1、Teenagers should be allowed to choose their own clothes. Section A(1a2d),Unit 7,. 单词拼写 1. 证件(n. ) _ 2. 冒烟; 吸烟; 烟(v. 穿透(v. ) _ 答案: 1. license 2. smoke 3. part-time 4. pierce,新知预测,5. 耳环; 耳饰(n. ) _ 6. 闪光灯; 闪光(n. ) _ 7. safe(adj. ) _(n. )安全 答案: 5. earring 6. flash 7. safety,. 短语连线 1. be worried about A.
2、 拍照 2. get ears pierced B. 和朋友一起度过时间 3. spend time with friends C. 对感到兴奋 4. be excited about D. 为担心 5. take photos E. 打耳洞,. 句型填词 1. 青少年应该被允许选择他们自己的衣服。 Teenagers_ _ _ _ _ their own clothes. 2. 我认为16岁的年轻人不应该被允许开车。 I_ _ _ _ be allowed to drive. 答案: 1. should be allowed to choose 2. dont think sixteen-y
3、ear-olds should,3. 他们不够认真。 They arent_ _ . 4. 他应该停止戴那个愚蠢的耳环。 He should_ _ that silly earring. 5. 他好像没有很多的朋友。 He doesnt seem_ _ many friends. 答案: 3. serious enough 4. stop wearing 5. to have,6. 你认为如果不用闪光灯的话, 我们可以被允许拍照吗? Do you think we_ _ _ to take photos_ we_ use a flash? 答案: may be allowed; if; don
4、t,1. Teenagers should be allowed to have their own ideas. The classroom must be cleaned every day. Your homework can be finished tomorrow. _ 答案: 情态动词+be+动词的过去分词,探究学习,2. The book shouldnt be taken out of the library. Rubbish cant be thrown off everywhere. Must the trees be planted today? _ 答案: 否定句: 在
5、情态动词后面加not。 疑问句: 将情态动词提到主语前面。,1. safety n. 安全 【语境领悟】 *The school is concerned about the safety of the children. 这所学校关心孩子们的安全。 *Dont worry. Its safe to live here. 不要担心。住在这儿很安全。 *The plane landed safely. 飞机安全地着陆了。,课本要点点拨,【自主归纳】“安全”的不同词性 (1)safety n. “安全”, 反义词是danger。 carry sb. /sth. to safety把带到安全的地方
6、(2)safe adj. “安全的”, 反义词是dangerous。 (3)safely adv. 安全地,【学以致用】 Everybody should care about traffic_ (safe). They reached the top of the mountain_ (safe). 答案: safety safely,2. Teenagers should be allowed to choose their own clothes. 青少年应该被允许选择他们自己的衣服。 【句型剖析】 (1)should be allowed“应该被允许”, 是含情态动词的被动语态结构,
7、其中should是情态动词, 意为“应该”。,(2)allow的三种搭配: be allowed to do sth. “被允许做某事” allow sb. to do sth. “允许某人做某事” Please allow me to carry your bag. 请让我替你背包。 allow doing sth. “允许做某事” They dont allow smoking here. 他们不允许在这儿吸烟。,【学以致用】 应该允许青少年有自己的爱好。 Teenagers_ _ _ to have their own hobbies. 酒后驾驶是不允许的。 Driving after
8、drinking wine_ _ . 我的父母允许我周末看电视。 My parents_ me_ _ TV on weekends. 答案: should be allowed isnt allowed allow; to watch,3. I dont think sixteen-year-olds should be allowed to drive. 我认为不应该允许十六岁的青少年开车。 【句型剖析】本句是一个含有宾语从句的复合句, 其句式结构如下所示:,【归纳拓展】 英语中的“否定前移” (1)当主句的主语为第一人称I或we, 谓语动词是think, believe, expect,
9、suppose等动词时, 后面的宾语从句若要表示否定意义, 需将not移到主句中来, 即主句的谓语动词用否定式, 而从句的谓语动词用肯定式, 这种现象被称为“否定前移”。 (2)否定前移的宾语从句变反意疑问句时, 其附加疑问部分的主、谓语要与从句保持一致。 I dont think he is clever, is he? 我认为他并不聪明, 对吧?,【学以致用】 我认为她不会游泳。 I_ _ she_ swim. 我不相信他能独立完成那项工作, 对吗? I dont believe he can finish the work by himself, _ _ ? 答案: dont think
10、; can can he,4. Sixteen-year-olds shouldnt be allowed to get their ears pierced. 不应该允许16岁的青少年穿耳洞。 【句型剖析】 (1)get their ears pierced意为“穿耳洞”, 此处pierced是动词pierce的过去分词形式。 (2)“get/have+名词/代词+过去分词”结构, 意为“让某事被做”, 其中过去分词作宾语补足语, 表示被动意义, 与宾语之间存在逻辑上的被动关系。,【归纳拓展】 (1)have sth. done意为“让某事被做”, 其中过去分词与宾语(sth. )之间存在逻
11、辑上的被动关系。 (2)have sb. do sth. 意为“让某人做某事”, 其中动词原形与宾语(sb. )之间存在逻辑上的主动关系。,【学以致用】 You had better get your hair_, John. Its too long for a boy, I think. OK, mom. A. cuts B. cutting C. cut D. to cut Mr Green had his son_ (wash)the car. 答案: wash,. 用所给词的适当形式填空 1. More and more people care about the food_ (sa
12、fe). 2. He is going to get his computer_ (repair). 3. We stopped_ (talk)when our teacher came in. 4. He is excited about_ (see)the famous actor. 5. Students shouldnt be allowed_ (go)out on school night. 答案: 1. safety 2. repaired 3. talking 4. seeing 5. to go,达标检测,. 句型转换 1. We should allow teenagers
13、to have their own ideas. (改为被动语态) Teenagers_ _ _ to have their own ideas. 2. You mustnt take photos in the museum. (改为被动语态) Photos_ _ _ in the museum. 答案: 1. should be allowed 2. mustnt be taken,3. Your bike can be put behind the building. (改为否定句) Your bike_ _ put behind the building. 4. I think we should go there before 8: 00. (改为否定句) I_ think we_ go there before 8: 00. 5. The boy seems to have many friends. (改为同义句) _ _ _ the boy has many friends. 答案: 3. cant be 4. dont; should 5. It seems that,
