1、Unit 3 The InternetPeriod 3 Discovering Useful StructuresWarm upEnjoy an English song“Carry on”.Which line of the lyrics uses passive voice?Which uses present perfect passive voice?But Id like to think I can cheat it all To make up for the times Ive been cheated on And its nice to know when I was le
2、ft for dead I was found and now I dont roam these streetsObserving and discoveringActivity 1:Read the pairs of sentences.Underline and compare the different verb forms.Jans life has been greatly improved by the Internet.Much has been written about the wonders of the World Wide Web.The Internet has g
3、reatly improved Jans life.People have written much about the wonders of the World Wide Web.How do we form the present perfect passive voice?Observing and discoveringActivity 1:Read the pairs of sentences.Underline and compare the different verb forms.How do we form the present perfect passive voice?
4、Verb formDiscussion:What aspects in your life have been changed since the appearance of the Internet?Observing and discoveringBeforeAfterTransport Reading Payment Entertainment .Complete the sentences with correct forms of the verbs.PracticeMuch _(write)about the wonders of the World Wide Web.People
5、s lives _(change)by online communities and social networks.Many people _(help)by the club.Jans life _(improve)greatly by the Internet.has been writtenhave been changedhave been helpedhas been improvedGrammar FocusActivity 2:Change the sentences into the present perfect passive voice.1 I have downloa
6、ded 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.An identity car
7、d has been lost.Has the Wi-Fi password been confirmed?Has the button been pressed yet to copy.?Has a/any comment been made about the online database?Did you find out the differences in meaning and function between the active and passive forms?The object in an active sentence becomes the subject in a
8、 passive sentence.Both sentence types convey a similar meaning,but they are slightly different.For example,in an active sentence,the subject is doing an action to an object,while in a passive sentence,the subject is having something done to it,and the doer of that action is not necessarily mentioned
9、.Grammar FocusActive 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.Grammar FocusBrainstorm the negative form,general question and special question of the present perfect passive voice.The e
10、xperiment has been done successfully.Toms novel has not been published.Has his bike been repaired?Who has been invited?have/has+been+donehave/has+not+been+doneHave/Has+sth.+been+done?特殊疑问词特殊疑问词+have/has+been+done?Grammar FocusActivity 3:Read and appreciate the poem.Can you write a similar one based on your own situation?AssignmentFinish the exercises of“Using structures”part in the Workbook.Goodbye！
