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单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,2020/12/26,#,Unit 3 The Internet,Discovering Useful Structures,Unit 3 The InternetDiscoverin,1,Teaching objectives:,By the end of this period,you will be able to,analyze,the forms and features of the present perfect passive voice.,find out,the differences in meaning and function between the active and passive forms.,master,the functions of the present perfect passive voice in the context and use it in real situations.,Teaching objectives:By the end,2,What aspects in your life have been changed since the appearance of the Internet?,Lead in,Before,After,Transport,Reading,Payment,Entertainment,Try to tell the changes according to the table using,the present perfect passive voice.,foot;bike;bus;train plane;high-speed rail,paper books E-books,in cash;by credit E-payment,watch movies in the theater,Stream movies and music;chat online,What aspects in your life have,3,1.Jans life,has been greatly improved,by the Internet.,The Internet,has greatly improved,Jans life.,2.Much,has been written,about the wonders of the World Wide Web.,People,have written,much about the wonders of the World Wide Web.,Observe and analyze,Underline and compare the different verb forms.,1.Jans life has been greatly,4,Active,_,Passive,_,The form of the present perfect passive voice,Verb form,have/has+,v-ed,have/has been+,v-ed,Active _Passi,5,Practice,Change the sentences into the present perfect passive voice.,Example,They,have built,a kind of new PC with more functions.,A kind of new PC,has been built,with more functions.,1.I have downloaded the software to help my phone battery last longer.,2.Someone has lost an identity card.,3.Have you confirmed the Wi-Fi password?,4.Have you pressed the button yet to copy the file?,5.Has anyone made a comment about the online database?,PracticeChange the sentences i,6,1.I have downloaded the software to help my phone battery last longer.,2.Someone has lost an identity card.,3.Have you confirmed the Wi-Fi password?,4.Have you pressed the button yet to copy the file?,5.Has anyone made a comment about the online database?,The software has been downloaded to help my phone battery last longer.,An identity card has been lost.,Has the Wi-Fi password been confirmed?,Has the button been pressed yet to copy the file?,Has a/any comment been made about the online database?,1.I have downloaded the softw,7,What are the differences in meaning and function between the active and passive forms?,The object in an active sentence becomes the subject in a passive sentence.Both sentence types convey a similar meaning,but they are slightly different.,Active sentences are used often,as they are more direct.Passive sentences are often used when the doer of an action is unknown,not important,or preferred not named.,What are the differences in m,8,We use it when something has been done by someone at sometime up to now.,We are not interested in the actor(,行动者,),.,Subject and its verb should be in a agreement.,the present perfect passive voice,We use it when something has b,9,Complete the notice with the correct forms of the verbs in brackets.(Workbook P75 Activity 4),Notice to parents,Dear Parents,We hope you will welcome this news.Almost 100 computers _(give)to us by a local computer company since the end of last year.A decision _(make)to begin a computer teaching experiment at our school.Our plan _(support)with technical equipment and advice which _(provide)by the City Information Technology Center.Every teacher _(provide)with a laptop since the beginning of this term.,More importantly,most of our courses _(teach)using computers.We _(help)in our teaching by a lot of information from the Internet.Also,a new computer room _(set up)in our school.We hope you will be happy with this exciting new development in our school.,No.8 Senior High School,has been made,has been given,has been supported,has been provided,has been provided,have been taught,have been helped,has been set up,Complete the notice with the c,10,Enjoy the poem,Look at the way your face,has been washed,Look at the way your teeth,have been brushed,Look at the way your shoes,have been cleaned,Youd better do them again,Look at the way the flowers,have been planted,Look at the way the grass,has been cut,Look at the way the paths,have been swept,I hope that youll come here again,Enjoy the poemLook at the way,11,1.What are the subjects of your poems?,2.,Can you list some verbs connected to the subjects?,3.Can you make a sentence according to the example?,Films,pictures,flowers,trees,Make,paint,plant,Look at the way the pictures have been painted.,Look at the way the films have been made.,Brainstorm,1.What are the subjects of yo,12,Writing,Think of your own situation and write a similar poem.,Look at the way your face,has been washed,Look at the way your teeth,have been brushed,Look at the way your shoes,have been cleaned,Youd better do them again,Look at the way the flowers,have been planted,Look at the way the grass,has been cut,Look
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