2014年秋九年级英语全册Unit7TeenagersshouldbeallowedtochoosetheirownclUnit7SectionA（1a—2d）课件.ppt

1、Unit 7Teenagers should be allowed to choose their own clothes. Section A(1a2d),. 短语连线 1. be worried about A. 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. 打耳洞,1. Teenagers should be allowed to have their own ideas. The classroom

2、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,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

3、 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。,【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 (2)safe adj. “安全的”, 反义词是dangerous。 (3)safely adv. 安全地,2. Teenagers should be allowed

4、 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, 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

5、们不允许在这儿吸烟。,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. )之间存在逻辑上

6、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。,. 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-year-olds should,3. 他们不够认真。 They arent_ _ . 4. 他应该停止戴那个

7、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 enough4. stop wearing5. 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; dont,【学以致用】 You had better get your hair_, John. Its too lo

8、ng for a boy, I think. OK, mom. A. cutsB. cuttingC. cutD. 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_ (safe). 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. safety2. repaired3. talking4. seeing5. to go,. 句型转换 1. We should allow teenagers to have their own ideas. (改为被动语态) Teenagers_ _ _ to have