2020—2021学年人教新课标必修二 Unit2 《现在完成时被动语态》课件

1、The Present Perfect Passive Voice GrammarTo learn and use the present perfect passive voice1. we plant trees every year. Trees are planted every year.2. They built the library in 1996. The library was built in 1996.3.We will hold a meeting soon. A meeting will be held soon.RevisionRead the pairs of

2、sentences and compare the verb form.active voicepassive voiceLook at the sentences and think about the underlined parts Trees are planted every year. The library was built in1996. A meeting will be held soon.Form?Meanings?summary 一般现在时的被动语态构成： am /is / are+done 一般过去时的被动语态构成： was/were + done一般将来时的被动语

3、态构成. will be +done 被做被做了 将被做Read the pairs of the sentences and compair the underlined verb forms.He has watered the flowers. .The flowers have been wateredTheir classroom has been cleanedThe students have cleaned their classroom.Active voicePassive voiceHow do we form the present perfect passive vo

4、ice？Verb formActive passivehas/have+ been + donehas/have +donefill in the blank below. Read the sentences and underline the grammar structure.1.His mistake has been corrected.2.The buildings have been completed.3.The lost boy has been found.1.His mistake has been corrected.2.The buildings have been

5、completed.3.The lost boy has been found.现在完成时的被动语态构成 have/has +been +doneunderstand the underlined parts and fill in the form .意义已经被做了 understand the underlined parts and fill in the blank.1.Has your homework been handed in?2.These problems have not been solved.3.How much money has been raised?现在完成时

6、的被动语态肯定式： have /has +been +done否定式：一般疑问式：特殊疑问式： have /has + not +been +donehave /has +主语 +been +done特殊疑问词 +have /has +主语 +been +done一.表示某一动作从过去一直持续到现在，并有可能继续持续下去，常连用的时间状语有，for+时间段,Since+时间状语(从句 )。 so far, up to now等 1).My English has been improved since Mr. Wang came to my class. 2).Have both his ne

7、w books been published so far?The usage of the present perfect passive voice二.现在完成时的被动语态表示动作发生在过去, 到现在已经完成并对现在仍有影响,常与 already, yet, ever, never, just， before等连用。例如： 1). The dirty clothes have already been washed. 脏衣服都已经洗了。 2). The plan has ever been studied by the experts for three times . 这项计划已经由专家

8、研究过三次了。 The usage of the present perfect passive voiceChange the sentences into the passive voice;3.Uncle wang hasnt repaired his bike.2.Have you finished your paper? hasnt been repaired .your paper been finished?have been taken good care of . 1. The nurses have taken good care of the old people The

9、 old peopleHas His bikeExercises1.Both my brothers work at the power station that _ in my hometown. A. has set up B. has been set up C. was set up D. is set up2.-_ the sports meet will be put off. A. Ive been told B. Ive told C. Im told D. I told改错1. A personal computer has bought by us. A personal

10、computer_ by us. 2. A lot of e-mails had written on the computer in the past 5 years.A lot of e-mails_in the past 5 yearshas been boughthave been written on the computer practice: read the sentences and fill in the blanks. 1.Its said that this book _into English and French so far. (translate) 2.Has

11、your e-mile _(send)? 3.When and where to go for a picnic has_ (not decide).has been translatedbeen sentnot been decidedThink and answerWhen do we use the present perfect passive voice?What are the similarities and differences between the present perfect tense and the present perfect passive voice?两者都表示动作已经完成。现在完成时表示:某人已经做了某事 sb.