2014新版外研版八年级下册M2_U1.ppt

Unit 1 Ive also entered lots ofspeaking competitions我也我也已经参加过已经参加过很多次演讲比赛了。很多次演讲比赛了。 2experiencea wonderful experience 一次绝妙的一次绝妙的经历经历some experience in learining English 一些学一些学习英语的习英语的经验经验some wonderful experiences 几次绝妙的几次绝妙的经历经历a competitionenter 参加竞赛参加竞赛Talk about experiencesI have ever entered a speaking competition.我我曾经曾经参加过演讲比赛。参加过演讲比赛。 competition 比赛比赛 a speaking competition 一次演讲比赛一次演讲比赛Have you ever entered a speaking competition? 你你曾经曾经参加过演讲比赛吗？参加过演讲比赛吗？Yes, I have. No, I havent. play footballI have ever played football.我我曾经曾经踢过足球。踢过足球。Have you ever played football? 你你曾经曾经踢过足球吗？踢过足球吗？Yes, I have. No, I havent. I have ever played basketball.我我曾经曾经打过蓝球。打过蓝球。Have you ever played basketball? 你你曾经曾经打过蓝球吗？打过蓝球吗？Yes, I have. No, I havent. I have ever travelled to Beihai Silver Beach.我曾经去过北海银滩旅游。我曾经去过北海银滩旅游。Beihai Silver BeachHave you ever travelled to Beihai Silver 你你曾经曾经去过北海银滩旅游吗？去过北海银滩旅游吗？Yes, I have. No, I havent. the Great WallI havent visited the Great Wall. (否定句否定句)我没有去过长城旅游。我没有去过长城旅游。Have you ever visited the Great Wall? 你你曾经曾经去过长城旅游吗？去过长城旅游吗？Yes, I have. No, I havent. I have ever been to Guangzhou.我曾经去过广州。我曾经去过广州。Have you ever been to Guangzhou? 你你曾经曾经去过广州吗？去过广州吗？Yes, I have. No, I havent. I have ever eaten KFC food.我曾经吃过肯德基食品。我曾经吃过肯德基食品。Have you ever eaten KFC food? 你你曾经曾经吃过肯德基食品吗？吃过肯德基食品吗？Yes, I have. No, I havent. present(now)futurepast 现在完成时现在完成时态态( present perfect tense) I am visiting the Great Wall now.I will visit the Great Wall tomorrow.I visited the Great Wall yesterday.I have ever visited the Great Wall. visit不同的时间时间要使用不同的动词时态动词时态现在完成时现在完成时(P103)肯定形式：肯定形式：主语主语(sb.) +has / have + v.过去分词过去分词(done) .否定形式否定形式:主语主语(sb.) +has / have + not + v.过去分词过去分词(done).构成方式构成方式 (have/has+done)疑问形式：疑问形式： Has / have +主语主语+ v.过去分词过去分词(done)？用法：用法：1.表示表示以前某个时间以前某个时间已经发生的行为已经发生的行为或或曾经做过曾经做过的事情的事情对现在有某种影响对现在有某种影响。 I have already seen the film.我我已经已经看过这部电影了。看过这部电影了。 I have ever travelled to Nanning Science Museum. I have just had lunch. 我我刚刚刚刚吃过午餐。吃过午餐。 2.表示到目前为止表示到目前为止已经完成已经完成的事情。的事情。My uncle has travelled around the world.我叔叔已经周游了世界。我叔叔已经周游了世界。 do - did - done 过过去分词去分词的构成分为规则变化和不规则变化两种： 规则变化规则变化: a)一般一般情况下，在动词后情况下，在动词后直接加直接加ed, 如如 play-played，work-worked， visit- visited water-watered, finish-finished等等;b)以以“辅音字母辅音字母+ y”结尾的动词结尾的动词, 把把y 变成变成i 再加再加ed, carry-carried study-studied等等;c)以一个辅音字母结尾的以一个辅音字母结尾的重读闭音节重读闭音节的动词要的动词要双写双写最后最后一个辅音字母，一个辅音字母，再加再加ed 如如: stop-stopped， shop-shopped等。等。不不规则变化规则变化：见：见不规则动词表不规则动词表 点击点击不规则动词表不规则动词表 1. I have _ (watch) the football match.2. Have you ever _(play) the piano?3. - Have you _(finish) your homework? - Yes, I have.4. - Has she ever _(travel) around the world? - No, she hasnt.5. My father has ever _(visit) the Great Wall.6. The English teacher has _(work) here for 12 years.7. We have _ (study) English for one and a half years.8. They have just _ (shop) many things on the Internet.动词过去分词done的变化规则2. 不规则动词的过去分词形式需要特殊记忆。如： am/is - was/ were - been drink- drank- drunk 详见课本P126-P129不规则动词表Infinitive(原原形形) Past Tense(过去式过去式) Past Participle(过去分词过去分词) （一）（一）ABC 型型: be(am,is,are) was / were beenbeginbeganbegunbitebitbitten / bitbreakbrokebrokenchoosechosechosendodiddone（一）（一）ABC 型型: drawdrewdrawn drinkdrankdrunk drivedrovedriven eatateeaten fall fellfallen flyflewflown forgetforgotforgotten getgotgotten / got （一）（一）ABC 型型: givegavegiven gowentgone growgrewgrown hidehidhidden knowknewknown lielaylain rideroderidden（一）（一）ABC 型型: ringrang rung riseroserisen seesawseen shakeshookshaken singsangsung speakspokespoken