Unit 8 Section A (Grammar Focus～4c) 课件 2024-2025学年人教版八年级英语下册

Unit 8 Have you read Treasure Island yet? Section A (Grammar Focus~4c) 23002 1 1.学习目标 3.重点探究 2.自主学习 学习导航 5.当堂检测 6.课堂总结 4.拓展提升 23002 2 新课导入 Let's review the names of the classics. What classics did we learn in this unit? Alice in Wonderland Treasure Island Robinson Crusoe Little Women Oliver Twist Tom Sawyer 学习目标 1.能熟悉并正正确运用本课时的重点单词和短语 2.能熟练运用现在完成时 4 自主学习 New words & phrases 1.n. 小说 ____________________ 2.科幻小说（或影片等） ____________________ 3.n. 科技；工艺 ____________________ 4.n. 法语 ____________________ 5.喝的东西 ____________________ 6.认为 ____________________ 7.多于 ____________________ 8.迫不及待地去做某事 ____________________ 9.一点 ____________________ 10. 对……感兴趣 ____________________ fiction science fiction French technology something to drink think about more than can't wait to do sth. a bit be interested in 23002 5 重点探究 读下列句子，你能总结出句子中包含的语法吗? 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. 现在完成时：助动词have/has + 过去分词done 现在完成时 The Present Perfect Tense 用法： 1.表示到现在为止已经完成或刚刚完成的动作。 标志时间状语: already, yet, just 结构 肯定句：主语 + have/ has + 过去分词+... 否定句:主语+haven't ( have not) +过去分词… 主语+hasn't ( has not ) +过去分词... 疑问句:Have / Has+主语+过去分词...? —Have you finished your homework yet? —Yes,I have./No,I haven't. I haven’t finished my homework yet. I have already finished my homework. 现在完成时句型结构 already “已经”, 常用于肯定句中. 一般置于助动词have/has与过去分词之间, 也可以放在句末。 I have already seen the film. I have finished my homework already. yet,在现在完成时句型中常置于句末。 1) “已经”, 常用在疑问句。Has Linda read the book yet? 2)“还, 仍然”, 常用于否定句。The bus hasn’t come yet. 另外 just “刚刚”, 常用于肯定句中，一般置于助动词have / has与过去分词之间；而just now 则用于一般过去时。 I have just finished lunch. I finished lunch just now. 2014 started learning English 2020 learning 6 years have learned English I started learning English in 2014. I am learning English these days. I have learned English for 6 years. （一般过去时） （现在进行时） （现在完成时） 注意 现在完成时侧重于强调这一动作对现在产生的结果、影响等。 4a Use the words in brackets to complete the conversations. 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? Tom/He has already left did he leave 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 have not/haven’t told them yet 4b Fill in the blanks with the correct forms of the words in brackets. 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 books is science fiction. She is interested in science and technology and loves to imagine what the world _______ (be) like in 50 years. She _______ (finish) reading a book about robots last week and _________ (write) a book report about it next week for her French class. Every time she is in the library, Sally looks at the many books she _____________ (not read) yet and she can’t wait to read them! loves has read will be finished will write has not read 4c Complete the chart with information about you and a friend. A: What books have you already read? B: I have already read Tom Sawyer and Harry Potter. A: What do you think of them? B: Well, I think Harry Potter was exciting, but Tom Sawyer was a bit boring. You Your friend Comments Books I have already read Movies I have already seen Songs I have already heard 拓展提升 Language points 动词过去分词的构成有规则构成和不规则构成两类。规则动词过去分词的构成和其过去式的构成相同。 过去分词的规则变化 (1)一般动词，在词尾直接加“ ed ”。 work—worked—worked (2)以“ e ”结尾的动词，只在词尾加“ d ”。 　 live—lived—lived (3)以“辅音字母 + y ”结尾的动词，将“y” 变为 “i”，再加“ ed ”。 study—studied—studied (4)重读闭音节结尾，末尾只有一个辅音字母，先双写该辅音字母，再加“ ed ”。 drop—dropped—dropped 过去分词的不规则变化 eat- see- come- build- read- keep- write- find- have- be- tell- meet- leave- make- buy- go- built found told come gone left had read eaten bought written met made been kept seen 不规则动词的过去分词需要大家牢记。参见课本P136—137。 现在完成时 一般过去时 用法1：表示到现在为止已经完成的动作。 用法1：表示过去某时发生的动作。 用法2：表示动作发生在过去，对现在造成影响。 用法2：表示过去存在的某种状态。 用法3：表示动作开始于过去，一直持续到现在，并有可能继续持续下去。 用法3：表示过去经常性发生的动作或状态。 现在完成时/一般过去时用法不同 现在完成时/一般过去时标志词不同 现在完成时 一般过去时 副词作标志词：just, already, yet 过去时间点：just now, at that time, yesterday, this morning, three years ago since + 时间点/(时间段+ago)/一般过去时句子 for + 时间段 过去时间段：in the past, in + 过去的年份, last week, once upon a time等 表示次数的时间状语：once, twice, three times, ever, never 特殊结构： used to + 动词原形 （过去常常） 当堂检测 Ⅰ. 根据句意和汉语提示填写单词。 1．I have read several copies of Mo Yan's ________ (小说)． 2．Miss Brown can speak ________ (法语)very well． 3．Modern __________ (技术)is developing very quickly these days． 4．Jim hasn’t finished ________ (阅读)Harry Potter yet． 5．There are 30 ________ (妇女)teachers in our school． technology fictions French reading women Ⅱ. 按要求改写句子，每空一词，含缩写词。 1．I have already seen the movie．(改为一般疑问句，并作肯定回答) _______ you _______the movie_______？ _______, I _______. 2．Mrs.Green taught in the club five years ago．(用since five years ago改写句子) Mrs.Green _______ _______in the club since five years ago． 3．Where is Frank going?Do you know?(合并为一句) Do you know _______ _______ _______going? 4．They have come up with a good idea．(改为否定句) They _______ _______up with a good idea． Yes have has taught where Frank is haven’t come Have seen yet 课堂总结 Unit 8 Section A (Grammar Focus~4c) 现在完成时的综合运用：通过以上活动，我们学习了现在完成时的结构为1.____________，现在完成时的疑问句，其肯定回答是2.______________，否定回答是3.__________________。Yet用于4._______________中，already用于5._________中。 have/has done Yes,sb have/has No,sb haven’t/hasn’t 肯定句 否定句和疑问句 重点词汇及短语： __________________________________ __________________________________ __________________________________ __________________________________ fiction a bit something to drink science fiction think about technology French can't wait to do sth. be interested in more than next week $$