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2018--2019学年北师大版必修一Unit 1 Lifestyles grammar课件(37张).ppt

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1、Unit 1 lifestyles,Grammar,观察下列句子,写出黑体动词部分使用的时态 1For lunch,I have biscuits and a glass of milk,and I watch the news._ 2I am always the first person to get to the office. _ 3Every day,he goes to work early in the morning and comes home at late night. _ 4In the afternoon,I often watch another old filmt

2、heyre showing some good ones at the moment. _ 5When are you leaving for Beijing?_,.一般现在时和现在进行时,一般现在时,一般现在时,一般现在时,现在进行时,现在进行时,点津一般现在时用法口诀 一般现在时态中,动词一般用原形。 表述事实讲真理,习惯动作常发生。 动词词尾加s(es),只表单数三人称。 若变一般疑问句,得看句型是哪种。 系表结构和there be,be放句首可完成; 若遇实义动词句,do或does莫忘用!,1表示经常或习惯性的动作或是经常存在的状态,句中常有often,always,from time

3、 to time等时间状语。 He usually goes for a walk at 7 oclock every morning. Ellen is such a nice teacher that everyone respects her. 2表示客观事实或普遍真理。 Action speaks louder than words. 行胜于言。 The teacher told us that light travels faster than sound. 老师告诉我们光的传播速度比声音快。,3在时间、条件和让步状语从句中,一般现在时可以代替一般将来时。 If he accepts

4、 the job,he will get more money soon. When he comes tomorrow,please tell me immediately. I wont give up even if I fail one hundred times. 4常用于一些趋向动词,表示按照时刻表进行的将来动作。 The train leaves at 12. 火车12点出发。 School begins in September. 学校9月份开学。,三、现在进行时 1现在进行时的构成:am/is/are doing 2现在进行时的用法,点津 现在进行时用法口诀Look,List

5、en是标志,现在进行正发生;有时now在句中现,“bev.-ing”时态成。若问be用何形式,须看主语数、人称。He/She is,I am,We,you,they后are紧跟。v-ing形式更好记,三种构成要分清。一般问句be提前,be后加not否定成! (1)表示现在(指说话人说话时)正在发生的事情,常见的时间状语有now,at present,at this moment等。 We are discussing the matter now. I am feeling the material to see whether it is pure silk or not.,(2)表示现阶段

6、正在进行而说话时不一定正在进行的动作,常见的时间状语有this term,these days,this month等。 He is writing a new novel this year. 今年他正在写一本新小说。 How are you getting along with your English this term? 这个学期,你的英语进展如何? (3)表示按计划和安排将要发生的事情,常用于趋向动词go,come,leave,arrive,begin,return,stay,move等。 Were moving to the new house next week. 我们下周将迁入

7、新居。 Where are you traveling next summer vacation?,(4)与always,often,continually,constantly等频度副词连用,表示反复出现或习惯性的动作,往往带有赞赏、厌恶、不满、遗憾等感情色彩。 Why are you constantly interrupting others? 你为什么总是打断别人的话? He is always thinking about others. 他总是为别人着想。,(5)表示发展中或正在改变的情况,常用于一些表示渐变的动词:get,grow,become,turn,run,go,begin

8、等。 The weather is getting colder and colder. 天气变得越来越冷。 The leaves are turning red. 叶子正逐渐变红。,点津 下面四类动词不宜用现在进行时: (a)表示心理状态、情感的动词:like,love,hate,care,remember,believe,want,mind,wish,agree,mean,need等。 (b)表示存在状态的动词或短语:appear,exist,lie,remain,belong to,depend on等。 (c)非延续性动词:allow,accept,permit,promise,adm

9、it,complete等。 (d)表示感官的动词:see,hear,notice,feel,smell,sound,taste,look等。,四、一般现在时与现在进行时的比较 1My sister does her homework in the room. 2My sister is doing her homework in the room. 3She always worries about her sons health. 4She is always worrying about her sons health.,规律精点 1第1、2两个句子所表示的是同样的动作“do her ho

10、mework”。句1含义为“我的妹妹在房间里做作业。”表示的是一般现在时动作的长久性;句2含义为“我的妹妹正在房间里做作业。”表示的是动作的暂时性。此为一般现在时与现在进行时的最根本区别。 2第3、4两个句子表示同样的动作“worry about”。句3含义为“她总是担心儿子的健康。”只是简单表述一个事实;句4含义为“她不停地为儿子的健康担心着。”带有埋怨的意味。一般现在时描述一般事实不带有感情色彩,而现在进行时则带有一定的感情色彩,根据动词的不同可表示赞扬或厌恶等,尤其是与always等连用时。,观察下列句子,写出黑体部分一般将来时的体现形式 1I shall not come if it

