人教英语八下Unit8第三课时(SectionA Grammar Focus-4c).zip

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人教英语八下Unit8第三课时(SectionA Grammar Focus-4c) 英语 unit8 第三 课时 sectiona focus
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Section A Grammar Focus 4c Warming upGrammar focus PresentationExercises Summary Homework Unit 8 Have you read Treasure Island yet? 人教版 英语 八年级下册 Learning goals 1. Words has not = hasnt have/has 常可缩略为 -ve/-s 二、过去分词的构成 1. 规则变化(与动词过去式规则一样,此类称作规则动词) Presentation 一般在词尾直接 加 -ed 以不发音的e结 尾的,加 d 以“辅音字母+y”结 尾的,改y为i加-ed 重读闭音节以一 个辅音字母结尾 的,双写这个辅 音字母后加 ed workworkedsliceslicedstudystudiedstopstopped -ed 的读音规则: 在元音或浊辅音后读 ,如 tried ,lived 。 在清辅音后读 ,如 worked ,stopped 。 在后读,如 mended ,wanted 。 2. 不规则变化(此类称作不规则动词,有很多) Presentation 原形(不定式)过去式过去分词 bewas/werebeen havehadhad choosechosechosen putputput runranrun 参看课本P136-137 Irregular Verbs(不规则动词表) 三、现在完成时的用法 1. 表示过去发生或已经完成的动作对现在造成的影响或结果。常和 just(刚刚),already(已经),yet(还,仍然),ever(曾经) ,never(从未),before(以前),so far(到目前为止)等连用。 Have you had your breakfast yet? Yes, I have. Ive just had it. Have you ever heard this song? No. Ive never heard it before. Julia has collected over 100 beautiful hair clips so far. Presentation Presentation 现在完成时用法1: 表示过去发生或已经完成的动作对现在造成的影响或结果; past I had breakfast.Im not hungry now. present I have already had breakfast. (早餐过去吃的,现在不饿。) 图示法表示 2. 现在完成时还可以表示过去某一时间开始并一直持续到现在的动 作或状态,常与“for + 时间段”或“since + 时间点 / 从句”连用,这时 要用延续性动词。 They have worked in this company for 30 years. He has been in the army since 2016. (错:He has joined the army since 2016.) 【特别提醒】如果要对 for 或 since 短语提问,疑问词用 how long。 How long have you lived in this area? For at least 10 years. Presentation Presentation 现在完成时用法2: 表示过去某一时间开始并一直持续到现在的动作或状态。 图示法表示 past I moved here in 1990. I still live here. present I have lived here for 30 years. (30年来一直生活在这里) 三、already 与 yet 在现在完成时中的用法解析 Presentation yet 常用于否定句或疑问句句末。 用于表示某事尚未发生或某 情形尚未出现,或用于询问 某事是否已经发生。 He hasnt finished the book yet. Have you seen him yet? already 常用于肯定句中,用于强调 某事已经开始出现;也可用 于疑问句中,表示因某事的 发生早于预料而感到吃惊。 They have already known each other. Have you eaten all that food already? 四、现在完成时 VS. 一般过去时 1. 现在完成时表示过去发生的某一动作对现在造成的影响或结果 ,强调的是现在的情况,因此不能和表示过去的时间状语连用。 I have already done my homework.(不能用last night等) Ive been to Paris before.(不能用last year等) 2. 一般过去时只表示过去的动作和状态,与现在无关。可以和表示 过去的时间状语连用。 I did my homework last night. When did you go to Paris? (when 一定不要和现在完成时连用) Presentation 3. 日常对话中通常两种时态配合使用,开始提到一件事做 没做或发生过时用现在完成时,说起这件事具体情形时用 一般过去时。 Have you been to Japan? Yes, I have. I went there last year. Who did you go with? Presentation 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. Use the words in brackets to complete the conversations.4a Tip: Find the key words to identify which tense to use. Presentation Ive just drunk some tea Have you found it yet 3. A: Do you know when Tom is leaving? B: ________________________________. (already / leave) A: When _____________________? (leave) B: This morning. 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) Presentation He has already left did he leave She has already seen the film have not/havent told them yet Presentation Fill in the blanks with the correct forms of the words in brackets. 4b 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. fiction n. 小说 science fiction 科幻小说(或影片等) n. 科技;工艺 loves has read will be Tip: Find the key words to identify which tense to use. Presentation 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 cant wait to read them! finished will write hasnt read n. 法语 cant wait to do sth.迫不及待做某事 Presentation Complete the chart with information about you and a friend.4c A: What books have you already read? B: Ive 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. YouYour friendComments Books I have already read Movies I have already seen Songs I have already heard 你觉得它们如何? Presentation 1. First fill in the first column according to actual situation. 2. Then work in pairs asking and answering to fill the second and the third columns. 3. Now write a short paragraph using the information in the table and report to class. Example: Ive already read the book ____. I think its ____. My friend ____ has read a book called ____. He/She thinks its ____ and he/she Instructions on 4c: Exercises 一、单项选择 (安徽中考) Its ten years since we came here. How time flies! We _____ in China for so long. A. work B. worked C. will work D. have worked (贵阳中考)Today, all
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