初中现在完成时讲解PPT学习教案

1、会计学1初中现在完成时讲解初中现在完成时讲解第1页/共19页第2页/共19页第3页/共19页第4页/共19页第5页/共19页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页/共19页I have not (havent) seen the film. She has not (hasnt) seen the film.现在完成时的现在完成时的否定否定形式：形式：have not (havent) +过去分词过去分词 has not

2、(hasnt) +过去分词过去分词 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页/共19页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把下列句子改为否定句把下列句子改为否定句第8页/共19页Have you eaten your breakfast?现在完成时的一般疑问句形式现在完成时的一般疑问句形式Have/has 提前提前+过去分词过去分词 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疑问句疑问句第9页/共19页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?把下列句子改为一般疑问句把下列句子改为一般疑问句第10页/共19页分清与一般过去时的用法分清与一般过去时的用法现在完成时属于现在时态的范围，现在完成时属于现在时态的范围，不能不能和表示过去和表示过去的时间状语连用，如的时间状语连用，如yesterday,last night,three yesterday,last night,three weeks ago,in1990weeks ago,in1990等等. .而一般过去时只表示过去的动而一般过去时只表示过去的动作或状态，和现在不发生关系。作或状态，和现在不发生关系。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页/共19页nYou cant find him. He has gone to Xian.你找不到他。他去西安了。（没你找不到他。他去西安了。（没回

7、来）回来）第12页/共19页动词填空：动词填空：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页/共19页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页/共19页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?对划线部分提问对划线部分提问第15页/共19页（for+for+表示一段时间的词组，表示一段时间的词组，since+since+表示过去某一时刻的词或表示过去某一时刻的词或词组）词组）谓语只可用延续性动词谓语只可用延续性动词. .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)选用选用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