八年级英语上册Module3JourneytospaceUnit3Languageinuse教学课件外研版.ppt

天津外国语大学附属滨海外国语学校 外研初中二年级上册 Module 3 Journey to space Unit 3 Language in use diary even Jupiter secret real twice explore mission unmanned New words 日记 甚至 木星 秘密， 秘密的 真实的 两次 探测 任务 不载人的 Language practice Have you heard the latest news? Some scientists have sent a spacecraft to Mars. And have the astronauts discovered life on Mars? But astronauts have already been to the moon. 现在完成时（二） 当我们要表达“已经做完某事”或者“刚刚做完某事”时，也用现在完成时来表达。其结构也是： have / has +动词的过去分词. 常用的时间状语有: already, just, 一般置于have/has 之后，用于肯定句中；在否定句中则要用yet 表示“还，未”。 Grammar 1) I have already had my breakfast. 2) She has just read a book about Mars. 3) Tom’s parents haven’t been to China yet. 我已经吃过早餐了。 她刚刚读完一本有关火星的书。 汤姆的父母还没来过中国。 与现在完成时连用的几个副词： 肯定句: 疑问句和否定句: yet 常置于句末 already, never, ever, just 一般置于助动词 have/has之后，过去分词之前。 already, just, ever, yet, never already, just ever, yet, never Put the words in the correct place in each sentence. They haven’t been to Mars yet. 2. Many astronauts have already visited the space station. 3. The spacecraft has just reached Mars. Activity 1 4. We’ve already known that there isn’t any life on the moon. 5. We have just started to look at other planets. 6. The space shuttle has just returned from a visit to the space station. we / just / TV / programme / on / a / watched / have /. We have just watched a programme on TV. 2. on / discovered / yet / life / they / Mars / haven’t /. They haven’t discovered life on Mars yet. Put the words in order to make sentences. Activity 2 3. already / astronauts / landed / moon / on / the / have /. The Astronauts have already landed on the moon. Look at these sentences. The astronauts have gone to the space station. They’ve gone there, but they haven’t come back. The astronauts have been to the space station. 宇航员们已经去了太空站。 他们去了那里，但是还没回来呢。 宇航员们已经去过太空站了。 Activity 3 They went there and then they came back. Miss Gao has been to America. She has just returned. Han Li has gone to school. She is not at home. 高