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人教版 (2019)必修 第二册Unit 3 The internet教案设计
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这是一份人教版 (2019)必修 第二册Unit 3 The internet教案设计，共5页。
This unit is abut the Internet, which has a great influence t ur humans and ur lives. During the Listening & Speaking & Talking and Reading and Thinking sectin, the influence in examples has been shwn. Thus, use the Present Perfect Tense is apprpriate. Hwever, in rder t shw the justice r weaken the der f the behavir/actin, it’s better t use the Present Perfect Passive Vice than the Present Perfect Tense. Besides, having learned t use the Present Perfect Passive Vice, students can beautify their language in their writing.
Learn the structure f the Present Perfect Passive Vice and its functins.
Learn t change the sentences with the Present Perfect Passive Vice int the sentences with the Present Perfect Passive Vice.
Learn t write sentences with the Present Perfect Passive Vice flexibly accrding t the cntext.
Learn the structure f the Present Perfect Passive Vice and its functins.
Learn t change the sentences with the Present Perfect Passive Vice int the sentences with the Present Perfect Passive Vice.
Learn t write sentences with the Present Perfect Passive Vice flexibly accrding t the cntext.
Step 1 Observe the fllwing sentences, then change the sentences int passive vice.
Jan’s life has been greatly imprved by the Internet.
(教材P28）
The Internet has greatly imprved Jan’s life.
Much has been written(by Peple) abut the wnders f the Wrld Wide Web.(教材P28）
( 教材P28）
Peple have written much abut the wnders f the Wrld
Wide Web.
A kind f new PC has been built (by them) with mre functins.
They have built a kind f new PC with mre functins.
The sftware has been dwnladed(by me) t help my phne last lnger.
I have dwnladed the sftware t help my phne last lnger.
Step2 Summarize the structure
Verb frm
Passive
Active
have/has+been+v-ed
have/has+v-ed
Frm abve the pictures, we can knw that the structure :
Other structures:
He has been selected t take part in the sprts meeting．(肯定句)
他已被挑选出来参加运动会。
The ink has nt been remved frm his vercat．(否定句)
墨迹还没有从他外套上去掉。
Has the date fr the next meeting been decided?(一般疑问句)
下次会议的日期已确定了吗？
Hw lng has the battery nt been changed?(特殊疑问句)
电池多久没有更换了？
Step 3 The usage r functins
1．表示过去发生的动作对现在产生的影响和结果，且这个动作与句子的主语有逻辑上的动宾关系。
I have been tld the sprts meet will be put ff.
我已被告知运动会将要被推迟。(结果：现在我已经知道运动会要被推迟)
All the preparatins fr the task have been dne，and we're ready t start.
这项任务的一切准备都已就绪，我们准备好要开始了。
(影响：我们现已具备开始的条件)
2．表示一个被动的动作或状态从过去开始，持续到现在，并且有可能继续持续下去。常与fr＋时间段或since＋时间点等时间状语连用，此时，该被动语态的动词应使用延续性动词。
The machine has been repaired fr tw hurs.
这台机器已被修了两小时了。(持续：两小时前开始修，现在可能已经修好，也可能没有修好，还要继续修)
She hasn't been heard frm since then.
从那时候起，她就没来过信。(持续：从那以后，一直没收到她的信，以后也可能收不到)
3．在状语从句中，常用现在完成时的被动语态代替将来时的被动语态。
I will g hme when my hmewrk has been finished.
当我完成家庭作业时我就回家。(将来某时处于被完成的状态)
Step 4 Special cases
1．现在完成时的被动语态中has/have been不可漏掉。
The plan has been studied by the experts fr three times.
这个计划已经由专家研究三次了。
The dirty clthes have been washed.
脏衣服已经被洗好了。
2．现在完成时的被动语态强调过去发生的事与现在有联系；而一般过去时的被动语态所表示的动作只与过去有关，与现在没有关系。
The library has been built.
这座图书馆已经建好了。(图书馆可以用了)
The library was built last year.
