九年级英语上册-Module-6-Unit-3-Language-in-usePPT-外研版.pptx

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,*,*,*,Unit 3 Language in use,1.while,使用方法,（,1,）,while,用作名词，意为“一段时间；一会儿”。如：,I stayed there for a short while.,我在那儿待了一小会儿。,第1页,（,2,）,while,用作连词，有以下几个含义：,1,）意为“当,时；和,同时”，引导时间状语从句。如：,While I was watching TV,the bell rang.,当我看电视时，铃响了。,2,）连接两个并列句子，表示对比关系。如：,He went out for a walk,while I stayed at home.,他出去散步了，而我却待在家里。,第2页,3,）,while,和,when,都能够引导时间状语从句，但应注意：,while,引导从句中谓语动词必须是延续性动词或表示状态词；而,when,引导从句中谓语动词既能够是延续性动词，也能够是短暂性动词。当初间状语从句中谓语动词是延续性动词时，,while,和,when,能够相互替换。如：,When/While we were talking,the teacher came in.,我们正在谈话时，老师进来了。（,talk,是延续性动词，,when,和,while,可交换）,第3页,The bus had left when we arrived at the bus stop.,当我们抵达车站时，公共汽车已经开走了。（,arrive,是短暂性动词，,when,和,while,不可交换）,When/While we were having a meeting,our teacher came in.,我们正在开会时，老师走了进来。（,have,是延续性动词，,when,和,while,可交换）,第4页,4,）,while,引导时间状语从句还能够表示某个动作正在进行同时，另一个动作也在进行之中。如：,While the teacher was speaking,the students were listening.,老师讲课时，学生们在听。,第5页,2.if,引导条件状语从句（二）,（,1,）含义：从句表示某种假设情况，主句表示此种情况所造成结果。,（,2,）时态：从句假如用普通现在时，主句谓语动词多用普通未来时或“情态动词,+,动词原形”。如：,If you start now,youll finish it before dinner.,假如你现在开始（做家庭作业），晚饭前就能够做完了。,第6页,She may come with us if she arrives in time.,假如她来得及时，就能够和我们一道去。,第7页,结构,用途,含义,例句,if,从句,+,祈使句,表示提议,假如就,If you dont feel well,please go to see the doctor.,假如你以为不舒适，请去看医生吧。,if,从句,+,主句,表示某种假设,假如就,If he doesnt work hard,hell fail his exams.,假如他不努力学习，考试就会不及格。,第8页,（,4,）若,if,引导条件状语从句主语为,you,，则可转换为“祈使句,+and+,简单句”或“祈使句,+or+,简单句”结构。如：,You can pass the exam if you work hard.,=Work hard and youll pass the exam.,If you dont put the meat in the fridge,it will go bad.,=Put the meat in the fridge,or it will go bad.,第9页,（,5,）有时，,if,引导条件状语从句能够与,with,或,without,引发介词短语交换使用。如：,If Linda helps me,I can finish the report soon.,=With Lindas help,I can finish the report soon.,If theres no water,fish may die.,=Fish may die without water.,第10页,【,话题展现,】,本模块围绕“,Problems”,展开话题，讲述了青少年在成长过程中碰到一些问题，并提出了处理问题方法，要求学生能够向他人描述自己生活中碰到问题，获取处理问题提议，树立正确人生观和价值观，并能学会利用,if,条件句描写某种假设情况。,第11页,【,佳句荟萃,】,I want you to,get into the habit of,doing your homework,as soon as,you come home from school.,我想让你养成一放学回家就做家庭作业习惯。,If you do,all these other things instead of your homework,you wont,have time to study.,假如你净做这些其它事，而不是做作业，你就没有时间学习了。,You should consider,what the most important thing is.,你应该考虑什么事情是最主要。,第12页,Thats a,shame,!,真遗憾！,If you,tell the truth,he wont be angry with you.,假如你说实话，他不会生你气。,You,spent,so much time,playing,computer games.,你花太多时间玩电脑游戏了。,My father,isnt angry with,Lucy any more.,我父亲不再生露西气了。,第13页,In my opinion,the Internet is helpful,rather than,harmful.,在我看来，互联网有用而非有害。,Smoking,is bad for,our health.,吸烟有害健康。,第14页,【,写作任务,】,下面是大明写给他朋友,Tom,一封信，信中描述了他烦恼。请你以,Tom,身份给他写一封,80,词左右回信，在信中提出他问题并给出提议。信开始和结尾已给出，不计入总词数。,第15页,Dear Tom,My classmate,Lucy,bought a new pen.I like it very much.So I used it without her permission,（允许）,.Unluckily,I broke it.Then I put it back secretly,（悄悄地）,.Now she finds out the truth and is very angry with me.I dont know what to do.Can you help me?,Yours,Daming,第16页,Beginning,开篇点题，提出问题,I have known your 1,.,problem,【,写作指导,】,这是应用文写作，主要内容是讨论问题及提出提议。讨论问题用普通过去时，提提议用现在时。,第17页,two,Body,分析问题,You have made 2,mistakes.First,you used your 3,.Second,when you broke the pen,you 4,.,Ending,提出提议,I think you should 5 .You can 6,for her.She will realise youre truly 7 .,classmates pen,didnt tell her the truth,buy a new pen,offer to pay,sorry,第18页,【,自主创作,】,Dear Daming,I have known your problem.,Yours,Tom,第19页,【,范文展示,】,Dear Daming,I have known your problem.You have made two mistakes.First,you used your classmates pen without her permission.Second,when you broke the pen,you didnt tell her the truth.Yes,you must tell her immediately.If you tell her the truth,perhaps shell be angry with you,but at least youll prove you are honest.,第20页,Then I think you should offer to pay.You can use your pocket money to buy a new pen for her.She will realise that youre truly sorry.,I hope the advice can help you.Im sure you will make up with her soon.,Yours,Tom,第21页,【,升格点拨,】,1.,在给出提议时，使用了,First,Second,Then,等词使文章条理清楚，有层次感。,2.,短语地道，如,make mistakes,without ones per-mission,tell the truth,at least,make up,等。,3.,高级句型“,be sure.”,和“,if,条件句”使用，为文章增添色彩。,第22页,