时间状语从句20674市公开课一等奖省赛课微课金奖课件.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,I study,I strive,I succeed!,1,第1页,时间状语从句,2,第2页,时间状语从句,P286,一、,什么是时间状语从句,二、,时间状语从句位置,三、,时间状语从句连接词,3,第3页,找出以下句中时间状语,1.She was born in 1989.,2.I was watching TV at 8:00 last night.,3.I went out the classroom at once.,4.He has been a soldier since 1941.,_,_,_4,第4页,找出以下句中时间状语,1.She was born when her brother was 2 years old.,2.I was watching TV while my mother was chatting on the phone at 8:00 last night.,3.I went out the classroom as soon as I saw her.,4.He has been a soldier since the Anti-Japanese War broke out.,_,_,_,_,_,_,_,5,第5页,什么是时间状语从句？,在句子中充当时间状语,句子,。,6,第6页,时间状语从句位置,她六岁会说英语。,She could speak English,when she was 6,.,When she was 6,she could speak English.,句首，句尾均可,句尾,，,不用逗号,句首，加逗号与主句隔开,7,第7页,时间状语从句连接词(1),when,while,as,8,第8页,时间状语从句连接词(2),before&after,since,until/till,notuntil,as soon as/the moment,9,第9页,时间状语从句连接词(3),hardlywhen,no soonerthan,once,each time;every time,10,第10页,(1.1)when,当时候,When,I was young,I went to town myself.,当我年轻时，我独自进过城。,The days get longer,when,spring comes.,春天到来时，白天变得更长了。,When,I was 6 yeas old,I started to learn English.,当我6岁时，我开始学英语。,When,he receives the letter,hell tell us.,他收到信后，会告诉我们。,11,第11页,when,突然,We were watching TV,when suddenly,the light went out.,我们正在看电视，突然灯灭了。,He was leaving home,when suddenly,the telephone rang.,他正要出门，突然电话响了。,when=and then;at that moment,正在那个时候,常与suddenly连用，表示“正在，即将”之意,12,第12页,(1.2)while,当时候,He visited a lot of places,while,he,was traveling,.,他在旅行途中参观了许多地方。,while 相当于 during(介词),主句，从句动作同时发生,while表示较长时间，引导从句应用,延续动词。,13,第13页,while,然而,我在做功课，弟弟却在玩游戏。,I was doing my homework,while,my brother was playing games.,我已经工作五年了，而你还在读书。,I have worked for five years,while,you are still at school.,14,第14页,True or false?,It was raining hard,while,I got there.,False,while表示较长时间，引导从句应用延续性动词get 是点动词，不能用while引导。,It was raining hard,when,I got there.,15,第15页,(1.3)as,伴随/在同时,Asthesunrose,thefogdisappeared.,太阳一出来雾就消散。,Theycameintothegardenasthemusicstopped.,音乐声一停，他们就走进花园。,16,第16页,as,一边一边,He,smiled,ashe,passed,.,他途经时候笑了一下。,Hesawthatshewassmilingasshewas reading,.,他看到她一边看着书一边笑。,Helenwas listening to thestoryasshewas washing the clothes.,海伦一边洗衣服一边听故事。,17,第17页,when/while/as,在某事发生过程中另一事发生,Justwhen/while/ashe,wasspeaking,therewasaloudexplosion.,正当他在说话时候，一声巨响。,When/while/as I,was cooking,the telephone rang.,我正在做饭时候，电话响了。,I was bathing when/as he,came,.,他来时候我正在洗澡。,18,第18页,Sum up,:,when,while,or,as?,when，while，as,显然都能够引导时间状语从句，但使用方法区分非常大。,一、,when,+延续动词或瞬间动词；,while,只能和延续性动词连用；表一段时间,（长情景）,as,+延续动词或瞬间动词（伴随,边边),（短情景）,19,第19页,when,while,or,as?,Why do you want a new job when youve got such a good one already？,（get为短暂性动词）,你已经找到如此好工作，为何还想再找新？,Sorry，I was out when you called me,（call为短暂性动词）,对不起你打电话时我刚好外出了。,Strike while the iron is hot,趁热打铁。,（is为延续性动词，表示一个连续状态）,The students took notes as they listened,（listen为延续性动词）,学生们边听课边做笔记。,20,第20页,when,while,or,as？,二、,when,从句谓语动词能够在主句谓语动作,之前,、,之后,或,同时,发生；,while,和,as,从句谓语动作必须是和主句谓语动作,同时发生,。,1.动作一先一后发生，用,when,When,he,had finished,his homework，he,took,a short rest,当他完成作业后，他休息了一会儿。,When,I,got to,the airport，the guests,had left,当我赶到飞机场时，客人们已经离开了。,after,before,21,第21页,when,while,or,as？,2,从句动作和主句动作同时发生，且从句动作为延续动词时，,when，while，as,都可使用。,When While As,we were dancing，a stranger came in,当我们跳舞时，一位陌生人走了进来。,When While As,she was making a phone call，I was writing a letter,当她在打电话时，我正在写信。,22,第22页,when,while,or,as?,3当主句、从句动作同时进行，表示“伴随”；“一边，一边”之意时，只能用,as,。