这座图书馆是去年建成的。(图书馆现在是否能用是未知的)
3．含有非延续性动词，如begin，start，buy，brrw，finish等的现在完成时的被动语态的肯定式不能与表示一段时间的状语连用。这些动词的现在完成时的被动语态的否定式则可以与fr或since构成的时间状语连用。
The wrk has been finished fr tw days.(×)
This bk has nt been brrwed since last week.(√)
4．动词短语用于现在完成时的被动语态时，动词后面的副词或介词不可漏掉或省略。
The injured bird has been lked after since it was saved.(after不可漏掉)
受伤的小鸟被救后一直被照看着。
并不是所有的动词都有被动语态。如happen, ccur, take place, break ut, belng t, cst, last等不及物动词或词组, 就没有被动语态。试比较:
Sme f the best cnversatins have ever been happened arund the dinner table. (X)
Sme f the best cnversatins have ever happened arund the dinner table. (√)
Step 5 Practice
他的小说还没有出版。
His nvel ________________________．(publish)
所有的信都已经寄出去了吗？
________ all the letters ______________？(pst)
他的工作尚未完成。
His wrk ______________________．
新的订票制度已在使用中了吗？
________ the new bking systems fr tickets ____________？
They have built many huses in the village in the past few years.
→Many huses ________ ________ ________ in the village in the past few years.
We have planted many trees n the hill in the past 5 years.
→Many trees ________ ________ ________ n the hill in the past 5 years.
His sister left hme in 1998，and ________ since.(hear)
工作一完成我们就立即动身。
We'll start as sn as the wrk ______________．
你可以出去，除非你的作业已经完成了。
Yu can g ut unless yur hmewrk ______________．
新的铁路一旦建成，到达北京的用时就会更短。
Once the new railway __________________，it will take a shrter time t g t Beijing.
【答案】 1. has nt been published 2. Have；been psted 3. has nt been finished 4. Have；been used 5. have been built 6. have been planted 7. has nt been heard f 8. has been finished 9. has been finished 10. has been cmpleted
肯定结构
have/has＋been dne
否定结构
have/has＋nt＋been dne
一般疑问结构
have/has＋主语＋been dne
特殊疑问结构
特殊疑问词＋have/has＋主语＋been dne
This unit is abut the Internet, which has a great influence t ur humans and ur lives. During the Listening & Speaking & Talking and Reading and Thinking sectin, the influence in examples has been shwn. Thus, use the Present Perfect Tense is apprpriate. Hwever, in rder t shw the justice r weaken the der f the behavir/actin, it’s better t use the Present Perfect Passive Vice than the Present Perfect Tense. Besides, having learned t use the Present Perfect Passive Vice, students can beautify their language in their writing.
Learn the structure f the Present Perfect Passive Vice and its functins.
Learn t change the sentences with the Present Perfect Passive Vice int the sentences with the Present Perfect Passive Vice.
Learn t write sentences with the Present Perfect Passive Vice flexibly accrding t the cntext.
Learn the structure f the Present Perfect Passive Vice and its functins.
Learn t change the sentences with the Present Perfect Passive Vice int the sentences with the Present Perfect Passive Vice.
Learn t write sentences with the Present Perfect Passive Vice flexibly accrding t the cntext.
Step 1 Observe the fllwing sentences, then change the sentences int passive vice.
Jan’s life has been greatly imprved by the Internet.
(教材P28）
The Internet has greatly imprved Jan’s life.
Much has been written(by Peple) abut the wnders f the Wrld Wide Web.(教材P28）
( 教材P28）
Peple have written much abut the wnders f the Wrld
Wide Web.
A kind f new PC has been built (by them) with mre functins.
They have built a kind f new PC with mre functins.
The sftware has been dwnladed(by me) t help my phne last lnger.
I have dwnladed the sftware t help my phne last lnger.
