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高中英语人教版 (2019)必修 第二册Unit 3 The internet教学演示ppt课件
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这是一份高中英语人教版 (2019)必修 第二册Unit 3 The internet教学演示ppt课件，共35页。PPT课件主要包含了Verb form，Active，Passive，Has，been given，have taken，n 电池，vt 确认使确信，n 文件档案，machine等内容，欢迎下载使用。
T learn the present perfect passive viceT use the present perfect passive vice t d sme exercisesT read a pem and learn t write yur wn pem
现在完成时have/has dne + v-ed表示说话时已经完成的动作，而且这个动作的结果对现在仍有影响;表示动作发生在过去，但一直持续到现在，并且有可能继续持续下去。
D yu knw the structures and meanings f the present perfect tense and passive vice?
被动语态助动词be +vt.-edbe随主语的人称、数和时态的变化而变化。当强调动作承受者，不必说出执行者或含糊不清的执行者时，多用被动语态。
Read the pairs f sentences. Underline and cmpare the different verb frms.
Lk at the sentences, pay attentin t the red part.
Over time I have been changed a lt.The results f their experiments have already been published.The party has been planned since the new year.
The Present Perfect Passive Vice
have / has + been + v-ed
Hw d we frm the present perfect passive vice? Fill in the blank.
have /has + v-ed
1. The prblem has been discussed fr 2 days.2. Many new buildings have been built in the past few years.3. Tw nvels have been written by him s far. 4. The cmputer has been used every day since I bught it.5. The dirty clthes have already been cleaned.6. Great changes have taken place in my hmetwn in the past 10 years.
Find the present perfect passive structures.
现在完成时的被动语态意义及结构表示动作发生在过去, 到现在已经完成或对现在产生的影响。动词和被修饰主语构成被动关系。肯定式：have/has + been + v-ed否定式：have/has + nt + been + v-ed一般疑问句：Have/Has +主语+ been +v-ed?特殊疑问句：疑问词+have/has +been+ v-ed?
现在完成时的被动语态有两种情况：1) 表过去开始的被动动作一直持续到现在，常连用的时间状语有：fr+段时间，since +时间状语(从句)，these days, s far, up t nw, in the last/ past few years等。 如： This class have been taught by Mr. Brwn fr tw years. His Chinese has been imprved a lt since he came t China. Rwling’s nvels have been translated int many freign languages s far.
2) 表某被动动作对现在造成的影响或结果，常与already, yet, just, ever, never, recently等连用。如： The bike has nt been repaired yet. I have already been intrduced t Mr. Smith. 注意：有些动词没有被动语态, 如不及物动词happen, take place, break ut等。
1. Paper mney ____________ (use) fr ver a thusand years. 2. — _____ the letter __________ (give) t Mr. Black? — N. It’s still n the desk.3. Great changes ___________ (take) place in my hmetwn and a lt f factries ____________ (set) up.
has been used
have been set
Cmplete the sentences.
4. —Hw lng _____________________ (emply) at this jb? —Since 1999.5. When and where t g fr the n-salary hliday __________________ (nt, decide) yet.6. I like these English sngs and they ______________ (teach) many times n the radi.7. All the preparatins fr the task __________________ (cmplete), and we’re ready t start.
have been taught
have been cmpleted
has nt been decided
have yu been emplyed
Change the sentences int the present perfect passive vice.They’ve built a kind f new PC with mre functins.A kind f new PC has been built with mre functins.
n. 功能；作用vi. 起作用；运转
1. I have dwnladed the sftware t help my phne battery last lnger.2. Smene has lst an identity card.3. Have yu cnfirmed the Wi-Fi passwrd?
The sftware has been dwnladed t help my phne battery last lnger.
An identity card has been lst.
Has the Wi-Fi passwrd been cnfirmed?
4. Have yu pressed the buttn yet t cpy the file?5. Has anyne made a cmment abut the nline database?
Has the buttn been pressed yet t cpy the file?
Has a/any cmment been made abut the nline database?
Find ut the differences in meaning and functin between the active and passive frms.
In an active sentence, the subject is ding an actin t an bject; they are used ften as they are mre direct.In a passive sentence, the subject is having sth. dne t it, and the der f that actin is nt necessarily mentined. They are ften used when the der f an actin is unknwn, nt imprtant, r preferred nt named.
the buildings, destry, earthquake
The buildings have been destryed by the earthquake.
Lk at the pictures, first list sme key wrds, then make up sentences using the present perfect passive vice.
The machine has been replaced by the cmputer.
in ur city, a new bridge, build
A new bridge has been built in ur city.
recently,many trees,plant,alng the rad
Many trees have been planted alng the rad recently.
seven Harry Prter bks,J. K. Rwling, s far,write
Seven Harry Prter bks have been written by J. K. Rwling s far.
