1、Unit 3 the InternetPeriod 3 Discovering Useful Structure导学案姓名： _ 班级： _1. To review the basic usages of the Present Perfect Passive Voice 2. To learn to use some special cases concerning the Present Perfect Passive Voice 1. To appreciate the function of the Present Perfect Passive Voice in a sentence
2、2. To write essays using the proper the Present Perfect Passive Voice.观察下列句子特点，总结共同点。1(教材P28)Much has been written about the wonders of the World Wide Web2(教材P28)But the Internet has done much more for people than simply make life more convenient3(教材P28)Many people have been helped by the club4(教材P2
3、8)She no longer feels lonely, and her company has become quite successful5(教材P32)Today I thought Id blog about a question that has been asked many timeshow do you stay safe online and avoid bad experiences on the Internet?共同点：_常与现在完成时连用的时间状语有哪些？现在完成时态的意义是什么？1现在完成时的被动语态强调一个发生在过去的_，动作已_并强调对现在造成的_，主语和谓
4、语之间为_关系。The door has already_(lock).门早已经被锁上了。I have _(employ) at the job since 2015.自从2015年，我就做这份工作。2基本构成现在完成时的被动语态的结构为_A lot of money _(spend)to protect the old temple by now.These trees _(water) lately.2)带有双宾语的动词，如give, send, bring, take, teach, show, tell, make, sing, write, read, sell, buy, pay,
5、 lend, pass, promise等，变为被动语态时，一般将间接宾语变为被动语态的主语，若将直接宾语变为被动语态的主语时，间接宾语前面要用相应的介词。We have given him the book.He has been given the book.The book _to him. 1时态填空。1.He _(select)to take part in the sports meeting2.The ink_(remove) from his overcoat3.Has the date for the next meeting_(decide)?4.How long has
6、the battery_(change)?2.句型转换：The children have already been told the good news1.上面的句子变为否定句。_ 2.将上面的句子变为一般疑问句。_ 3.对上面句子中的The children进行提问。_现在完成时的被动语态的用法1现在完成时的被动语态同它的主动语态一样，强调过去的动作对现在造成的影响或结果，通常与already, yet, just, never, recently等副词连用。The machine has already_(repair)机器已经修好了。2表示一个被动的动作或状态开始于过去，持续到现在，并
7、可能持续下去，常与for或since引导的时间状语连用，或用于“How long ？”句型中。Financial problems of the company _(discuss) for nearly two hours3用在时间或条件状语从句中，表示将来某时已完成的动作，即用现在完成时的被动语态代替将来完成时的被动语态。You shouldnt leave school before your homework _(finish)使用现在完成时的被动语态要注意的问题:1现在完成时的被动语态、现在进行时的被动语态及一般过去时的被动语态的区别The machine has been repa
8、ired.(说明动作发生在过去，对现在_，“现在修好了”) The machine is being repaired now.(说明动作_进行)The machine was repaired yesterday.(只说明动作发生在_)2非延续性动词，如borrow, finish, begin, start, buy, marry, open, join等构成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，则要改换动词或时态，例如：工程已开始三个月了。判断正误：The project has been started for three months.( _)The
9、 project has been on for three months. (_)3.带有复合宾语的动词变为被动语态时，若宾语补足语为省略to的不定式充当时，在被动语态中需将省掉的to加上。The boss has made his company offer more chances for people to work._ (4)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，其中的介词或副词不可省略。Its said that the problem has_(look into).据说已经调查了这个问题。总结：现在完成时的被动语态的结构肯定式主语_done否定式主语_ do
10、ne一般疑问式Have/Has主语_？特殊疑问式疑问词_主语been done？1They _ (sell) ten apartments in the past one hour. 2He _ (buy) a present when she visited Xinjiang.3He _ already _ (ask) to help you.4The company _ (make) its workers work5A notice _ already _ (put up) on the wall.6Since we realized that we should study hard,
11、 our time _ (make) full use of.7These streets_ (not sweep) for two days.8How long_the book _ (keep)?9How long ago _the picture _ (take)? 10These goods _ (not ship) abroad yet.II.完成句子：1From what _ (已被讨论过的) above, we can draw the conclusion that parents are our best teachers.2Fortunately, a lot of mea
12、sures_ (已被采取了) to deal with the problem.3Two suggestions _ (已被提供) by our classmates.4Peoples health _ (受到了很大的影响) by air, noise and water.5In spite of these changes, the liberation of women_ (没有被完全认识到)【答案】常与现在完成时连用的时间状语有哪些？already已经yet已经recently/lately最近since then从那时起ever since自那以来ever曾经so far迄今为止by
