im not allowed to get ears pierced yet. B. So do we C. Thats nice.D. but I have to be home by 10:00pm. E. Im allowed to study at a friends house.F. Im allowed to go to the movies with friends on Friday nights.【学习反思 】