Underline the use f the present perfect passive vice in the fllwing pem. Then fill in the chart belw.
Lk at the way yur face has been washedLk at the way yur teeth have been brushedLk at the way yur shes have been cleanedYu’d better d them again.
Lk at the way the flwers have been plantedLk at the way the grass has been cutLk at the way the paths have been sweptI hpe that yu’ll cme here again.
the way the flwers have been planted
the way the grass has been cut
the way the paths have been swept
the way yur face has been washed
the way yur teeth has been brushed
the way yur shes have been cleaned
Read the pem again. Pay attentin t the rhythm and intnatin. Write a similar ne.Lk at the way yur face has been washedLk at the way yur teeth have been brushedLk at the way yur shes have been cleaned Yu’d better d them again.
Lk at the way __________________________Listen t the way _________________________Lk at the way __________________________________________________________________
the picture has been painted
the sng has been written
the film has been made
Nw think abut what yu culd create.
Lk at the way ___________________________Lk at the way ___________________________Lk at the way ____________________________________________________________________
the needy have been helped
the river has been cleaned
the tree has been planted
Nw think hw t make the wrld a better place.
Talk abut smething that has been dne.
I recently went back t my hmetwn that I haven’t been t fr a lng time.
A new shpping mall has been built. The rad system has been changed. The library has been mved.
Imagine yu are returning t a place yu haven’t visited fr a lng time. What has/have been dne t mdernize the place since yu last saw it?
现在完成时被动语态的解题步骤主语与动词构成被动关系。说话时已完成的动作或出现的结果。1. 圈主：动词的逻辑宾语用作句子的主语；2. 找时：找与现在完成相对应的时间状语；3. 定谓：确定谓动形式：have been + v-ed。
I. 用括号内动词的正确形式填空。1. The same mistake _____________ (make) many times.2. Mre than 100 famus films _________ _______ (shw) in the city since July.
has been made
3. Althugh it ______________ (play) many times, he still lves it. 4. Three new schls ________________ (pen) in ur city in the past 5 years.
has been played
have been pened
II. 用现在完成时的被动语态重组下列句子。a new hspital fr wmen and children, build, in Beijing2. mre and mre trees, cut dwn, by farmers
A new hspital fr wmen and children has been built in Beijing.
Mre and mre trees have been cut dwn by farmers.
3. abut 300 buildings and huses, destry, in the earthquake4. a lt f mney, spend, prtect the ld temple
Abut 300 buildings and huses have been destryed in the earthquake.
A lt f mney has been spent prtecting the ld temple.
Review grammar.Read the text n page 28 again and underline all sentences f the present perfect and present perfect passive vice.
T learn the present perfect passive viceT use the present perfect passive vice t d sme exercisesT read a pem and learn t write yur wn pem
现在完成时have/has dne + v-ed表示说话时已经完成的动作，而且这个动作的结果对现在仍有影响;表示动作发生在过去，但一直持续到现在，并且有可能继续持续下去。
D yu knw the structures and meanings f the present perfect tense and passive vice?
被动语态助动词be +vt.-edbe随主语的人称、数和时态的变化而变化。当强调动作承受者，不必说出执行者或含糊不清的执行者时，多用被动语态。
Read the pairs f sentences. Underline and cmpare the different verb frms.
Lk at the sentences, pay attentin t the red part.
Over time I have been changed a lt.The results f their experiments have already been published.The party has been planned since the new year.
The Present Perfect Passive Vice
have / has + been + v-ed
Hw d we frm the present perfect passive vice? Fill in the blank.
have /has + v-ed
1. The prblem has been discussed fr 2 days.2. Many new buildings have been built in the past few years.3. Tw nvels have been written by him s far. 4. The cmputer has been used every day since I bught it.5. The dirty clthes have already been cleaned.6. Great changes have taken place in my hmetwn in the past 10 years.
Find the present perfect passive structures.
现在完成时的被动语态意义及结构表示动作发生在过去, 到现在已经完成或对现在产生的影响。动词和被修饰主语构成被动关系。肯定式：have/has + been + v-ed否定式：have/has + nt + been + v-ed一般疑问句：Have/Has +主语+ been +v-ed?特殊疑问句：疑问词+have/has +been+ v-ed?
现在完成时的被动语态有两种情况：1) 表过去开始的被动动作一直持续到现在，常连用的时间状语有：fr+段时间，since +时间状语(从句)，these days, s far, up t nw, in the last/ past few years等。 如： This class have been taught by Mr. Brwn fr tw years. His Chinese has been imprved a lt since he came t China. Rwling’s nvels have been translated int many freign languages s far.
