初中現(xiàn)在完成時(shí)講解PPT學(xué)習(xí)教案

1、會(huì)計(jì)學(xué)1初中現(xiàn)在完成時(shí)講解初中現(xiàn)在完成時(shí)講解第1頁/共19頁第2頁/共19頁第3頁/共19頁第4頁/共19頁第5頁/共19頁I have eaten my lunch.She has eaten her lunch.He has eaten his lunch.肯定句肯定句They have eaten their lunch.第6頁/共19頁I have not (havent) seen the film. She has not (hasnt) seen the film.現(xiàn)在完成時(shí)的現(xiàn)在完成時(shí)的否定否定形式：形式：have not (havent) +過去分詞過去分詞 has not

2、(hasnt) +過去分詞過去分詞 I havent eaten supper. eat-eatenHe hasnt changed his idea. change-changedMy mother hasnt come back home. come-come否定句否定句第7頁/共19頁1.Ive already had dinner. I _ _ dinner _.2. He has just finished his homework. He _ _ his homework _.3. Mums cooked the dinner. Mum _ _ the dinner.4. Susa

3、ns learned English at school. Susan _ _ English at school.haventhadyethasnt finishedyethasnt cookedhasnt learned把下列句子改為否定句把下列句子改為否定句第8頁/共19頁Have you eaten your breakfast?現(xiàn)在完成時(shí)的一般疑問句形式現(xiàn)在完成時(shí)的一般疑問句形式Have/has 提前提前+過去分詞過去分詞 Have you known Sandy for a long time?Yes, I have/ No, I havent. know-knownHas she

4、 eaten anything since 9:00 a.m.Yes, she has/ No, she hasnt. eat-eaten疑問句疑問句第9頁/共19頁1.Ive already had dinner. 2. He has just finished his homework. 3. Mums cooked the dinner.4. Susans learned English at school.Have you already had dinner?Has he just finished his homework?Has mum cooked the dinner? Ha

5、s Susan learned English at school?把下列句子改為一般疑問句把下列句子改為一般疑問句第10頁/共19頁分清與一般過去時(shí)的用法分清與一般過去時(shí)的用法現(xiàn)在完成時(shí)屬于現(xiàn)在時(shí)態(tài)的范圍，現(xiàn)在完成時(shí)屬于現(xiàn)在時(shí)態(tài)的范圍，不能不能和表示過去和表示過去的時(shí)間狀語連用，如的時(shí)間狀語連用，如yesterday,last night,three yesterday,last night,three weeks ago,in1990weeks ago,in1990等等. .而一般過去時(shí)只表示過去的動(dòng)而一般過去時(shí)只表示過去的動(dòng)作或狀態(tài)，和現(xiàn)在不發(fā)生關(guān)系。作或狀態(tài)，和現(xiàn)在不發(fā)生關(guān)系。eg-

6、I have seen the film.eg- I have seen the film.eg- I saw the film last week.eg- I saw the film last week.eg- He has lived here since 1993.eg- He has lived here since 1993.eg- He lived here in 1993.eg- He lived here in 1993.第11頁/共19頁nYou cant find him. He has gone to Xian.你找不到他。他去西安了。（沒你找不到他。他去西安了。（沒回

7、來）回來）第12頁/共19頁動(dòng)詞填空：動(dòng)詞填空：1._ you _(clean) the room?1._ you _(clean) the room? Yes, we_(do) that already. Yes, we_(do) that already. When _ you _(do) it? When _ you _(do) it? We _(do) it an hour ago. We _(do) it an hour ago.2._ he _(see) this film yet? Yes.2._ he _(see) this film yet? Yes. When _ he _

8、(see) it? When _ he _(see) it? He _ it last week. He _ it last week. 3. How many times _you_(come) here? 3. How many times _you_(come) here? Once. Once.HaveHavecleanedcleanedhave donehave donediddiddododiddidHasHasseenseendiddidseeseesawsawhavehavecomecome第13頁/共19頁4. I _ (read) the novel twice. Its

9、interesting.4. I _ (read) the novel twice. Its interesting.5. She _(go) to Pairs, hasnt she? Yes.5. She _(go) to Pairs, hasnt she? Yes. How _ she _(go) there? How _ she _(go) there? She _(go) there by air. She _(go) there by air.6. So far, many countries 6. So far, many countries _(develop) _(develo

10、p) their software programs. their software programs.7.Mr Chen _(give)up smoking last year.7.Mr Chen _(give)up smoking last year.8._ you ever _(ride) a horse? Never.8._ you ever _(ride) a horse? Never.9.He _( keep) the book since two days ago.9.He _( keep) the book since two days ago.have readhave re

11、adhas gonehas gonediddidgogowentwenthave developedhave developedgavegaveHaveHaveriddenriddenhas kepthas kept第14頁/共19頁1.Ive already had dinner. 2. He has just finished his homework. 3. Mums cooked the dinner.4. Susans learned English at school. What have you already done?What has he just done?Who has

12、 cooked the dinner?Where has Susan learned English?對(duì)劃線部分提問對(duì)劃線部分提問第15頁/共19頁（for+for+表示一段時(shí)間的詞組，表示一段時(shí)間的詞組，since+since+表示過去某一時(shí)刻的詞或表示過去某一時(shí)刻的詞或詞組）詞組）謂語只可用延續(xù)性動(dòng)詞謂語只可用延續(xù)性動(dòng)詞. .eg.- Ive lived here for eg.- Ive lived here for 15 years15 years. .eg.- Ive lived here since eg.- Ive lived here since 15 years ago15

13、years ago(1990)(1990)選用選用forfor和和sincesince填空填空: :1.We havent seen each other _ a long time.1.We havent seen each other _ a long time.2.His father has been in the factory _ 10 years 2.His father has been in the factory _ 10 years ago.ago.3.The film has been on _ 20 minutes.3.The film has been on _ 20 minutes.4.Mr Green has worked here _ he came to China.4.Mr Green has worked here _ he came to China.5.His grandparents have been dead _ several 5.His grandparents have be