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人教版 (2019)必修 第二册Unit 3 The internet课文课件ppt
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这是一份人教版 (2019)必修 第二册Unit 3 The internet课文课件ppt，共23页。PPT课件主要包含了Key words，Revision，动作的承受者，动作的执行者，Lead in，Verb form，Grammar，现在完成时的被动语态，肯定式，否定式等内容，欢迎下载使用。
n. 功能；作用；机能vi. 起作用；正常工作；运转n. 电池vt. 确认；使确信n. 无线保真（用无线电波而非网 线在计算机网络传输数据的系 统）vt. 按；压；敦促n. 按钮；纽扣n. 文件；文件夹；档案
functinbatterycnfirmWi-Fipressbuttnfile
过去的动作或状态持续到现在,对现在造成的影响,可能持续发生下去。
主语+助动词(have/has) +动词的过去分词(dne)
D yu knw the meaning and structure f the present perfect tense?
①am\is\are②d/des(V.\V.s)
am\is\are+dne(V. p.p)
D yu knw the meaning and structure f the passive vice?
Talk abut smething that has been dne
1 Read the pairs f sentences. Underline and cmpare the different verb frms.
have/has + been + V-ed
have/has + V-ed
Hw d we frm the present perfect passive vice? Fill in the blank.
have/ has + been + v-ed
presentatin
现在完成时的被动语态强调一个发生在过去的被动动作。表示动作已经完成，强调过去的动作对现在造成的影响或结果。主语为动作的承受者，与谓语动词之间是被动关系。
(1)The dr has been lcked.(2)The Temple f Zhang Fei has been rebuilt.(3)These flwers have been watered, and yu can g hme.(4)Our classrm has been cleaned, s yu needn't clean it nw.
(1) S even the live wreath (橄榄枝花环) has been replaced!(2) Over time I have been changed quite a lt.
主语 + have/ has + been + dne
主语 + have/ has + nt+been +dne
(1) An pinin is what smene believes is true but has nt been prved. (2) She hasn't been tld abut it yet.(3) My questin has nt been answered.
3.现在完成时被动语态的一般疑问句需将 __________ 提到主语的前面。
(1) Has his bike been repaired? (2) Have they been ntified abut it?
4.特殊疑问句：提问主语：提问其他：
疑问词 + have/has +been +v-ed?
(1) Wh has been invited? (2) Why has he been praised by his teacher?
疑问词 + 一般疑问句？
1.表示被动的动作在说话之前已经完成，强调过去的动作对现在造成的影响或产生的结果，通常与just, already, yet, befre, never, recently等副词连用。eg:The wrk has already been finished. 工作已经被完成了。eg:I gt caught in the rain and my suit has been ruined.我被雨淋湿了，我的衣服被毁了。
现在完成时的被动语态的用法
2.表示被动的动作成状态从过去某个时刻持续到现在，常与fr成since 引出的时间状语连用，或用于hw lng引出的句子中。eg:The machine has been repaired fr tw hurs.这台机器已经被修理了两个小时了。 eg:Financial prblems f the cmpany have been discussed fr nearly tw hurs. 公司的财务问题已经被讨论了将近两个小时。
3.用在时间或条件状语从句中，表示将来已完成的被动动作，即用现在完成时的被动语态代替将来完成时的被动语态。eg:She will leave fr the cinema as sn as the applicatin frm has been cmpleted.申请表一填好，她就去电影院。
常用的时间状语:already(已经), yet(已经),recently/ lately (最近), in the past (last) few years, in recent years, by nw, up till nw, up t nw, up t the present, since, s far, yet, fr +一段时间(例如: fr three weeks/mnths), in/during/ver the past/ last years，since+时间点。eg:Great changes have taken place in the past few years.eg:He has been ill fr a few weeks.
(1)We have built many huses in the past ten years. (2)We have given him the bk. (3) I have made her wrk hard. (4)He has thught f a way f ding it.
Many huses have been built by us in the past ten years.
He has been given the bk by us.
The bk has been given t him by us.
She has been made t wrk hard by me.
A way f ding it has been thught f by him.
[归纳]1.由(1)可知,只带有一个宾语的动词变为被动语态时，将原来的宾语变为被动句的主语。
2.由(2)可知,可跟双宾语的动词,如give, send, bring, take,teach, shw, sing, write, read, sell, buy, tell, pay, lend, pass,prmise等,变为被动语态时,可将其中一个宾语变为主语,另一个保留。把直接宾语变为被动句的主语时, 间接宾语前通常需加介词。
3.由(3)可知,带有复合宾语的动词变为被动语态时,要将原来的宾语变为被动句的主、语, 原来的宾语补足语改为主语补足语。原来省略t的不定式作宾语补足语的, 在被动语态中要还原t。
4.由(4)可知, 动词短语是一个不可分割的整体, 在被动语态中要保持其完整性, 不可省略动词短语中的介词或副词。
现在完成时的被动语态的用法辨析
brrw, begin, start, buy, marry,pen, jin等非延续性动词的现在完成时的被动语态不能与表示一段时间的状语连用。若要表达相应的意思，需要改变动词或时态。
这支钢笔借了一周了。The pen has been brrwed fr a week. (x)The pen has been kept fr a week. (√) 这个工程已经开始多久了?Hw lng has this prject been started? (x)Hw lng ag was this prject started? (√)
非延续性动词的否定式可表示动作的持续过程，具有持续性，因而可与since或fr引出的时间状语连用。
EXAMPLE They've built a kind f new PC with mre functins. → A kind f new PC has been built with mre functins.