Step2 Summarize the structure
Verb frm
Passive
Active
have/has+been+v-ed
have/has+v-ed
Frm abve the pictures, we can knw that the structure :
Other structures:
He has been selected t take part in the sprts meeting．(肯定句)
他已被挑选出来参加运动会。
The ink has nt been remved frm his vercat．(否定句)
墨迹还没有从他外套上去掉。
Has the date fr the next meeting been decided?(一般疑问句)
下次会议的日期已确定了吗？
Hw lng has the battery nt been changed?(特殊疑问句)
电池多久没有更换了？
Step 3 The usage r functins
1．表示过去发生的动作对现在产生的影响和结果，且这个动作与句子的主语有逻辑上的动宾关系。
I have been tld the sprts meet will be put ff.
我已被告知运动会将要被推迟。(结果：现在我已经知道运动会要被推迟)
All the preparatins fr the task have been dne，and we're ready t start.
这项任务的一切准备都已就绪，我们准备好要开始了。
(影响：我们现已具备开始的条件)
2．表示一个被动的动作或状态从过去开始，持续到现在，并且有可能继续持续下去。常与fr＋时间段或since＋时间点等时间状语连用，此时，该被动语态的动词应使用延续性动词。
The machine has been repaired fr tw hurs.
这台机器已被修了两小时了。(持续：两小时前开始修，现在可能已经修好，也可能没有修好，还要继续修)
She hasn't been heard frm since then.
从那时候起，她就没来过信。(持续：从那以后，一直没收到她的信，以后也可能收不到)
3．在状语从句中，常用现在完成时的被动语态代替将来时的被动语态。
I will g hme when my hmewrk has been finished.
当我完成家庭作业时我就回家。(将来某时处于被完成的状态)
Step 4 Special cases
1．现在完成时的被动语态中has/have been不可漏掉。
The plan has been studied by the experts fr three times.
这个计划已经由专家研究三次了。
The dirty clthes have been washed.
脏衣服已经被洗好了。
2．现在完成时的被动语态强调过去发生的事与现在有联系；而一般过去时的被动语态所表示的动作只与过去有关，与现在没有关系。
The library has been built.
这座图书馆已经建好了。(图书馆可以用了)
The library was built last year.
这座图书馆是去年建成的。(图书馆现在是否能用是未知的)
3．含有非延续性动词，如begin，start，buy，brrw，finish等的现在完成时的被动语态的肯定式不能与表示一段时间的状语连用。这些动词的现在完成时的被动语态的否定式则可以与fr或since构成的时间状语连用。
The wrk has been finished fr tw days.(×)
This bk has nt been brrwed since last week.(√)
4．动词短语用于现在完成时的被动语态时，动词后面的副词或介词不可漏掉或省略。
The injured bird has been lked after since it was saved.(after不可漏掉)
受伤的小鸟被救后一直被照看着。
并不是所有的动词都有被动语态。如happen, ccur, take place, break ut, belng t, cst, last等不及物动词或词组, 就没有被动语态。试比较:
Sme f the best cnversatins have ever been happened arund the dinner table. (X)
Sme f the best cnversatins have ever happened arund the dinner table. (√)
Step 5 Practice
他的小说还没有出版。
His nvel ________________________．(publish)
所有的信都已经寄出去了吗？
________ all the letters ______________？(pst)
他的工作尚未完成。
His wrk ______________________．
新的订票制度已在使用中了吗？
________ the new bking systems fr tickets ____________？
They have built many huses in the village in the past few years.
→Many huses ________ ________ ________ in the village in the past few years.
We have planted many trees n the hill in the past 5 years.
→Many trees ________ ________ ________ n the hill in the past 5 years.
His sister left hme in 1998，and ________ since.(hear)
工作一完成我们就立即动身。
We'll start as sn as the wrk ______________．
你可以出去，除非你的作业已经完成了。
Yu can g ut unless yur hmewrk ______________．
新的铁路一旦建成，到达北京的用时就会更短。
Once the new railway __________________，it will take a shrter time t g t Beijing.
【答案】 1. has nt been published 2. Have；been psted 3. has nt been finished 4. Have；been used 5. have been built 6. have been planted 7. has nt been heard f 8. has been finished 9. has been finished 10. has been cmpleted
肯定结构
have/has＋been dne
否定结构
have/has＋nt＋been dne
一般疑问结构
have/has＋主语＋been dne
特殊疑问结构
特殊疑问词＋have/has＋主语＋been dne
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