11、rains tomorrow. _表示将来 2My brother will leave for the United States next week. _表示将来 3It is going to rain.Take an umbrella with you. _表示将来,.一般将来时,shall动词原形,will动词原形,be going to动词原形,4Lets wait a minute.He is about to arrive. _表示将来 5She is to be here at 9:00 am.tomorrow. _表示将来 6The train leaves at half

12、 past eleven. _ 表示将来 7When she comes,Ill tell her about it. _ 表示将来 8They are leaving for Japan the day after tomorrow. _ 表示将来,be about to动词原形,be to动词原形,一般现在时,一般现在时,be doing现在进行时,一、基本用法 一般将来时表示将来某一时刻的动作或状态,或将来某一段时间内经常的动作或状态。一般将来时由助动词shall,will加动词原形构成。常常和表示将来的时间状语连用。例如:tomorrow(明天);next week(下周);from

13、now on(从现在开始);in the future(将来)。 二、常见结构 1will/shall动词原形 这种方法一般单纯地表示将来某个时间将要发生的动作或存在的状态。will用于各种人称;shall只用于第一人称。 I shall/will be 16 years old next month. He will graduate from the college next year.,2be going to动词原形 (1)表示“意图”,即打算在将来做某事。 (2)表示“预见”,即现在已有迹象表明要发生某种情况。 The Browns are going to move to Aust

14、ralia. (be going to在此句中表示将来的打算、计划) Look!Dark clouds are gathering.It is going to rain. ( be going to在此句中表示有迹象表明将要发生某事),3be doing现在进行时 这种结构表示按计划即将发生的动作,用进行时形式表示将来,但只适用于表示位置移动的动词,如go,come,leave,start,arrive,move,return,fly(乘飞机)等,并常伴有表示将来时间的状语以区别于进行时的动作。 He is leaving for Hong Kong tomorrow morning. 他定

15、于明天早晨到香港去。 Ive won a holiday to Florida for two weeks.I am taking my mum. 我已经赢取了一个去佛罗里达的为期两周的假期。我要带我妈妈一起去。,4一般现在时表示将来 (1)表示按时刻表安排或计划好的将要发生的动作,如come,go,leave等。 (2)在时间或条件状语从句中表示将来的动作。 Ill discuss this with you when we meet. The plane takes off at 9:20 am.,5be to动词原形 (1)表示按“职责、命令约定、计划或安排等”将要发生的动作。 (2)在

16、条件句中表示“意欲,想要做某事”。 He is to get married next week. 他下个星期将要结婚了。 You should work hard if you are to succeed. 如果你想要成功的话,你应该努力工作。,6be about to动词原形 表示“即将”,指紧接着要发生的动作,不与具体的时间状语连用。 He is about to come out now.Please wait a moment. Walk up!Walk up!The performance is about to begin. 快来看!快来看!马上开演了。,点津 一般将来时时间标

17、志口诀 正好和一般过去时对应:“明天下个XX后” 明天:tomorrow,后面可以加morning,afternoon,evening; 下个:next,后面可以加week,month,year等; XX后:after和in,后面可以加2 oclock,three weeks/months/years。 注意 after后加时间点才表示将来,如after 3 oclock。加时间段表示过去,如after 2 hours表示过去。in后加时间段表将来,如in two years。,Ill try,travels around,travels around,is coming.Its gettin

18、g,enter,rang,Will you please,I was about to leave,give,looks,are cooking,doesnt like,is taking off,lead to,travels,is always finding,will call,will go,will never reach,will see,rains,will check,am filling,.单句改错 1But it is spring now,it was warm in spring. 答案:wasis 2Tom,what are you do now? 答案:dodoin

19、g 3The weather get colder and colder. 答案:getis getting 4How do you going to spend your weekend? 答案:doare 5The door is about to close when I got there. 答案:iswas,建议信的正文一般包括三部分:1.首先表明写作意图;2.写出具体建议及其原因,并说明采纳建议的益处;3.最后表达希望建议被采纳的愿望。 注意:语气要委婉礼貌,顾及对方感受。 常用句式 1开头: I am writing to make some suggestions for yo

20、u. I am writing to put forward some suggestions. I feel that it is my duty to make some suggestions. Concerning the situation you are facing,I would like to offer some suggestions.,如何写建议信,2正文: I think it would be beneficial you devote yourself to it. It would help to read as much as you can. It woul

21、d be of great help if you can have a talk with them about it. 3结尾: I hope that you can take my suggestions into consideration. I do hope you will consider my suggestions. I would be more than happy if my suggestions could be considered. I hope you will make great progress. I hope my suggestions will

22、 meet with your approval.,词句推敲 1词汇 认真学习 _ 优异的成绩 _ 尊敬老师 _ 团结同学 _ 良好的人际关系 _ 学会做人 _ 学会读书 _,learn how to study,work hard,good grades/results,respect your teachers,get on/along well with your classmates,good interpersonal relationships,learn how to live,how to live as well as how to study,to get good grades,respect,get on well with,

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