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课件网) Unit 8 Have you read Treasure Island yet Section A Grammar Focus-4c Learning aims: 1.掌握本课时单词及短语： science fiction; technology; French; can't wait to do sth 2.现在完成时的构成及用法。 3.现在完成时与一般过去时的区别。 arrive on this island make a boat bring back give up wait for cut down build a house 到达这个岛 制作一只船 带回来 放弃 等候 砍倒 建房子 Revision kill … for food the marks of another man’s feet who else see sb. doing sth. run towards help sb. do sth. name sb. … teach sb. sth. 杀死……作为食物 另一个人的脚印 还有谁 看见某人正在做某事 朝……跑 帮助某人做某事 给某人起名为…… 教某人某事 Grammar Focus 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. Tip 1 : pay attention to the key words. Tip 2: pay attention to the structures. 用法 1: 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。 常跟already, yet, just, ever, never, before， so far（到目前为止）等时间状语 现在完成时 构成：have/has+v过去分词 have breakfast I’m not hungry now now past I have already had breakfast. e.g. I’ve known Bob for three years. I haven’t seen her since last year. 2. 表示动作或状态从过去某一时刻开始，一直 延续到现在，而且可能还要继续下去。常跟 for,since 引导的时间状语 用 already或 yet填空： – Have they taken down the old pictures _____ – No, not _____. Most of us have _____ finished our compositions. 3) He said he hadn’t visited the museum _____. 活学活用 yet yet already yet 用 since 或 for 填空： We have learned five lessons _____ the beginning of this term. Mrs. Liao has been in hospital _____ last week. I have stayed at my aunt’s _____ two weeks. since for since 活学活用 现在完成时与一般过去式的区别 现在完成时用来表示之前已发生或完成的动作或状态，其结果的确和现在有联系，动作或状态发生在过去，但它的影响现在还存在；而一般过去时表示过去的事实，不表示和现在的关系。 2.现在完成时为过去发生的，强调过去的事情对现在的影响，强调的是影响；过去时表示过去某时发生的动作或单纯叙述过去的事情，强调动作。 1. A: Would you like something to drink B: No, thanks. _____. (just/drink some tea) 2. A: I heard you lost your key. _____ (find) B: No, not yet. 3. A: Do you know when Tom is leaving B: _____. (already/leave) A: When _____ (leave) B: This morning. I’ve just drunk some tea Have you found it yet He has already left did he leave 4a 4. A: Is your sister going to the movies with us tonight B: No. _____. (already/see the film) 5. A: What do your parents think about our plan B: I _____ . (not/tell them/yet) She has already seen the film haven’t told them yet Sally _____ (love) reading. In the morning, she reads the newspaper and in the evening she reads books. She _____already _____ (read) more than 100 different books! Her favorite kind of book is science fiction. She is interested in science an ... ...
