新外研八年级英语下ModuleUnitPPT学习教案

1、会计学1新外研八年级英语下新外研八年级英语下ModuleUnit2Revision第1页/共26页3第2页/共26页4Ive just made a model spaceship.We have not found life on any other planets yet.Astronauts have already been to the moon.Has it arrived yet?Presentation第3页/共26页5Grammar现在完成时用在什么地方呢？当我们要表达“某人曾经做过某事”, “某人已经做了某事”等意思时, 英语要用“现在完成时”来表达。第4页/共26页6 否

2、定句I have not worked.He/She has not worked.They have not worked. 肯定句I have worked.He/She has worked.They have worked.haventhasnthavent现在完成时的结构：has/have + done (动词过去分词)第5页/共26页7She / He / It / 或sb.的单数形式has done sth.I/We/You/They或sb.的复数形式have done sth.现在完成时的一般疑问句形式是：Has done sth.?she / he / it / 或sb.的单

3、数形式Have done sth.? I / we / you / they / 或sb.的复数形式现在完成时的肯定形式是：第6页/共26页8我父母曾经坐船去大连旅游。她已经完成作业。我父母未曾坐船去过大连旅游。My parents have travelled to Dalian by ship.She has finished her homework.My parents havent travelled to Dalian by ship.第7页/共26页9她还没有完成作业。你父母曾经坐船去大连旅游过吗？她已经完成作业了吗？Have your parents travelled to

4、Dalian by ship?Has she finished her homework?She hasnt finished her homework.第8页/共26页10句，在否定句中则要用句，在否定句中则要用yet,表示表示“还还（未）（未）”。例如：。例如：The scientists havent heard from it yet.第9页/共26页11Ive just been to the post office. 我刚才去邮局了。Have you ever been to Hangzhou? 你曾经去过杭州吗？Mary has never been to the Great W

5、all. 玛丽从未去过长城。第10页/共26页12（2）have/has been to 后面可接次数，表示去过某地几次。Ive been to Beijing three times. 我去过北京三次。They have been to that village several times. 他们已经去过那个村庄好几次了。 第11页/共26页13他到书店去了。他到书店去了。第12页/共26页14already, just, ever, yet, never already, just ever, yet, never第13页/共26页15A: Have you ?B: Yes, / No,

6、(using already, just, ever, yet, never)第14页/共26页16Spaceship on Mars Astronauts have _ been to the moon but they have not been to any other planets.However, a spaceship has _ arrived on Mars and it has _ sent back photos of the red planet. Is there life on Mars? We do not know _.1.Complete the news w

7、ith already, just and yet.Practicealreadyalreadyjustyet第15页/共26页171.Astronauts have been/ gone to the moon and returned.2.The spaceship has been/gone into space. It will travel for ten days.3.The astronaut has been/gone to the space station. He will come back tomorrow.4.The spaceship has been/gone t

8、o the space station.It brought back two astronauts.Choose the correct answer.第16页/共26页18have/has been have/has gone1.A spaceship _ to Mars.It is coming back to earth next year.2.Lots of astronauts _ to the space station. They found it very interesting.3.Some astronauts _ to the moon.4.A British astr

9、onaut _ to the space station. He will come back in January.Complete the sentences with the expressions.has gonehave beenhave beenhas gone第17页/共26页19Nicky:Ive just _(watch) a great TV programme about space. Do you know that scientists have _(discover) water on Mars?Bill: No! Really? Thats very intere

10、sting. _ they _(try) to find life on mars?Complete the conversation.watcheddiscoveredHavetried第18页/共26页20Nicky: Well,theyre looking for life but they _(not find) anything yet.Bill: _ you _(see) the photos of Mars?Nicky: No. What does it look like?Bill: Its red！havent foundHave seen第19页/共26页21Dear Li

11、 Fang,Ive _ finished reading a great book at school.I havent _ anything as good as that for a long time! Its a story about the solar system.In the book, the writer imagines that astronauts have _ to Mars. Ive _ read that before and I think its very interesting.Complete the email with the words in th

12、e box.been, just, met, never, read, written, yetjustreadbeennever第20页/共26页22I havent _ anyone famous in my life but I hope one day I can meet an astronaut. Ive _ to a Chinese astronaut for more information about space and his experience of space travel. I hope he will write back. He hasnt _.Maybe he

13、 is too busy. Im still waiting.Best wishes,Liu Danmetwrittenyet第21页/共26页236.He decided to be an astronaut because he has always been _ in space.第22页/共26页24astronaut discover doubt moon news reach spaceship yetIn July 1969 Neil Armstrong became the first _ to walk on the _.People all around the world watched their televisions waiting for the _ to _ the earth. We have now _ a lot more about our solar system and we have sent _ to Mars, but no one has walked on that planet.