单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,需要更完整的资源请到 新世纪教育网-,*,Unit 13,需要更完整的资源请到 新世纪教育网-,Unit 13需要更完整的资源请到 新世纪教育网-,1,Unit 13Were trying to save the earth!,需要更完整的资源请到 新世纪教育网-,Unit 13需要更完整的资源请到 新世纪教育网-,2,Section A 3Grammar Focus-4c,需要更完整的资源请到 新世纪教育网-,Section A 3需要更完整的资源请到 新世纪教,3,Revision,不同种类的污染,2.河底,3.把垃圾扔到河里,4.在中起作用,different kinds of pollution,the bottom of the river,throw rubbish into the river,play a part in,I.Check if you know these phrases.,需要更完整的资源请到 新世纪教育网-,Revision 不同种类的污染different kind,4,5.在中国南部,6.对有害,7.在顶部,8.海洋生态系统,in southern China,be harmful to,at the top of,the oceans ecosystem,需要更完整的资源请到 新世纪教育网-,5.在中国南部in southern Chinabe ha,5,II.Translation.,1.甚至河底都满是垃圾。,2.这个方法不仅残酷还对环境有害。,Even the bottom of the river was full of rubbish.,This method is not only cruel,but also harmful to the environment.,需要更完整的资源请到 新世纪教育网-,II.Translation.1.甚至河底都满是垃圾。E,6,3.鲨鱼处于海洋食物链的顶部。,4.许多人相信鱼翅对健康有好处。,Sharks are at the top of the food chain in the oceans ecosystem.,A lot of people believe that sharks fins are good for health.,需要更完整的资源请到 新世纪教育网-,3.鲨鱼处于海洋食物链的顶部。Sharks are at,7,Pay attention to the sentences.,1.We,re,trying,to save the earth.,2.The river,used to,be so clean.,3.The air,is,badly,polluted,.,4.No scientific studies,have shown,that shark fins are good for health.,5.We,should,help save the sharks.,Present progressive,used to,Passive voice,Present perfect,Grammar Focus,Modal verbs,需要更完整的资源请到 新世纪教育网-,Pay attention to the sentences,8,现在进行时:,Present progressive,结构:,be(am/is/are)+,v,.-ing,标志词：,Look,Listen,now,right now,e.g.,Look,!The boy,is crying,.,定义：,表示说话时(瞬间)正在进行的动作,也表示目前或现阶段正在进行的动作。,需要更完整的资源请到 新世纪教育网-,现在进行时:Present progressive结构:,9,What a fine day today!,Look!What are they doing?,Exercise,需要更完整的资源请到 新世纪教育网-,What a fine day today!Exercis,10,used to do sth.表示过去常常做某事,而现,在往往不做了,后接动词原,形。,be used to doing sth.表示习惯于做某事,e.g.I,used to,get up,at six oclock.,Joe,is used to drinking,a cup of coffee every morning.,used to do与be used to doing,需要更完整的资源请到 新世纪教育网-,used to do sth.表示过去常常做某事,而现,11,Translation.,1.她过去常常周末和朋友闲逛。,She used to hang out with friends on weekends.,2.他习惯晚睡。,He is used to staying up.,Exercise,需要更完整的资源请到 新世纪教育网-,Translation.Exercise需要更完整的资源请到,12,被动语态：Passive voice,定义：,表示主语是动作的承受者，即行,为动作的对象的一种语态。,结构：,be+过去分词,e.g.,A new school,was built,last year.,Our classroom,is cleaned,every day.,需要更完整的资源请到 新世纪教育网-,被动语态：Passive voice定义：表示主语是动作的承,13,Translate the sentences by using Passive voice.,1.刚才一些老年人参观了博物馆。,2.工人们使用不同种类的机器工作。,The museum was visited by some old people just now.,Different kinds of machines are used to work by the workers.,Exercise,需要更完整的资源请到 新世纪教育网-,Translate the sentences by usi,14,结构:,has/have+过去分词,标志词：,already,yet,ever,never,since,for,e.g.I,havent finished,my homework yet.,定义：,表示动作已经完成,但对现在造成影,响;或者表示从过去某一时间开始一,直延续到现在并还可能持续下去的,动作。,现在完成时:Present perfect,需要更完整的资源请到 新世纪教育网-,结构:has/have+过去分词定义：表示动作已经完,15,Complete the following sentences.,I _(be)in Beijing for two years.,2.I _ never _(hear)of that,man before.,3.Tom _(work)there since,two years ago.,have been,have,heard,has worked,Exercise,需要更完整的资源请到 新世纪教育网-,Complete the following sentenc,16,4.The twins _(wash)the clothes for an hour.,5.He _(play)basketball since three years ago.,6.How long _ Sally _(sing)yet?,have washed,has played,has,sung,需要更完整的资源请到 新世纪教育网-,4.The twins _(wash,17,1.情态动词本身有一定的词义,表示说话人的情绪、态度或语气,但不能单独作谓语,只能与其他动词构成谓语。,常见的有:,can(could),may(might),must,need,shall(should),will(would),等。,情态动词,需要更完整的资源请到 新世纪教育网-,1.情态动词本身有一定的词义,表示说话人的情绪、态度或语,18,2.情态动词无人称和数的变化,后接动词原形。否定式是在情态动词后面加not。个别情态动词有过去式形式,可用来表达更加客气、委婉的语气。,e.g.Ken,can,climb up the tress like a,koala.,Tracy,could,ride a bicycle when,she was five years old.,You,mustnt,play with fire.It is,dangerous.,需要更完整的资源请到 新世纪教育网-,2.情态动词无人称和数的变化,后接动词原形。否定式是在情,19,Translation.,1.我们不能在教室里吃东西。,2.首先你必须完成作业。,3.他现在不可能在家。,4.她一定知道这个问题的答案。,Exercise,We cant eat in the classroom.,You must finish your homework first.,He cant be at home now.,She must know the answer to this question.,需要更完整的资源请到 新世纪教育网-,Translation.ExerciseWe cant e,20,1.When Tim _ why he was late for,school,he just kept silent.(2014 河南),A.was asked B.asked,C.was asking D.is asked,2.Are you surprised at the ending of the,movie?,No,because I _ the story.,A.read B.will read,C.have read D.was reading,(2014 浙江宁波),中考链接,A,C,需要更完整的资源请到 新世纪教育网-,1.When Tim _ why he w,21,3.Someone _ at the door.Can you,open it?(2014 河北),A.knocks B.knocked,C.is knocking D.was knocking,4.Children _ sit in the front seat,of a car.Its too dangerous.(2014 重庆),A.need B.neednt,C.must D.mustnt,C,D,需要更完整的资源请到 新世纪教育网-,3.Someone _ at the do,22,5.Is that girl Susan？,It _ be her.She left for,Beijing yesterday.(2013 福建福州),A.neednt,B.cant,C.mustnt,B,需要更完整的资源请到 新世纪教育网-,5.Is that girl Susan？B需要更完整的,23,4a,Fill in the blanks with the correct forms of the verbs in brackets.,Joe:_ you ever _(take)part in,an environmental project?,Eric:Yes,I have.I _(help)with a,Clean-Up Day last year.It was,_(consider)the biggest,clean-up project this city _ ever,_(have).,Have,taken,helped,considered,had,had,参加,需要更完整的资源请到 新世纪教育网