2020版八年级英语下册Module3JourneytospaceUnit3Languageinuse课件新版外研版

1、module 3journey to spaceunit 3 现在完成时现在完成时(二二)【新知导引新知导引悟悟】用所给动词的适当形式填空用所给动词的适当形式填空, 并体会现在完成时的用并体会现在完成时的用法。法。1. i _ just _ (make)a model spaceship for our school project. havemade2. we _(find)life on any other planets yet. 3. _ it _ (arrive) yet? 4. astronauts _ already _ (be) to the moon. 5. i havent

2、 _ (start) yet because im not sure how to make it. havent foundhasarrivedhavebeenstarted【知识详解知识详解记记】(一一)用法用法: 现在完成时可以表示动作已经完成或刚现在完成时可以表示动作已经完成或刚刚完成刚完成, 经常用经常用just, already, yet等加以强调说明。等加以强调说明。just刚刚刚刚; 刚才刚才用于肯用于肯定句中定句中助动词助动词have/has之后之后, 过去分词之前过去分词之前, already也可位于句末也可位于句末already已经已经yet还还; 尚尚; 已经已经用于否

3、定用于否定句句或疑问句或疑问句中中句末句末(二二)一般过去时与现在完成时的区别一般过去时与现在完成时的区别(1)一般过去时表示过去某时发生的动作或单纯叙述过一般过去时表示过去某时发生的动作或单纯叙述过去的事情去的事情, 强调的是动作。强调的是动作。*daming returned the bike to tony last friday. 上星期五大明归还了托尼的自行车。上星期五大明归还了托尼的自行车。(2)现在完成时态的动作发生在过去现在完成时态的动作发生在过去, 强调过去发生的强调过去发生的动作对现在造成的影响和结果动作对现在造成的影响和结果, 而且造成的影响和结而且造成的影响和结果还存在

4、着。例如果还存在着。例如: i am very proud because china has sent eleven spaceships into space successfully. 我很自豪我很自豪, 因为中国因为中国已经成功发送了十一艘宇宙飞船进入太空。已经成功发送了十一艘宇宙飞船进入太空。【语法强化语法强化练练】. 用所给词的适当形式填空用所给词的适当形式填空1. where _ you _ (buy)it? i _ (buy)it in a supermarket. 2. we _ already _ (return) the book. 3. _ they _ (build)

5、 a new school in the village? didbuyboughthavereturnedhavebuilt4. he _(not finish) his work yet. 5. mr white _ just _ (arrive) home. hasnt finishedhasarrived. 用用already, yet, ever或或never填空填空1. the boy is free now. he has finished the work _. 2. have you visited the space museum _? 3. my sister has _

6、 made a cake before, so its her first time. alreadyyetnever4. have you cleaned your room? not _. 5. have you _ read the book about the bridge? yes, its fantastic. i have _ read it twice. 6. we have eaten up all the fruit _ , so wed better go to the supermarket to buy some. 7. mr smith hasnt accepted

7、 the invitation _ (还还, 仍仍然然). yeteveralreadyalreadyyet. 单项选择单项选择( )1. (2018白银中考白银中考) is dinner ready? not _. a. alreadyb. justc. yetd. everc( )2. wow! you _dinner! lets eat now. a. cookb. are cookingc. will cookd. have cookedd( )3. the town of huarong _a lot in the past five years. 世纪金榜导学号世纪金榜导学号 th

8、ats true. its becoming more and more beautiful. a. changedb. has changedc. had changedd. is changingb( )4. _ you _where to spend your holiday? not yet. we may go to beijing. a. do; decideb. did; decidec. will; decided. have; decidedd( )5. peggy, would you like to see the flower show with me tomorrow

9、? sorry. i _it already. a. will seeb. sawc. have seend. seec【理理模块话题模块话题】【记记写作佳句写作佳句】【教材句教材句】1. ive just made a model spaceship for our school project. 我刚刚做完了我们学校项目要求的宇宙飞船模型。我刚刚做完了我们学校项目要求的宇宙飞船模型。2. lots of scientists are working hard in order to send astronauts to mars one day. 许多科学家正在努力研究许多科学家正在努力研

10、究, 为了有朝一日能将宇航员为了有朝一日能将宇航员送往火星。送往火星。3. scientists think that there has been life on the earth for hundreds of millions of years. 科学家认为地球上的生命已有亿万年的历史了。科学家认为地球上的生命已有亿万年的历史了。 4. the earth is a planet and it goes around the sun. 地球是一颗行星地球是一颗行星, 它围绕太阳运行。它围绕太阳运行。5. the sun and its planets are called the so

