高中英语-Unit-1-Tales-of-the-unexplained-Section-Ⅱ.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,*,*,*,Section,Word,power,&,Grammar,and,usage,第1页,一,二,三,一、词汇复习,依据Reading部分文章将短文补充完整,Police who took 1.,of the 2.,in which a boy named Justin went missing have 3.,up their search for him.People have shown great interest in his disappearance 4.,reports of strange lights in the sky and of alien visits around the time of his 5.,.,charge,case,stepped,due to,disappearance,第2页,一,二,三,Justin left home to play baseball with two friends at 8 p.m.and after the game he returned home at about 11 p.m.Justin,s sister says she saw some white-skinned strange 6.,standing inside a large spaceship.She believed that the aliens took him.Some people in Dover also say that they saw aliens that night.,Police have not 7.,the possibility that Justin was taken by aliens,but they are 8.,other 9.,as well.They will not give up until they find hard 10.,.,creatures,dismissed,looking into,possibilities,evidence,第3页,一,二,三,二、词汇预习,预习本部分词汇,写出画线单词含义或者依据提醒写出单词,1,.Why did you,(,不予考虑)his opinion?,Because it was not,(,以为基础)on facts.,2,.The school boy is,enthusiastic,about,aliens,.He dreams of,witnessing,a UFO one day.He has made a,questionnaire,among,astronomers,recently,which shows that most of them believe aliens,exist,.,dismiss,based,热情,外星人,目击,调查问卷,天文学家,存在,第4页,一,二,三,三、语法预习,依据情境与汉语意思完成句子,Mum:Hi,I,m home.It 1.,a long and tiring day today.,嗨,我回来了。今天真是够累。,Tom:Where 2.,mum?,你去哪里了,妈妈?,Mum:I 3.,to a supermarket,and bought a little salt.Tell me what you have done today.,我去了趟超市,买了一点盐。告诉我今天你都做了些什么。,has been,have you been,have been,第5页,一,二,三,Tom:I 4.,all my homework.,我把全部功课都做完了。,Mum:Oh,good boy.And?,噢,好孩子,然后呢?,Tom:I 5.,all the rooms.,我清扫了全部房间。,Mum:You 6.,very tired now.,你现在一定很累了。,have finished,have cleaned,must be,第6页,1,2,3,语法指南,I,did,research,in,a,base,in,outer,space,called,space,station.,(,Page,7,),我在一个被称为太空站外太空基地做研究。,He,has,just,been,to,Qomolangma,Base,Camp.,(,Page,8,),他刚才去过珠峰大本营,第7页,1,2,3,语法指南,考点,:,base,n.,基地,大本营,;,底部,;,基础,vt.,以为基础,The,base,of the company is in Shanghai,but there are branches all over the country.,企业总部在上海,但在全国都有分企业。,This university has a good,base,of scientific research.,这所大学有很好科研基础。,The lamp has a heavy,base,.,这个台灯底座很沉。,You should,base,your theory on practice.=Your theory should be,based,on practice.,你应该把理论建立在实践基础之上。,第8页,1,2,3,语法指南,base.on.,把建立在基础之上,be,based,on,以为基础,第9页,1,2,3,语法指南,第10页,1,2,3,语法指南,第11页,1,2,3,语法指南,My,friend,Jack,is,enthusiastic,about,travelling.,(,Page,8,),我朋友杰克热衷于旅游。,考点,:,enthusiastic,adj.,热情,;,热烈,;,满腔热忱,All the members are,enthusiastic,about the project.,全体组员对这个项目都充满热情。,The football star received an,enthusiastic,welcome.,那位足球明星受到了热烈欢迎。,考点延伸,enthusiasm,n.,热情,We set about the task at once with great enthusiasm.,我们马上满腔热情地开始了这项任务。,第12页,1,2,3,语法指南,be,enthusiastic,about,对热心,充满热情,enthusiasm,n.,热情,第13页,1,2,3,语法指南,完成句子,2),他热心助人。,He,others.,3),他对这个新计划不怎么有热情。,He showed little,for the new plan.,答案,1)is enthusiastic about,2)is enthusiastic about helping3)enthusiasm,第14页,1,2,3,语法指南,Though,he,has,never,met,any,aliens,he,believes,they,do,exist.,(,Page,8,),即使他从未见过外星人,但他相信他们确实存在。,考点一,:,句中,do,意为,“,确实,确实,”,起强调谓语作用。,He,did,come after all!,他毕竟还是来了!,She,does,like listening to pop songs.,她真喜欢听流行歌曲。,Do,come this evening.,今天晚上一定要来。,He,did,write to you last week.,上周他确实给你写信了。,第15页,1,2,3,语法指南,考点二,:,exist,vi.,存在,;,生存,Do you think life,exists,on Mars?,你认为火星上存在生命吗?,They,exist,on very little money.,他们靠极少钱来过活。