Unit8 Section A Grammar focus-4c课件 2022-2023学年人教版英语八年级下册

R·八年级下册 Unit 8 Have you read Treasure Island yet? Section A Grammar focus-4c 到达岛上 带回来很多东西 丢失某人的性命 放弃 等待 砍树 带着枪外出 arrive on the island bring back many things lose one’s life give up wait for cut down trees go out with a gun Review a few weeks ago not long after that run towards my house help sb. (to) do sth. live with sb. 8. 捕杀动物和鸟作为食物 9. 学习种水果和蔬菜 kill animals and birds for food learn to grow fruit and vegetables 10. 几个星期以前 11. 在那之后不久 12. 朝我的房子跑去 13. 帮助某人做某事 14. 和某人一起住 Have you read Little Women yet? Yes, I have. / No, I haven’t. Has Tina read Treasure Island yet? Yes, she has. She thinks it’s fantastic. Have you decided which book to write about yet? Yes, I have. I’ve already finished reading it. It was really good. Grammar Focus 现在完成时 1定义：表示过去发生或已经完成的某一动作对现在造成的影响或结果。 常与 already, yet, just刚刚, never从不, ever曾经, before以前, so far到目前为止等词连用。 I’ve already finished reading it. Have you read Little Women yet? 例 句 I’ve bought two apples. 2定义：表示从过去的某一时间开始，一直持续到现在的动作或状态。 动词常是延续性动词，be, stay, study, wait, keep, have等。 I have studied in this school for two years. She has waited here for an hour. 现在完成时的构成 肯定句: 主语+have/has +过去分词+其他 否定句: 主语+haven’t/hasn’t + 过去分词+其他 一般疑问句：Have/Has +主语+ 过去分词+ …? 肯定答语: Yes, 主语+ have/has. 否定答语: No, 主语+ haven’t/hasn’t. 特殊疑问： 特疑+have/has+主语+过去分词+其他？ 搭配for,since引导表示时间段的状语， for+时间段 for three years since作介词，since+时间点，since +时间段+ago since 2008, since two years ago. since作连词，引导一个一般过去时的时间状语从句 We have known each other since we went to college. already “已经”，肯定句。一般置于助动词have/has后，v.-ed 之前，但也可以放在句末。 just “刚刚”，肯定句。一般置于助动词have/has之，v.-ed 之前。 yet 1“已经”，疑问句。 2“还，仍然”，否定句和疑问句 I have already read Little Women. I have just finished my homework. Have you read Little Women yet? I haven’t seen the film yet. 1. He ____ not ______ (begin) to work ____. 2. I ____________ (finish) my homework _______. 3. We have ____ heard of her marriage. 4. I __________________ (solve) this problem. 5. ________________ (finish) your homework ____? 6. I have _____ finishe