【优化课堂】2012年高中英语 unit 4:section ⅱ learning about language课件新人教版必修2_第1页
【优化课堂】2012年高中英语 unit 4:section ⅱ learning about language课件新人教版必修2_第2页
【优化课堂】2012年高中英语 unit 4:section ⅱ learning about language课件新人教版必修2_第3页
【优化课堂】2012年高中英语 unit 4:section ⅱ learning about language课件新人教版必修2_第4页
【优化课堂】2012年高中英语 unit 4:section ⅱ learning about language课件新人教版必修2_第5页
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1、Section ,Learning about Language,现在进行时的被动语态 一、结构 am/is/arebeing done 二、用法 1表示此刻正在进行的被动动作。如: She is being examined by a doctor.她正在接受医生的检查。,2表示现阶段正在进行的被动动作,但此动作在此时此刻,不一定发生。如:,A new station is being built.一个新的车站正在建设中。 3表示经常性的被动行为,常和 always, constantly 等词连,用。如:,He is always being praised by the teacher.

2、 他总是被老师表扬。,4与部分情态动词连用,表示对正在发生的动作的推测。,如:,He may be being scolded by his father at the very moment. 他此刻也许正被他父亲责骂。,三、易错之处,因为被动语态的基本构成为 be done,因此,不少学生误将 现在进行时的被动语态结构“am/is/are being done” 写成 “am/is/arebeendone”,造成被动语态结构错误。如:,Dont touch the machine when it is been operated.() Dont touch the machine when

3、 it is being operated.() 机器运转时不要用手触摸。,四、特别注意,1现在进行时的被动语态可表示根据计划或安排,主语将 要承受谓语动词的动作,仅限于 bring, take, send, hold, sing, play 等少数及物动词。如:,Folk song is being sung next.下面将唱一首民歌。,2一些表示状态、心理活动、拥有、存在等的动词,一般 不用于现在进行时的被动语态,而用一般现在时的被动语态表 示此时此刻或目前主语正承受谓语动词的动作。如: Wang Li, come here.Youre being wanted on the phone

4、.() Wang Li, come here.Youre wanted on the phone.() 王丽,过来,有你的电话。,3“介词 in/on/under 等名词”构成的介词短语常含有 被动意义,可代替现在进行时的被动语态,此时名词前一般 不用冠词。如:,The bridge is under repair/construction,(is being repaired/constructed) 大桥正在建设中。,The picture is on display,(is being displayed) these days. 这张照片这些天一直在展示。,五、句型变换,现在进行时的被

5、动语态与现在分词的被动式 being done 均 可表示此刻正在进行的被动动作,因此它们之间可以进行句型 转换。如:,Please tell me something about the meeting which is being,held now.Please tell me something about the meeting being held now.(being held 作后置定语),请告诉我此刻正在举行的会议的有关情况。,注意:非谓语动词的被动形式表达不同时态的被动意义: (1)to be done 是不定式的被动,表示将来和被动;,(2)to have been don

6、e 是不定式完成式的被动,表示完成和被,动;,(3)being done 是现在分词的被动,表示进行和被动; (4)having been done 是现在分词完成式的被动,表示完成和,被动,不作定语和补足语;,(5)done 是过去分词,表示完成和被动,作定语、状语、补,足语。,一、用所给单词或短语的适当形式填空,1The camera that _ (use) by him now,belongs to me.,2 With the development of science, more new technologies,_ (apply) in the field of IT.,3A

7、new library _ (build) and will be,completed next month.,4 While the machine _ (examine), a,lot of defects are found.,is being used,are being applied,is being built,is being examined,5Look, the baby _ (look after) by the,volunteer.,6The experiment which _ (carry) out,at the moment will be a success.,

8、7The news _ (talk) everywhere. 8A party is _ (hold) tonight.,9Football is becoming more and more popular.In other words,it _ (love) by more and more people.,10Much progress _ (make) in China,with the help of the peoples hard work.,is being looked after,is being carried,is being talked,being held,is

9、loved,is being made,二、同义句转换,1The teacher is grading the students schoolwork now. The students schoolwork _ now. 2Whats the small house that Uncle Wang is building for? Whats the small house that _ by,Uncle Wang for?,3There is a good news of the sports meeting which is being,held in the city stadium

10、these days.,There is a good news of the sports meeting _,in the city stadium these days.,is being graded,is being built,being held,4 The police have arrested a young man and they are,questioning him now.,A young man has been arrested and _ now. 5The building is being constructed.,The building is _.,6 We have to ta

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