13、now到现在为止for a long time 很长一段时间in recent years在最近几年里in/during/over the past/last years在过去的几年里现在完成时态的意义是什么？1现在完成时的被动语态强调一个发生在过去的被动性的动作，动作已完成并强调对现在造成的影响或结果，主语和谓语之间为被动关系。The door has already_(lock).门早已经被锁上了。been lockedI have _(employ) at the job since 2015.自从2015年，我就做这份工作。been employed2基本构成现在完成时的被动语态的结构
14、为has/have been done。A lot of money _(spend)to protect the old temple by now.has been spent到目前为止已投入了大笔钱来保护这座古庙。These trees _(water) lately.have been watered那些树最近已浇水。2)带有双宾语的动词，如give, send, bring, take, teach, show, tell, make, sing, write, read, sell, buy, pay, lend, pass, promise等，变为被动语态时，一般将间接宾语变为被
15、动语态的主语，若将直接宾语变为被动语态的主语时，间接宾语前面要用相应的介词。We have given him the book.He has been given the book.The book _to him.has been given1时态填空。1.He _(select)to take part in the sports meeting【答案】has been selected他已被挑选出来参加运动会。2.The ink_(remove) from his overcoat【答案】has not been removed墨迹还没有从他外套上去掉。3.Has the date f
16、or the next meeting_(decide)?【答案】been decided下次会议的日期已确定了吗？4.How long has the battery_(change)?【答案】not been changed电池多久没有更换了？2.句型转换：The children have already been told the good news1.上面的句子变为否定句。_ 【答案】The children havent been told the good news yet2.将上面的句子变为一般疑问句。_ 【答案】Have the children been told the
17、good news yet?3.对上面句子中的The children进行提问。_【答案】Who has been told the good news yet?现在完成时的被动语态的用法1现在完成时的被动语态同它的主动语态一样，强调过去的动作对现在造成的影响或结果，通常与already, yet, just, never, recently等副词连用。The machine has already_(repair)机器已经修好了。been repaired2表示一个被动的动作或状态开始于过去，持续到现在，并可能持续下去，常与for或since引导的时间状语连用，或用于“How long ？”
18、句型中。Financial problems of the company _(discuss) for nearly two hourshave been discussed公司的财务问题已被讨论了近两个小时了。3用在时间或条件状语从句中，表示将来某时已完成的动作，即用现在完成时的被动语态代替将来完成时的被动语态。You shouldnt leave school before your homework _(finish)has been finished在你的作业没完成之前你不应该离开学校。使用现在完成时的被动语态要注意的问题:1现在完成时的被动语态、现在进行时的被动语态及一般过去时的被
19、动语态的区别The machine has been repaired.(说明动作发生在过去，对现在有影响，“现在修好了”) The machine is being repaired now.(说明动作正在进行)The machine was repaired yesterday.(只说明动作发生在过去)2非延续性动词，如borrow, finish, begin, start, buy, marry, open, join等构成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，则要改换动词或时态，例如：工程已开始三个月了。判断正误：The project has be
20、en started for three months.(F)The project has been on for three months. (T)3.带有复合宾语的动词变为被动语态时，若宾语补足语为省略to的不定式充当时，在被动语态中需将省掉的to加上。The boss has made his company offer more chances for people to work.His company has been made to offer more chances for people to work.(4)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，其中的
21、介词或副词不可省略。Its said that the problem has_(look into).据说已经调查了这个问题。been looked into总结：现在完成时的被动语态的结构肯定式主语have/has been done否定式主语have/has not been done一般疑问式Have/Has主语been done？特殊疑问式疑问词have/has主语been done？1They _ (sell) ten apartments in the past one hour. 2He _ (buy) a present when she visited Xinjiang.3
22、He _ already _ (ask) to help you.4The company _ (make) its workers work5A notice _ already _ (put up) on the wall.6Since we realized that we should study hard, our time _ (make) full use of.7These streets_ (not sweep) for two days.8How long_the book _ (keep)?9How long ago _the picture _ (take)? 10Th
23、ese goods _ (not ship) abroad yet.1.have sold 2.was bought 3.has/been asked 4.has made 5.has been put up 6.havent been made 7.havent beem swept 8.has been kept 9.was taken 10.havent been shipped.II.完成句子：1From what _ (已被讨论过的) above, we can draw the conclusion that parents are our best teachers.2Fortu
24、nately, a lot of measures_ (已被采取了) to deal with the problem.3Two suggestions _ (已被提供) by our classmates.4Peoples health _ (受到了很大的影响) by air, noise and water.5In spite of these changes, the liberation of women_ (没有被完全认识到)1.has been discussed 2.have been taken 3.have been provided 4.has been greatly affected 5.has not been completely realized