11、lar system. 太阳和它的行星被叫做太阳系。太阳和它的行星被叫做太阳系。 6. none of them has an environment like that of the earth. 没有一颗行星拥有与地球一样的环境。没有一颗行星拥有与地球一样的环境。 【拓展句拓展句】1. my dream is to be an astronaut. 我的梦想是成为一名宇航员。我的梦想是成为一名宇航员。2. shenzhou ix was sent up into space successfully. “神舟九号神舟九号”成功升空。成功升空。3. you have finished a l

12、ot of experiments. 你们已经做了很多实验。你们已经做了很多实验。【鉴鉴典题考题典题考题】2019年年10月月, 上海博物馆将邀请刘洋教授来给青上海博物馆将邀请刘洋教授来给青少年讲解太空知识以及宇航员训练等知识。刘洋是中少年讲解太空知识以及宇航员训练等知识。刘洋是中国载人航天史上第一位女性宇航员。国载人航天史上第一位女性宇航员。2012年年6月月, 她和她和另外两名宇航员景海鹏和刘旺乘坐另外两名宇航员景海鹏和刘旺乘坐“神舟九号神舟九号”载人载人航天飞船完成载人空间对接任务。假如你是大明航天飞船完成载人空间对接任务。假如你是大明, 你你对太空有着浓厚的兴趣对太空有着浓厚的兴趣,

13、梦想成为一名宇航员梦想成为一名宇航员, 请给请给刘洋教授写一封信刘洋教授写一封信, 询问你所关注的知识询问你所关注的知识, 并表达自己并表达自己的愿望和决心。的愿望和决心。要求要求: 语言通顺语言通顺, 行文连贯行文连贯, 内容充实内容充实, 80词左右。词左右。dear professor liu, im excited to know you are going to give us a speech. _im looking forward to meeting you soon. yours, daming【审题谋篇审题谋篇】体裁体裁 应用文应用文时态时态谈论个人经历可采用现在完成时谈

14、论个人经历可采用现在完成时; ; 谈论人谈论人物的计划和打算需采用一般将来时物的计划和打算需采用一般将来时人称人称 第一人称第一人称要点要点开篇点明主题开篇点明主题具体描述个人感兴趣的知识和疑问等具体描述个人感兴趣的知识和疑问等最后表达愿望和决心最后表达愿望和决心【遣词造句遣词造句】1. 开篇点题引出写作目的开篇点题引出写作目的知道你要给我们做演讲知道你要给我们做演讲, 我感到很兴奋。我感到很兴奋。_ im excited to know you are going to give us aspeech.2. 具体描述个人感兴趣的知识和疑问等具体描述个人感兴趣的知识和疑问等(1)宇航员宇航员

15、_(2)宇宙宇宙 _(3)梦想梦想 _(4)太空旅行太空旅行 _ (5)对对感兴趣感兴趣 _ (6)完成很多实验完成很多实验 _ (7)因因感到骄傲感到骄傲 _ (8)为了为了; 以便于以便于 _ astronautuniversedreamspace travelbe interested infinish a lot of experimentsbe proud ofin order to(9)我有一个成为像你一样的宇航员的梦想。我有一个成为像你一样的宇航员的梦想。_ (10)你能告诉我宇航员在太空中是如何生活的吗你能告诉我宇航员在太空中是如何生活的吗? 他他们在空闲时间做什么们在空闲时间

16、做什么? _i have a dream of being an astronaut like you.could you tell me how astronauts live in space andwhat they do in their free time? 3. 最后表达愿望和决心最后表达愿望和决心我期待很快与你相见。我期待很快与你相见。_ im looking forward to meeting you soon.【连句成篇连句成篇】 dear professor liu, im excited to know you are going to give us a speech

17、. we are proud of you. i am a student in grade eight. i am interested in space travel. i have a dream of being an astronaut like you. could you tell me how astronauts live in space and what they do in their free time. you have finished a lot of experiments, but which one do you like best? in order t

18、o make my dream come true, what kind of books should i read and what sports should i play? im looking forward to meeting you soon. yours, daming【练练话题写作话题写作】假如你是假如你是sam, 生活在火星上生活在火星上, 你的妹妹你的妹妹amy在在地球上。请根据表格提示地球上。请根据表格提示, 给给amy写封电子邮件写封电子邮件, 向她向她介绍一下你在火星上的生活。介绍一下你在火星上的生活。感觉感觉舒服、有趣舒服、有趣学习方面学习方面 通过电脑上网学习通过电脑上网学习, 与老师、同学交流与老师、同学交流生活方面生活方面机器人帮忙做家务机器人帮忙做家务, 有更多闲暇时有更多闲暇时间读书、做运动间读书、做运动环境方面环境方面 环境很美环境很美, 没有污染没有污染要求要求: 包含以上所有要点包含以上所有要点, 可适当增加细节可适当增加细节, 80词左右词左右dear amy, im writing to you on mar