2) 表某被动动作对现在造成的影响或结果，常与already, yet, just, ever, never, recently等连用。如： The bike has nt been repaired yet. I have already been intrduced t Mr. Smith. 注意：有些动词没有被动语态, 如不及物动词happen, take place, break ut等。
1. Paper mney ____________ (use) fr ver a thusand years. 2. — _____ the letter __________ (give) t Mr. Black? — N. It’s still n the desk.3. Great changes ___________ (take) place in my hmetwn and a lt f factries ____________ (set) up.
has been used
have been set
Cmplete the sentences.
4. —Hw lng _____________________ (emply) at this jb? —Since 1999.5. When and where t g fr the n-salary hliday __________________ (nt, decide) yet.6. I like these English sngs and they ______________ (teach) many times n the radi.7. All the preparatins fr the task __________________ (cmplete), and we’re ready t start.
have been taught
have been cmpleted
has nt been decided
have yu been emplyed
Change the sentences int the present perfect passive vice.They’ve built a kind f new PC with mre functins.A kind f new PC has been built with mre functins.
n. 功能；作用vi. 起作用；运转
1. I have dwnladed the sftware t help my phne battery last lnger.2. Smene has lst an identity card.3. Have yu cnfirmed the Wi-Fi passwrd?
The sftware has been dwnladed t help my phne battery last lnger.
An identity card has been lst.
Has the Wi-Fi passwrd been cnfirmed?
4. Have yu pressed the buttn yet t cpy the file?5. Has anyne made a cmment abut the nline database?
Has the buttn been pressed yet t cpy the file?
Has a/any cmment been made abut the nline database?
Find ut the differences in meaning and functin between the active and passive frms.
In an active sentence, the subject is ding an actin t an bject; they are used ften as they are mre direct.In a passive sentence, the subject is having sth. dne t it, and the der f that actin is nt necessarily mentined. They are ften used when the der f an actin is unknwn, nt imprtant, r preferred nt named.
the buildings, destry, earthquake
The buildings have been destryed by the earthquake.
Lk at the pictures, first list sme key wrds, then make up sentences using the present perfect passive vice.
The machine has been replaced by the cmputer.
in ur city, a new bridge, build
A new bridge has been built in ur city.
recently,many trees,plant,alng the rad
Many trees have been planted alng the rad recently.
seven Harry Prter bks,J. K. Rwling, s far,write
Seven Harry Prter bks have been written by J. K. Rwling s far.
Underline the use f the present perfect passive vice in the fllwing pem. Then fill in the chart belw.
Lk at the way yur face has been washedLk at the way yur teeth have been brushedLk at the way yur shes have been cleanedYu’d better d them again.
Lk at the way the flwers have been plantedLk at the way the grass has been cutLk at the way the paths have been sweptI hpe that yu’ll cme here again.
the way the flwers have been planted
the way the grass has been cut
the way the paths have been swept
the way yur face has been washed
the way yur teeth has been brushed
the way yur shes have been cleaned
Read the pem again. Pay attentin t the rhythm and intnatin. Write a similar ne.Lk at the way yur face has been washedLk at the way yur teeth have been brushedLk at the way yur shes have been cleaned Yu’d better d them again.
Lk at the way __________________________Listen t the way _________________________Lk at the way __________________________________________________________________
the picture has been painted
the sng has been written
the film has been made
Nw think abut what yu culd create.
Lk at the way ___________________________Lk at the way ___________________________Lk at the way ____________________________________________________________________
the needy have been helped
the river has been cleaned
the tree has been planted
Nw think hw t make the wrld a better place.
Talk abut smething that has been dne.
I recently went back t my hmetwn that I haven’t been t fr a lng time.
A new shpping mall has been built. The rad system has been changed. The library has been mved.
Imagine yu are returning t a place yu haven’t visited fr a lng time. What has/have been dne t mdernize the place since yu last saw it?
现在完成时被动语态的解题步骤主语与动词构成被动关系。说话时已完成的动作或出现的结果。1. 圈主：动词的逻辑宾语用作句子的主语；2. 找时：找与现在完成相对应的时间状语；3. 定谓：确定谓动形式：have been + v-ed。
I. 用括号内动词的正确形式填空。1. The same mistake _____________ (make) many times.2. Mre than 100 famus films _________ _______ (shw) in the city since July.
has been made
3. Althugh it ______________ (play) many times, he still lves it. 4. Three new schls ________________ (pen) in ur city in the past 5 years.
has been played
have been pened
II. 用现在完成时的被动语态重组下列句子。a new hspital fr wmen and children, build, in Beijing2. mre and mre trees, cut dwn, by farmers
A new hspital fr wmen and children has been built in Beijing.
Mre and mre trees have been cut dwn by farmers.
3. abut 300 buildings and huses, destry, in the earthquake4. a lt f mney, spend, prtect the ld temple
Abut 300 buildings and huses have been destryed in the earthquake.
A lt f mney has been spent prtecting the ld temple.
Review grammar.Read the text n page 28 again and underline all sentences f the present perfect and present perfect passive vice.
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