八年级下册外研版英语Module2 现在完成时.ppt

1、Module,2,Experiences,present(now),future,past,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.,不同的时间要使用不同的动词时态,visit,现在完成时(P103),用法：1.表示以前某个时间已经发生的行为或 曾经做过的事情对现在有某种影响。 I have already seen the film.我已经看过这部电

2、影了。 I have ever travelled to Nanning Science Museum. I have just had lunch. 我刚刚吃过午餐。 2.表示到目前为止已经完成的事情。 My uncle has travelled around the world.我叔叔已经周游了世界。,肯定形式：主语(sb.) +has / have + v.过去分词(done) .,1、我已经踢过足球了。 2、他们已经听过音乐了。 3、Mr. Peng已经离开北京了。 4、Lucy已经读过英语书了。 5、他已经写完家庭作业了。,I have played football.,They

3、have listened to music.,Mr. Peng has left Beijing.,Lucy has read English book.,He has done homework.,否定形式:主语(sb.) +has / have + not + v.过去分词(done).,1、I havent played football. 2、They havent listened to music. 3、Mr. Peng hasnt left Beijing. 4、Lucy hasnt read English book. 5、He hasnt done homework.,疑问

4、形式： Has / have +主语+ v.过去分词(done)？,1、Have you played football? Yes, I have./ No, I havent. 2、Have they listened to music？ Yes, they have./ No, they havent. 3、Has Mr. Peng left Beijing? Yes, he has./ No, he hasnt. 4、Has Lucy read English book? Yes, she has./ No, she hasnt. 5、Has he done homework? Yes,

5、 he has./ No, he hasnt.,过去分词的构成分为规则变化和不规则变化两种：,规则变化: 一般情况下，在动词后直接加ed, 如 play-played，work-worked， visit- visited water-watered, finish-finished等; 以“辅音字母+ y”结尾的动词, 把y 变成i 再加ed, carry-carried study-studied等; 以一个辅音字母结尾的重读闭音节的动词要双写最后一个辅音字母，再加ed 如: stop-stopped， shop-shopped等。,不规则变化：见不规则动词表 点击不规则动词表,I hav

6、e _ (watch) the football match. Have you ever _(play) the piano? - Have you _(finish) your homework? - Yes, I have. - Has she ever _(travel) around the world? - No, she hasnt. My father has ever _(visit) the Great Wall. The English teacher has _(work) here for 12 years. We have _ (study) English for

7、 one and a half years. They have just _ (shop) many things on the Internet.,watched,played,finished,travelled,visited,worked,studied,shopped,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(原形) Past Tense(过去式) Past Participle(过去分词)

8、 （一）ABC 型: be(am,is,are) was / were been beginbeganbegun bitebitbitten / bit breakbrokebroken choosechosechosen dodiddone,（二） ABB型: bringbroughtbrought buildbuiltbuilt buyboughtbought catchcaughtcaught dig(挖坑) dugdug feelfeltfelt fightfoughtfought,（三）AAB型: beat beatbeaten （四）ABA型: becomebecamebecome

9、 comecamecome runranrun （五）AAA型: costcostcost,（五）AAA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： put-hear-come- make-hurry-watch- swim-be-talk- want-study-stop- take-see-like-,Mother: John, clean your teeth please.,John: Mum, I have

10、cleaned 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 studied,have told,have visited,练习2：现在完成时肯定句,Father: Tell your sister to buy some milk, John.,John: Oh, she has just(刚

11、刚) bought 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 - hers,has made,has called,has dried,Practice,1、I _ _ any _ . 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。,3、They _ _ _the city

12、. 她们从来没来过城市旅游。,havent,entered,hotels,hasnt,looked,at,never,have,visited,Practice,4、_ you _ _ Kang Youweis house ? 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？,6、_ they _ _ writing competition ? 他们曾经参加过任何的写作比赛吗？,Have,ever,visited,Has,watched,ever,Have,ever,entered,7. 你想和我们再吃点东西吗？ 不，谢谢。我刚刚才吃过午餐。 -

13、 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. 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ever, already, just 还是never, 都必须放在have 与过去分词的中间。,have had,have finished,has travelled,A: Have you ever,visited Beijing

14、?,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3：现在完成时疑问句及否定句,Practice,1、I _ ever _ _ visit Guilin . 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。,have,wanted,to,Theyve,watched,1.ever 曾经（常用于现在完成时中 Have you ever done.?） 2.enter 参加 ( join / take part in ) petition 竞争(enter/win a competition) 4.prize 奖品 first prize 一等奖 (win the f