steal(偷偷) stolestolen（一）（一）ABC 型型: swim swamswum take tooktaken throw threwthrown wake woke woken wear woreworn write wrote written（二）（二） ABB型型: bringbroughtbrought buildbuiltbuilt buyboughtbought catchcaughtcaught dig(挖坑挖坑) dugdug feelfeltfelt fightfoughtfought（二）（二）ABB型型: findfoundfound have/ has had had hearheard heard holdheldheld keepkeptkept leadledled leaveleftleft learnlearned / learntlearned / learnt（二）（二）ABB型型: loselostlost meanmeantmeant meetmetmet paypaidpaid readreadread saysaidsaid sellsoldsold sendsentsent （二）二）ABB型型: sit satsat sleep sleptslept smell smelt/smelled smelt/smelled spell spelt/spelledspelt/spelled spend spentspent（二）（二）ABB型型: standstoodstood sweepsweptswept teachtaughttaught telltoldtold thinkthought thought understandunderstood understood win wonwon（三）（三）AAB型型: beat beatbeaten（四）（四）ABA型型: becomebecamebecome comecamecome runranrun（五）（五）AAA型型: costcostcost（五）（五）AAA型型: cut cutcut hit hithit hurthurthurt letletlet putputput readreadread setsetset shutshutshut 练习1： 写出下列动词的过去分词：写出下列动词的过去分词：put-hear-come-make-hurry-watch-swim-be-talk-want-study-stop- take-see-like- Mother: John, clean your teeth please.John: Mum, I them. study for English test - for it tell me the truth - you everything visit your grandpa - him Mother: John, clean your teeth, please. John: Mum, I have cleaned them.have studiedhave toldhave visited练习练习2：现在完成时肯定句现在完成时肯定句Father: Tell your sister to buy some milk, John.John: Oh, she some. Father: Tell your sister to buy some milk, John. John: Oh, she has just bought some. make some coffee - some call Mr. Smith - him dry her hair - hershas madehas calledhas driedA: Have you ever visited Beijing ? travelled by plane?entered a competition?played football?B: Yes, I have. I have visited Beijing. No, I havent. I havent visited Beijing.A: Has she/he visited/played/C: Yes, she/he has. She/He has visited/ No, she/he hasnt. She /He hasnt visited练习练习3：现在完成时疑问句及否定句：现在完成时疑问句及否定句总结：现在完成时肯定句构成： 主语+have / has +过去分词否定句构成： 主语+have / has +not +过去分词一般疑问句： Have / Has +主语+过去分词？回答： Yes, 主语 have. / No, 主语 havent. Yes, 主语 has. / No, 主语 hasnt.Practice1、I _ ever _ _ visit Guilin . 我曾经想去桂林旅游。我曾经想去桂林旅游。2、_ _ todays football match . 他们已经看了今天的足球比赛。他们已经看了今天的足球比赛。3、He _ _ the modern life . 他很享受现代的生活。他很享受现代的生活。havewantedtoTheyvewatchedhasenjoyedPractice1、I _ _ any _ . 我没有进过任何的酒店。我没有进过任何的酒店。2、He _ _ _ the blackboard today . 他今天上课没看过黑板。他今天上课没看过黑板。3、They _ _ _the city . 她们从来没来过城市旅游。她们从来没来过城市旅游。havent enteredhotelshasnt lookedatneverhavevisitedPractice4、_ you _ _ Kang Youweis house ? 你曾经参观过康有为故居吗？你曾经参观过康有为故居吗？5、_ he _ _ this film ? 他曾经看过这部电影吗？他曾经看过这部电影吗？6、_ they _ _ writing competition ? 他们曾经参加过任何的写作比赛吗？他们曾经参加过任何的写作比赛吗？HaveevervisitedHaswatchedeverHaveeverentered7. 你想和我们再吃点东西吗？ 不，谢谢。我刚刚才吃过午餐。 - Would you like to eat some food with us? - No, thanks. I _ just _ lunch.8. 我已经写完我的作业了。 I _ already _ doing my homework.9. 她从来没有去过长城旅游。 She _ never _ to the Great Wall.表示自己曾经的经历，不管是表示自己曾经的经历，不管是ever, already, just还是还是never, 都必须放在都必须放在have 与与过去分词过去分词的的中间中间。have had have finishedhas travelledTalking-Have you ever visited.?-Yes,I have./ No, I havent. Ive.Talking about your experience.1.ever 曾经（常用于现在完成时中 Have you ever done.?） 2.enter 参加参加 ( join / take part in )petition 竞争竞争(enter/win a competition)4.prize 奖品奖品first prize 一等奖一等奖 (win the first prize)5.dream梦梦(n.) my dream; my dream holiday/job (v.) dream of/about.6.afford 买得起买得起 (cant) afford to do sth.7.write down 编写编写 写作写作 写下写下 记下记下8.make up 编写编写 创作创作 (make it up)9.invite 邀请邀请 invite sb to +sp.地点地点 invite sb. to do sth.new words