初中英語牛津譯林版八年級下冊Grammar完美版課件ppt

這是一份初中英語牛津譯林版八年級下冊Grammar完美版課件ppt，文件包含Unit1Grammarpptx、Unit1Grammardocx、Unit1PastandpresentGrammar練習docx等3份課件配套教學資源，其中PPT共30頁， 歡迎下載使用。
Unit 1　Past and presentGrammar設(shè)計說明首先通過觀看一段電影的剪輯視頻，引出現(xiàn)在完成時，然后呈現(xiàn)現(xiàn)在完成時的三個概念以及與之連用的時間狀語，并通過一些練習進行鞏固。再對完成時態(tài)中just, never, already, yet, ever, since和for的用法加以講解和區(qū)分。最后對規(guī)則動詞的過去分詞變化規(guī)律進行分類講解，同時對不規(guī)則動詞的變化規(guī)律也進行講解，進而通過練習來鞏固。教學目標通過本課節(jié)的教學，讓學生達成以下目標：1.知識目標掌握詞匯：yet, recently, past2.能力目標(1)掌握現(xiàn)在完成時的基本結(jié)構(gòu)、基本用法和動詞過去分詞的變化規(guī)律；能夠在語境中正確運用現(xiàn)在完成時；(2)理解并運用常和現(xiàn)在完成時連用的時間表達方式。3.情感目標 了解城市變遷，培養(yǎng)學生熱愛生活、感恩社會的情感。重點難點1.重點：現(xiàn)在完成時的基本結(jié)構(gòu)、用法和動詞的過去分詞變化規(guī)則。2.難點：能夠在語境中正確運用現(xiàn)在完成時。教學準備PPT 課件；相關(guān)圖片。授課時數(shù)1課時教學過程Step 1　Lead-in Watch a video and pay attention to what they said. Then show the sentences about the present perfect tense in the video on the screen. 1. I’ve lived here since I was born.2. Have you ever moved house?3. …and we’ve lived in this area since then.4. Has the town changed a lot over the years?5. Now the government has turned part of the town centre into a new park.6. However, most of my old friends have moved away.7. It has become impossible for us to see each other as often as before.Ask: What can you find out? They are the sentences with “have/has+done”.Step 2　Presentation Ⅰ. More examples. Say: Can you find more sentences with“have/has+ done”in “Welcome to the unit”? Then give students one minute to find more sentences. I’ve just eaten it.You’ve changed too.You’ve eaten my food.Ⅱ. Analysis.1. We use the present perfect tense to talk about actions that started in the past and continue to the present. 表示從過去開始，一直持續(xù)到現(xiàn)在的動作。(1)常用的時間狀語有：①for+一段時間：如for three years, for a long time…I have known you for a long time. 我認識你很長時間了。②since+過去的時間點/動作：since last year, since I came here…I have not seen him since we met last week.自從我們上周見過面，我就沒有見過他。(2)“for+時間段”可與“since+時間點”轉(zhuǎn)換。Translate some sentences. ①我認識李雷三年了。I’ve known Li Lei for three years.=I’ve known Li Lei since three years ago.②我已經(jīng)學了10多年的英語。I have learned English for over ten years.2. We use the present perfect tense to talk about actions that happened in the past and have a connection with the present.表示過去發(fā)生或已完成的動作對現(xiàn)在造成的影響或結(jié)果。I have just opened the door.我剛剛開了門。     (The door is not closed now.)Jack has already finished his homework. 杰克已經(jīng)完成了他的家庭作業(yè)。     (Jack is free now.)Practice: Choose the correct answers.①Look at my bowl. Who _______ my dumplings? That’s too bad!A. ate   B. has eaten②Jack ________ home. Don’t worry.A. arrived  B. has just arrived③I ________ the key to the door, so I have to wait till Mum comes back.A. have lost  B. loseAnswers: BBA常用的時間狀語有：(1) already“已經(jīng)”，放在肯定句句中或句末；(2) yet放在疑問句句尾時，表示“已經(jīng)”；放在否定句句尾時，表示“還（沒，不）”；(3) ever“曾經(jīng)”，用于肯定句、疑問句或否定句中；(4) never“從來沒有”，表示否定意義；(5) just“剛剛”，用于陳述句中；(6) recently“近來”，可用于句首、句中或句末；Practice:Do some exercises to consolidate them. ①I have _________ come back from the supermarket.  (for, just, since)②I have _________ been to Chendu.  (for, never, yet )③He has worked there _________ he left school.  (already, just, since)④She has known Sam _________ nine years. (for, never, since)⑤Have you _________ ridden a horse?  (ever, for, yet)Answers: ① just　② never　③ since　④ for　⑤ ever3. We also use the present perfect tense to talk about how many times actions have happened till now. 