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课件网) （人教新目标版）八下英语 Period 3 Section A 4a-4c Unit 8 Have you read Treasure Island yet Learning objectives Teaching aims（教学目标） 能够结合“现在完成时”来运用本节课出现的新词汇和知识点。 Key points （重点）： 1. 要求掌握以下句式： Have you read Little Women yet Has she read Treasure Island yet She has already read more than 100 different books. 2．要求掌握以下词汇： （1）名词：fiction, technology, French （2）词组：science fiction fiction science fiction n. 小说 technology n. 科技；工艺 科幻小说(或影片等) New words French n. 法语 相关词汇： France n. 法国 New words Underline the sentences using the present perfect tense. 现在完成时的结构： have/has + done 现在完成时可以和already、never等连用。 Lead in Present perfect tense with already and yet Presentation past I read Little Woman. I decide to write about it for English class. I have already finished reading Little Woman. 1. We use the present perfect tense to talk about an action that happened in the past and has a connection with the present. 表示在以前某个时间已经发生的行为或曾经做过的事情对目前有某种 影响。 present present perfect 一、现在完成时的用法 Presentation past I read The Old Man and the Sea for the first time. I'm not tired of it. Even though I've already read The Old Man and the Sea three times, I'm not tired of it yet. present present perfect I read The Old Man and the Sea for the second time. 2. We also use the present perfect tense to talk about how many times an action has happened till now. 表示一个动作到现在已经发生了多少次。 I read The Old Man and the Sea for the third time. 3. We use the present perfect tense to talk about an action that started in the past and continues to the present. 表示过去发生的动作一直延续到现在并且已经完成，而且可能持续 到将来。 past present future He moved to Hangzhou 5 years ago. He lives in Hangzhou now. He has lived in Hangzhou for 5 years. present perfect Presentation 2. 否定句式：_____ 1. 肯定句式：_____ I've already finished reading Little Women! I haven't finished reading Treasure Island yet. 主语 + have/has + 过去分词 + 其他. 主语 + haven't / hasn't + 过去分词 + 其他. 二、现在完成时的句型 3. 一般疑问句：_____ _____ - Have you read Robinson Crusoe yet, Harry - Yes, I have. / No, I haven't. - Have / Has + 主语 + 过去分词 + 其他 - Yes, 主语 + have/has. / No, 主语 + haven't/hasn't. Where have you been during your summer holiday 4. 特殊疑问句：_____ 疑问词 + have/has + 主语 + 过去分词 + 其他 already强调动作的完成，常用于肯定句中。 yet常用在否定句中, 表示“还，尚”，用在疑问句中表示“已经”。 动词的过去分词形式如何构成呢？ Presentation Infinitive 动词原形 Past Tense 过去式 变化规则 look look look move move move carry carr carr stop stop stop 规则变化： 一般动词，加ed 以不发音的e结尾的动词，加d 以“辅音+y”结尾的动词，变y为i，再加ed 以一个辅音字母结尾的重读闭音节动词，双写词尾辅音字母，再加ed ed ed d d Past Participle 过去分词 ed ed p p ed y i ed y i 动词过去分词的变化规则示例 ... ...