2 Change the sentences int the present perfect passive vice.
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?
As we can see in the pairs f sentences, the bject in an active sentence becmes the subject in a passive sentence. Bth sentence types cnvey a similar meaning, but they are slightly different.
Find ut the differences in meaning and functin between the active and passive frms.
②If the subject is the perfrmer f the actin, use the active vice; If the subject is the receiver f the actin, use the passive vice.
The active vice :Mary is making a dll.The passive vice:A dll is being made by Mary.
①The active vice indicates that the subject is the executr(执行者) f the actin, while the passive vice indicates that the subject is the receiver f the actin.
③In an active sentence,the subject is ding an actin t an bject, while in a passive sentence, the subject is having smething dne t it, and the der f that actin is nt necessarily mentined, Active sentences are used ften, as they are mre direct. Passive sentences are ften used when the der f an actin is unknwn, nt imprtant, r preferred nt named.
④In Chinese, passive verbs such as "be", "receive" and "give" are ften used t express passive meaning. The passive vice cnsists f "be verb + past participle f transitive verb".
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 swept1 hpe that yu'll cme here again.
3 Read the pem. Underline the use f the present perfect passive vice in the fllwing pem.
Lk at the way the picture has been paintedListen t the way the sng has been writtenLk at the way the film has been madeNw think abut what yu culd create.Lk at the way the needy have been helpedLk at the way the river has been cleanedLk at the way the tree has been plantedNw think hw t make the wrld a better place.
Think f yur wn situatin and write a similar pem.
一、概念；二、句型：肯定句：主语+have/has+been+v-ed+其他.否定句：主语+have/has+nt+been + v-ed+其他.一般疑问句: Have/Has+主语+ been+v-ed+其他？特殊疑问句: 提问主语：疑问词 + have/has+been+v-ed+其他？ 提问其他：疑问词 + 一般疑问句？三、用法：1. 动作或状态始于过去，持续到现在，并可能持续下去。2. 用在时间和条件状语从句中，表示将来某时已完成的动作。四、其他注意事项。
1. Review the key wrds in this lessn.2. Review grammar.3. Finish the exercise bk.
n. 功能；作用；机能vi. 起作用；正常工作；运转n. 电池vt. 确认；使确信n. 无线保真（用无线电波而非网 线在计算机网络传输数据的系 统）vt. 按；压；敦促n. 按钮；纽扣n. 文件；文件夹；档案
functinbatterycnfirmWi-Fipressbuttnfile
过去的动作或状态持续到现在,对现在造成的影响,可能持续发生下去。
主语+助动词(have/has) +动词的过去分词(dne)
D yu knw the meaning and structure f the present perfect tense?
①am\is\are②d/des(V.\V.s)
am\is\are+dne(V. p.p)
D yu knw the meaning and structure f the passive vice?
Talk abut smething that has been dne
1 Read the pairs f sentences. Underline and cmpare the different verb frms.
have/has + been + V-ed
have/has + V-ed
Hw d we frm the present perfect passive vice? Fill in the blank.
have/ has + been + v-ed
presentatin
现在完成时的被动语态强调一个发生在过去的被动动作。表示动作已经完成，强调过去的动作对现在造成的影响或结果。主语为动作的承受者，与谓语动词之间是被动关系。
(1)The dr has been lcked.(2)The Temple f Zhang Fei has been rebuilt.(3)These flwers have been watered, and yu can g hme.(4)Our classrm has been cleaned, s yu needn't clean it nw.
(1) S even the live wreath (橄榄枝花环) has been replaced!(2) Over time I have been changed quite a lt.
主语 + have/ has + been + dne
主语 + have/ has + nt+been +dne
(1) An pinin is what smene believes is true but has nt been prved. (2) She hasn't been tld abut it yet.(3) My questin has nt been answered.
3.现在完成时被动语态的一般疑问句需将 __________ 提到主语的前面。
(1) Has his bike been repaired? (2) Have they been ntified abut it?
4.特殊疑问句：提问主语：提问其他：
疑问词 + have/has +been +v-ed?
(1) Wh has been invited? (2) Why has he been praised by his teacher?