,考点延伸,existence,n.,存在,生存,come into existence,出现;产生,No one knows when such a custom first came into existence.,没有些人知道这种风俗是何时开始形成。,No strong evidence for its existence has ever been found.,还没有找到它存在有力证据。,第16页,1,2,3,语法指南,exist,on=live,on,靠生存,existence,n.,存在,生存,come,into,existence,出现,;,产生,第17页,1,2,3,语法指南,变式训练,3)Do you believe God exists?,Do you believe,God?,答案,1)existence,2)did3)the existence of,第18页,1,2,3,语法指南,现在完成时,1.,组成,主语+have/has+过去分词,2.,现在完成时,“,完成使用方法,”,现在完成时“完成使用方法”指是动作发生在过去某个时刻并已结束,但该动作对现在有影响,与现在情况含有因果关系,在这种使用方法中,动作是非延续性,所以只能与表示不确定过去时间状语(already,yet,before,recently等)、表示频度时间状语(never,ever,once等),及包含现在时刻在内时间状语(this morning,today等)连用。,第19页,1,2,3,语法指南,He has already seen the film.,他已看过这部电影。(动作结束于过去,但说明是现在情况,他了解该电影情节),She has opened the windows.,她已把窗子打开。(动作发生在过去,但说明是现在情况,现在窗子开着),My father has repaired two bicycles this morning.,今天早晨父亲修了两辆自行车。(动作已结束,但说明是现在情况,自行车已经能够用了),第20页,1,2,3,语法指南,3.,现在完成时,“,未完成使用方法,”,现在完成时“未完成使用方法”指是动作开始于过去某一时刻,一直延续到现在,而且可能还会继续下去。现在完成时未完成使用方法只适合用于延续性动词,不可用于终止性动词(瞬间完成或延续时间很短动词)。该使用方法在句子中常出现表示一段时间状语(由since或for引出),或表示与现在时刻相连时间状语(up to now,so far等)。,He has worked here since.,自从年以来,他一直在这儿工作。(动作起始于年,一直延续到现在,可能还要继续下去),第21页,1,2,3,语法指南,4.,使用现在完成时几点注意事项,(1),当so far,up till now,up to now,up to the present,until now等表示“迄今为止”短语做时间状语时,惯用现在完成时。,So far I have finished one third of the work.,到当前为止我已完成了工作三分之一。,(2)“for+,一段时间”不一定全部用现在完成(进行)时态,有时可用普通过去时,需要依据语境仔细斟酌。,The Roman Empire existed for several hundred years.,罗马帝国存在了好几百年。,He learned the piano for three years when he was young.,他小时候学了三年钢琴。,第22页,1,2,3,语法指南,(3),在以下句型中,从句中要用现在完成时。,It(This/That)is the first time(that).,It is the first time(that)I,ve been here.,这是我第一次来这儿。,It(This/That)is the only/the first/the best.(that).,This is the best film that I have ever seen.,这是我所看过最好电影。,(4),在条件、时间、让步状语从句中,现在完成时态表示未来某时间以前已完成动作。,I will not believe you unless I have seen it with my own eyes.,除非我亲眼看到,不然我不会相信你。,I will go with you as soon as I have finished my work.,我做完了工作就和你一起去。,第23页,1,2,3,语法指南,现在完成进行时,1.,组成,主语+have/has been+现在分词,2.,需要注意使用方法,(1),在强调动作还未结束,还要进行下去时,多用现在完成进行时,强调动作延续性和连续性。,I,ve been writing the composition for two hours,but I haven,t finished it yet.,这篇作文我已写了两个小时,但还没有写完。(强调动作没有结束,还要继续下去),I have been wanting to meet you for a long time.,和你见面是我期望已久事。,第24页,1,2,3,语法指南,(2),有些动词如live,play,rain,teach,study,wait等用于现在完成时并不表示动作已经完成,所以它们既可用于现在完成时,也可用于现在完成进行时,但假如强调动作延续时间长久或带有感情色彩时,用现在完成进行时更加好一些。,We have been playing football for nearly 3 hours.,我们已经踢了近三个小时足球了。,Lisa has always been studying hard.,丽莎学习总是非常努力。(赞许感情色彩),(3),现在完成进行时有时也用来表示一个现在这个阶段重复发生事。,I have always been thinking of her but I can,t see her.,即使我一直在想着她,不过我不能见她。,第25页,1,2,3,语法指南,现在完成进行时与现在完成时比较,1.,两种时态偶然可交换使用,含义基本相同,I have been working here for five years.=I have worked here for five years.,我在这里已经工作五年了。,He has worked hard all his life.=He has been working hard all his life.,他一生努力工作。,第26页,1,2,3,语法指南,2.,多数情况下两种时态不可换用,在表示“从过去开始一直连续到现在”这个概念时,现在完成时多用于口语。假如侧重动作结果,多用现在完成时;假如侧重动作延续性或者动作依然继续下去时,宜采取现在完成进行时,而且不能与现在完成时交换。,I have read this book.,我读过这本书。(动作已经完成),I,ve been reading this book.,我一直在读这本书。(动作还将继续下去),3.,表示状态动词不能用于现在完成进行时,I have known him for years.,我认识他已经好几年了。,不可说成:I have been knowing him for years.,第27页,1,2,3,语法指南,答案,1)has been writing,2)has been working,第28页,1,2,3,语法指南,答案,3)has made,4)have been trying,第29页,1,2,3,语法指南,答案,5)have been cutting,6)have been made,7)has seen,第30页,1,2,3,语法指南,答案,8)has been made,9)has left,第31页,1,2,3,语法指南,答案,10)has increased,11)has been taking,第32页,1,2,3,语法指南,答案,12)has been,13)have changed,第33页,