1、Unit 3The InternetPeriod 4Discovering Useful Structures学习目标1.To analyze the form and feature of the present perfect passive voice.2.To find out the differences in meaning and function between the active and passive forms.3.To master the function of the present perfect passive voice in the context an
2、d use it in real situations.课堂探究Part Observe and analyzeActivity 1Read the pairs of sentences.Underline and compare the different verb forms.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
3、 of the World Wide Web.People have written much about the wonders of the World Wide Web.Activity 2How do we form the present perfect passive voice?Fill in the blank.Verb formActivehave/has+v-edPassivePart PracticeActivity 1Change the sentences into the present perfect passive voice.Example:Theyh
4、9011;ve 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、5.Has anyone made a comment about the online database?Activity 2Can you find out the differences in meaning and function between the active and passive forms?Activity 3Complete the notice with the correct forms of the verbs in brackets.(Workbook P75 Activity 4)Notice to parentsDear Parents,We hope y
6、ou 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 Centre.
7、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 dev
8、elopment in our school.No.8 Senior High SchoolPart Language useActivity 1Read the poem.Brainstorm and discuss how the present perfect passive voice is used.Look at the way your face has been washedLook at the way your teeth have been brushedLook at the way your shoes have been cleanedYoud
9、better do them again.Look at the way the flowers have been plantedLook at the way the grass has been cutLook at the way the paths have been sweptI hope that youll come here again.1.What are the subjects of your poems?2.Can you list some verbs connected to the subjects?.Activity 2 Think of
10、your own situation and write a similar poem.Part Share and showActivity 1Share your poem with the classmates.Activity 2Self-assessmentAssess your poem according to the checklist. Have you used the present perfect passive voice in your writing? Is your writing clear and logical? Are all the words spe
11、lt correctly? Is your handwriting easy to read?核心素养专练Finish the Activities 2,3,5 in Using Structures of Workbook on page 7475.参考答案Part Activity 11.Jans life has been greatly improved by the Internet.The Internet has greatly improved Jans life.2.Much has been written about the won
12、ders of the World Wide Web.People have written much about the wonders of the World Wide Web.Activity 2have/has been+v-edPart Activity 11.The software has been downloaded to help my phone battery last longer.2.An identity card has been lost.3.Has the Wi-Fi password been confirmed?4.Has the button bee
13、n pressed yet to copy the file?5.Has a/any comment been made about the online database?Activity 2As we can see in the above sentences,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.For example,in
14、 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.Active sentences are used more often,as they are more direct.Passive sentences are often used when the doer
15、of an action is unknown,not important,or preferred not to be named.Activity 3have been given;has been made;has been supported;has been provided;has been provided;have been taught;have been helped;has been set upPart Activity 11.Films,pictures,flowers,trees.2.Make,paint,plant.Activity 2One possible p
16、oem:Look at the way the picture has been paintedLook at the way the film has been madeLook at the way the poem has been writtenNow think about what you could create.Look at the way the needy have been helpedLook at the way the river has been cleanedLook at the way the tree has been plantedNow think how to make the world a better place.