,As the time went on,，the weather got worse.,伴随时间推移，天气变得越来越糟糕。,The little girls sang,as they went,小姑娘们一边走，一边唱。,The sad mother sat on the roadside，shouting,as she was crying,难过妈妈坐在路边，边哭边叫。,23,第23页,when,while,or,as?,4在未来时从句中，惯用,when,，且从句须用普通时代替未来时。,I,will lend,you the book when he,returns,it,他把书还我，我就借给你。,When the manager,comes,here for a visit next week，,Ill talk with,him about this,下周，经理来这参观时，我会和他谈谈此事。,24,第24页,Practice,用 when,while 或 as 填空。,1.She came up _ I was cooking.,2.The runners started _the gun went off.,3.It was raining _ I arrived.,4._we were at school,we went to the library every day.,5.please dont talk so loud _others are working.,6.He fell asleep _ he was reading.,7.Strike _ the iron is hot.,when/while/as,when/as,when,When/While/As,when/while/as,when/while/as,while,25,第25页,(2.1)before;after,Do it now before you forget it.,趁你还没忘，现在就去做。,After he had left school,he joined the army.,离开学校之后，他参了军。,I must get to the shop before its closed.,我必须在商店关门之前赶到那里。,What are you going to do after you finish college?,学院毕业之后你打算干什么？,26,第26页,(2.2)since,I have worked here since I graduated from the university thirty years ago.,自从三十年前大学毕业以来，我就在这儿工作。,He has been ill since he went to England last month.,自从上个月到英格兰后，他就病了。,since表示自过去到当前为止一段时间。,主句普通用现在完成时，从句用普通过去时。,27,第27页,True or false?,How long have you become a PLA man?,How long have you been a PLA man?,I have come here since last July.,I have been here since last July.,It has been over one year since I came here last July.,since,从句或名词，表示一段时间，所以主句中现在完成时动词要从延续动词。,_,_,28,第28页,It is since,Its many years since World War was over.,自从二次大战（结束）以来，已经很多年了。,How long is it since you were a PLA man?,=How long have you been a PLA man?,你参加人民解放军多久了？,It is+一段时间+since+句子,自从以来，有多长时间了,。,29,第29页,(2.3)until/till;notuntil,We,walked and walked,until/till,it was dark.,我们一直走到天黑。,We,didnt begin,to walk,until,it was dark.,直到天黑了，我们才开始走。,walk,延续动词 用,until/till,表示直到。,begin,瞬间动词 用,notuntil,表示直到。,30,第30页,until/till;notuntil,Li Ming,will wait,until/till,his father comes back.,李明要一直等到他父亲回来。,Li Ming,wont leave,here,until,his father comes back.,李明要等到他父亲回来时才离开这儿,wait延续动词 用,until/till,leave瞬间动词 用,notuntil,31,第31页,Sum up,Ill wait here until/till he comes back.,我将在这里等着，直到他回来。,You cant go home until you finish your work.,直到你完成你工作，你才能回家。,He didnt get married until he found his true love.,他直到找到真爱才结婚,。,He didnt leave his office until midnight.,他直到午夜才离创办公室。,32,第32页,(2.4)as soon as;the moment,一就,As soon as I have finished it,Ill give you a call.,Ill give you a call as soon as I have finished it。,Ill give you a call the moment Ive finished it.,The moment Ive finished it,Ill give you a call.,我一完成就给你电话。,33,第33页,(3.1)hardlywhen,一就,We,had,hardly,got,into the country,when,it,began,to rain.,Hardly,had,we got into the country,when,it,began,to rain.,我们一进村就开始下雨了.,34,第34页,(3.2)no soonerthan,一就,He,had,no sooner,arrived,than,she,started,complaining.,No sooner,had,he,arrived,than,she,started,complaining.,他一到，她就开始埋怨,。,35,第35页,(3.3)once,一旦,Once you showed any fear,it will attack you.,你一旦露出害怕之色，它就会攻击你。,Once you have made up your mind,you should strive(work hard)for success.,一旦下定决心（make up ones mind)，就要努力成功。,Once I have decided,I will never change it.,我一旦决定了，就不会再改了。,36,第36页,(3.4)each time;every time,每次,Each time,he comes to my country,he will call me.,每次到我国家，他都会给我打电话。,Every time she goes to that shop,she will buy something.,每次她去那家店，都会买点什么。,37,第37页,