【世纪金榜】九年级英语全册 Unit 7 Section A（1a—2d）课件.ppt

Unit 7Teenagers should be allowed tochoose their own clothes.Section A(1a2d),.单词拼写1.证件(n.)_ 2.冒烟;吸烟;烟(v.穿透(v.)_ 答案:1.license2.smoke3.part-time4.pierce,5.耳环;耳饰(n.)_ 6.闪光灯;闪光(n.)_ 7.safe(adj.)_(n.)安全答案:5.earring6.flash7.safety,.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,.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 choose2.dont think sixteen-year-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 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,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,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 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,【学以致用】Everybody should care about traffic_(safe).They reached the top of the mountain_(safe).答案:safetysafely,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,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 drinking wine_ _.我的父母允许我周末看电视。My parents_ me_ _ TV on weekends.答案:should be allowedisnt allowedallow;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,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;cancan 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.cutsB.cuttingC.cutD.to cutMr 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 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 allowed2.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;should5.It seems that,