八年级英语上册 课件 外研版.ppt

So many people, so many people in the park How many? How many? Twenty, thirty, forty, fifty Sixty, seventy, eighty, ninety Oh, a hundred people. How do you get to school? Work in pairs how many planet the name of the planets recently, which one has been degraded how to travel in space development in China recently, which one has been degraded the future of exploration in space Work in groups Example : A: Have you ever heard that there is a planet degraded recently ? B: No, I haven’t. C: Does B know which planet is the largest one ? A: Yes, he / she has. 现在完成时的肯定形式是： 现在完成时的一般疑问句形式是： 要表达“刚刚做完某事”、“已经做完某事”时，我们同样可以用现在完成时。如: I have just heard the news. Astronauts have already been to the moon.可以看出，just 用来表示“刚刚”，already 用来表示“已经”，一般置于have/has之后，两者都用于肯定句，在否定句中则要用yet,表示“还（未）”。如： The scientists haven’t heard from it yet. have been to 与have gone to 的区别 1. have (has) been to意为“曾经去过某地”，表示现在已经不在那里了。可与just, ever, never等连用。如： have been to 与have gone to 的区别 have been to 与have gone to 的区别 2. have (has) gone to 意为“到某地去了”，表示到了某地或正在去某地的途中。总之，说话时该人不在现场，一般不用第一、第二人称代词作句子的主语。如： —Where is Tom? 汤姆在哪里？ —He has gone to the bookshop. 他到书店去了。 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。 A: Have you… ? B: Yes, …/ No, … (using already, just, ever, yet, never) How does he go to work? Talk freely T he use of a mobile phone. Module 4 New technologyUnit 2 If a snake bites you , take a photo . Fast reading Read quickly and answer the questions 1.Who gives this surprising advice ? 2.What advice is it ? Careful reading 1.Read Paragraphs 1 and 2 , and answer the questions Read Paragraphs 3 and 4 , and choose the best answer 1.Where did the snake hide ? ( ) A) It hid under the dish(n.盘子) . B) It hid under a box of bananas . hide v. 隐藏 ( hide—hid—hidden) Read Paragraphs 5 and 6 , and tell the sentences T or F 1.At first , doctors could