現(xiàn)在完成時還可以談?wù)摰侥壳盀橹箘幼靼l(fā)生的次數(shù)。（常用的時間狀語有：never, twice, three times, many times等）Eddie and Millie have read Harry Potter many times. 埃迪和米莉讀過《哈利·波特》這本書許多次了。Millie has been to Disneyland twice. 米莉去過迪士尼樂園兩次了。 Step 3　Summary Give a summary of the basic structure of the present perfect tense.肯定句：主語 +have/has+p.p.否定句：主語+ have/has + not + p.p.一般疑問句：Have/Has +主語+ p.p.  (1) Nick忘了Judy的生日。（翻譯句子）   Nick has forgotten Judy’s birthday.(2) He has forgotten my birthday. （改為否定句）He has not forgotten my birthday.(3) Max has lived in this city all his life. （改為一般疑問句并作回答）—Has Max lived in this city all his life？—Yes, he has./ No, he hasn’t.Step 4　Lead-in1. Learn the rules the past participle of regular verbs.Most verbs+ edwash→washedVerbs ending in -e+ dlive→livedVerbs ending in a consonant + y-y + iedstudy→studiedShort verbs ending in a vowel+ a consonantdouble theconsonant + edstop→stopped 2. Learn the rules of irregular verbs. (1) Changing the letters.No changecome → come hurt → hurtChange the vowelhold → held win → wonChange the consonantlend → lent build → builtChange the vowel(s) and the consonant(s)catch → caught keep → keptforget → forgotten tell → toldOthersbe → been have → hadfall → fallen fly → flowndraw → drawn see → seen(2) Different spelling forms among original, p.t and p.p.Typeoriginalp.tp.pAAAcostcostcostABAcomecamecomerunranrunABBgetgotgotcatchcaughtcaughtABCseesawseenforgetforgotforgottendrinkdrankdrunkgrowgrewgrowneatateeatenTurn to Pages 122 ~ 123 for more changes of irregular verbs.Step 5　Practice1. Play a game. Give some words and ask the students to say the past participles as soon as possible. 2. Finish Part A on Page 14. Then check the answers. (1) borrow _______ (2) hope ___________ (3) make _________(4) get __________ (5) plan ____________ (6) cry___________(7) send_________ (8) watch___________ (9) say __________(10) grow________  (11) hit ____________ (12) enjoy________Answers: (1) borrowed　(2) hoped　(3) made　(4) got　(5) planned(6) cried　(7) sent　(8) watched　(9) said　(10) grown　(11) hit(12) enjoyedStep 6　Practice 1. Finish Part B on Page 14. Then check the answers.  (1) They __________(finish) their homework already.(2) John __________ never __________ (visit) China.(3) Mr Li ____________(repair) over ten bicycles since Monday.(4) We_____________ (not see) each other for years.(5) My parents ______________ (not come) back yet.(6) Our teacher ___________ (teach) us a lot about the history of China.Answers: (1) have finished　(2) has, visited　(3) has repaired　(4) haven’t seen　(5) haven’t seen　(6) has taught2. Finish Part C on Page 14. Then check the answers.  Millie: (1) ________ you ________ (see) any films recently, Sandy?Sandy: No, I haven’t. What about you?Millie: Well, I (2)________ (see) one last Saturday.Sandy: What is it about?Millie: It’s about the changes in Beijing over the past century. From this film, I (3) ___________(learn) more about Beijing’s past and present.Sandy: Oh, I think I (4)__________ (hear) about the film. Do you plan to see it again?Millie: Yes, I’d like to.Answers: (1) Have, seen　(2) saw　(3) have learnt　(4) have heardStep 7　Homework1. Review the summary on present perfect tense.2. Finish the exercises on the workbook.板書設(shè)計Unit 1　Past and presentGrammarNew words:yet recentlypastPhrases:over the past centuryearn more about