疑问词 + 一般疑问句？
1.表示被动的动作在说话之前已经完成，强调过去的动作对现在造成的影响或产生的结果，通常与just, already, yet, befre, never, recently等副词连用。eg:The wrk has already been finished. 工作已经被完成了。eg:I gt caught in the rain and my suit has been ruined.我被雨淋湿了，我的衣服被毁了。
现在完成时的被动语态的用法
2.表示被动的动作成状态从过去某个时刻持续到现在，常与fr成since 引出的时间状语连用，或用于hw lng引出的句子中。eg:The machine has been repaired fr tw hurs.这台机器已经被修理了两个小时了。 eg:Financial prblems f the cmpany have been discussed fr nearly tw hurs. 公司的财务问题已经被讨论了将近两个小时。
3.用在时间或条件状语从句中，表示将来已完成的被动动作，即用现在完成时的被动语态代替将来完成时的被动语态。eg:She will leave fr the cinema as sn as the applicatin frm has been cmpleted.申请表一填好，她就去电影院。
常用的时间状语:already(已经), yet(已经),recently/ lately (最近), in the past (last) few years, in recent years, by nw, up till nw, up t nw, up t the present, since, s far, yet, fr +一段时间(例如: fr three weeks/mnths), in/during/ver the past/ last years，since+时间点。eg:Great changes have taken place in the past few years.eg:He has been ill fr a few weeks.
(1)We have built many huses in the past ten years. (2)We have given him the bk. (3) I have made her wrk hard. (4)He has thught f a way f ding it.
Many huses have been built by us in the past ten years.
He has been given the bk by us.
The bk has been given t him by us.
She has been made t wrk hard by me.
A way f ding it has been thught f by him.
[归纳]1.由(1)可知,只带有一个宾语的动词变为被动语态时，将原来的宾语变为被动句的主语。
2.由(2)可知,可跟双宾语的动词,如give, send, bring, take,teach, shw, sing, write, read, sell, buy, tell, pay, lend, pass,prmise等,变为被动语态时,可将其中一个宾语变为主语,另一个保留。把直接宾语变为被动句的主语时, 间接宾语前通常需加介词。
3.由(3)可知,带有复合宾语的动词变为被动语态时,要将原来的宾语变为被动句的主、语, 原来的宾语补足语改为主语补足语。原来省略t的不定式作宾语补足语的, 在被动语态中要还原t。
4.由(4)可知, 动词短语是一个不可分割的整体, 在被动语态中要保持其完整性, 不可省略动词短语中的介词或副词。
现在完成时的被动语态的用法辨析
brrw, begin, start, buy, marry,pen, jin等非延续性动词的现在完成时的被动语态不能与表示一段时间的状语连用。若要表达相应的意思，需要改变动词或时态。
这支钢笔借了一周了。The pen has been brrwed fr a week. (x)The pen has been kept fr a week. (√) 这个工程已经开始多久了?Hw lng has this prject been started? (x)Hw lng ag was this prject started? (√)
非延续性动词的否定式可表示动作的持续过程，具有持续性，因而可与since或fr引出的时间状语连用。
EXAMPLE They've built a kind f new PC with mre functins. → A kind f new PC has been built with mre functins.
2 Change the sentences int the present perfect passive vice.
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?
As we can see in the pairs f sentences, the bject in an active sentence becmes the subject in a passive sentence. Bth sentence types cnvey a similar meaning, but they are slightly different.
Find ut the differences in meaning and functin between the active and passive frms.
②If the subject is the perfrmer f the actin, use the active vice; If the subject is the receiver f the actin, use the passive vice.
The active vice :Mary is making a dll.The passive vice:A dll is being made by Mary.
①The active vice indicates that the subject is the executr(执行者) f the actin, while the passive vice indicates that the subject is the receiver f the actin.
③In an active sentence,the subject is ding an actin t an bject, while in a passive sentence, the subject is having smething dne t it, and the der f that actin is nt necessarily mentined, Active sentences are used ften, as they are mre direct. Passive sentences are ften used when the der f an actin is unknwn, nt imprtant, r preferred nt named.
④In Chinese, passive verbs such as "be", "receive" and "give" are ften used t express passive meaning. The passive vice cnsists f "be verb + past participle f transitive verb".
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 swept1 hpe that yu'll cme here again.
3 Read the pem. Underline the use f the present perfect passive vice in the fllwing pem.
Lk at the way the picture has been paintedListen t the way the sng has been writtenLk at the way the film has been madeNw think abut what yu culd create.Lk at the way the needy have been helpedLk at the way the river has been cleanedLk at the way the tree has been plantedNw think hw t make the wrld a better place.
Think f yur wn situatin and write a similar pem.
一、概念；二、句型：肯定句：主语+have/has+been+v-ed+其他.否定句：主语+have/has+nt+been + v-ed+其他.一般疑问句: Have/Has+主语+ been+v-ed+其他？特殊疑问句: 提问主语：疑问词 + have/has+been+v-ed+其他？ 提问其他：疑问词 + 一般疑问句？三、用法：1. 动作或状态始于过去，持续到现在，并可能持续下去。2. 用在时间和条件状语从句中，表示将来某时已完成的动作。四、其他注意事项。
1. Review the key wrds in this lessn.2. Review grammar.3. Finish the exercise bk.
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