Module 3 Unit 3课件-2024-2025学年外研版八年级英语下册

Unit 3 Language in use Learning aims just，already和yet在现在完成时中的用法； 现在完成时与一般过去时的区别。 have been to/have gone to 区别用法 1. ______________ a model spaceship. 我刚刚做了个宇宙飞船模型。 2. ____ it ____________? 它已经到达了吗？ 3. Astronauts ___________________ the moon. 宇航员已经去过月球了。 4. We _____________ life on any other planets _______. 我们还没有在其他星球发现生命。 I’ve just made arrived yet have already been to yet Has have not found 根据中文完成句子。 词条 意义 用法 already 已经 肯定句中，放have/has之后，过去分词前 just 刚刚 肯定句中，放在have/has之后，过去分词前 ever 曾经 疑问句或肯定句中，放have/has之后，过去分词前 yet 还；尚未 否定句或疑问句中，放句末 Spaceship on Mars! Astronauts have (1) ________ been to the moon but they have not been to any other planets. However, a spaceship (2) has _______ arrived on Mars and it has (3) _______ sent back photos of the red planet. Is there life on Mars? We do not know (4) ________. already just already yet Complete the news with already, just and yet. 课本P22，1 现在完成时：have/has + 动词过去分词 一般过去时：主语 + 动词过去式 ① Henry has lived here for three years. 亨利已经在这里住了3年了。 否定句： 一般疑问句： 回答： ② They lived here in 2011. 他们2011年住在这里。 现在完成时与一般过去时 一、构成不同 Henry hasn’t lived here for three years. Has Henry lived here for three years? Yes, he has./No, he hasn’t. 现在完成时：have/has + 动词过去分词 一般过去时：主语 + 动词过去式 ② They lived here in 2011. 他们2011年住在这里。 否定句： 一般疑问句： 回答： 现在完成时与一般过去时 一、构成不同 They didn’t live here in 2011. Did they live here in 2011? Yes, they did./No, they didn’t. ① I have just been to London. I went there last month. 我刚去过伦敦，上个月去的。 ② I have already finished my homework. I finished it an hour ago. 我已经完成家庭作业了，一小时前完成的。 现在完成时表示该事件是在现在之前的某一个时间里发生的，重点在于强调已完成动作对现在的影响。 一般过去时表示在过去某一具体时间发生的事情。 二、用法不同 现在完成时是一个与过去和现在都有关系的时态，因此，具有这样时间特点的状语都可以与现在完成时连用。 一般过去时常与表过去的具体的时间状语连用。 ① His father has read hundreds of books so far. ② - Have you ever been to London? - No, I have never been there. ③ Did you watch that film last week? ④ She came back yesterday. 三、时间状语不同 8 8 A: Where_____you _____ (put)my book? I can't find it. B: I________it on your desk yesterday. 当没有明确的过去时间状语时，判断该用现在完成时还是一般过去时的标准是：看该行为是否对现在有影响，即该句所强调的是什么。 A: Would you like to go and see the film with me tonight? B: Sorry, I __________ (see)it twice. have put put have seen 用一般过去时或现在完成时填空。 1. Nobody can find my treasures(财富) because I __________ (hide) them in a secret place. 2. — Rob, shall we go to the cinema tonight? — I‘d love to, but Tim _________ (invite)me out for dinner tonight. 3. —_____ you _____ (talk)about it with your father, Tom? — Yes, I have. 4. We __________ (learn) many new words since then. Exercises have hidden has invited Have talked have learned hide-hid-hidden 1. 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. Now choose the correct answer. 4. The spaceship has been/gone to the space station. It brought back two astronauts. 课本P22，2 (have/has gone to去了某地，现在还没回来) (have/has been to去过某地，现已回来) Complete the sentences with the expressions in the box. have/has been have/has gone 1. A spaceship ________ to Mars. It is coming back to the earth next year. has gone 2. Lots of astronauts __________ to the space station. They found it very interesting. 3. Some astronauts __________ to the moon twice. 4. Two British astronauts __________ to the space station. They will come back in January. have been have been have gone 课本P23，3 Nicky: I’ve just (1) ________ (watch) a great TV programme about space. Did you know that scientists have (2) __________ (discover) water on Mars? Bill: Yes, I did. And scientists (3) __________ (try) to find life on Mars now. watched discovered are trying Complete the conversation with the correct form of the verbs in brackets. Nicky: Yes, they’re looking for life but they (4) ____________ (not find) anything yet. Bill: There were some new photos of Mars in the newspaper today. (5) _______ you ______ (see) them yet? Nicky: Yes. They’re amazing! haven’t found Have seen 课本P23，4 Complete the email with the words in the box. been just met never read written yet Dear Li Fang, I’ve (1) _______ finished reading a great book at school. I haven’t (2) ______ anything as good as that for a long time! It’s a story about the solar system. In the book, the writer imagines that astronauts have (3) ______ to Mars. I’ve (4) _______ thought about that before and I think it’s very interesting. I haven’t (5) ______ anyone famous in my life but I hope one day I can meet an astronaut. I’ve (6) _______ to a Chinese astronaut for more information about space and his experience of space travel. I hope he will write back. He hasn’t (7) ______. Maybe he is too busy. I’m still waiting. Best wishes, Liu Dan just read been never met written yet 课本P23，6 write-wrote-written 写 Listen and complete the notes. 1. The astronaut joined CNSA _______ years ago. 2. He has flown in a spaceship _______ times. 3. He felt _________ when he was in the spaceship. six two excited 4. He has been to the space station _________. 5. The earth was blue and very __________ when he saw it from the space station. 6. He decided to be an astronaut because he has always been __________ in space. twice beautiful interested 课本P24，7 Complete the passage with the correct form of the words in the box. astronaut, discover, moon, news, reach, spaceship, yet In July 1969, Neil Armstrong became the first (1) __________ to walk on the (2) _________. People all around the world watched their televisions and waited for the (3) _________ to (4) _________ the earth. astronaut moon news reach We have now (5) __________ a lot more about our solar system, and we have sent (6) __________ to Mars, but no one has walked on that planet (7) _________. But I believe one day someone will! discovered spaceships yet 课本P25，9 一. 根据语境选用have/has been或have/has gone填空。 1. My parents _____________ to Beijing before. They will take me there next month. 2. —Dad, where is mum? —She _____________ to the supermarket. 3. They _____________ to the Great Wall four times. They know the way. have been has gone have been 4. —Where is your father, Tim? —He ____________ to Shanghai. He’ll be back in 3 days. 5. The Blacks aren’t at home. They _____________ to the park already. 6. Mike wants to go to the history museum again, although he ____________ there many times. has gone have gone has been 当堂检测 二、单项填空。 1. —Is Tom at home? —No, he ______ to the hospital. A. has been B. has gone C. goes D. will go 2. He promised to pick me up at the school gate. However, he ______ yet. A. didn’t arrive B. doesn’t arrive C. hasn’t arrived 3. I ______ already ______ Shanghai EXPO 2014. A. have; visited B. was; visited C. has; visited 4. Julie’s father ______ to London last month. He ______ there three times. A. went; had gone B. has gone; has been C. went; has been D. has been; had gone 5. —Have you ever heard the news? Some scientists have ______ sent a spaceship to the moon. —Yes. I think they want to find life on the moon. A. ever B. already C. yet D. never B C A C B 5 mins $$