必修二 Unit4 Wildlife protection--Grammar现在进行时的被动语态课件 (共22张PPT)

课件22张PPT。 现在进行时的被动语态表示说话时或现阶段某个被动的动作正在进行,谓语动词的形式为“is?/?are?/?am?+?being+过去分词”。如果去掉being,就成为一般现在时的被动语态或系表结构。试比较下列句子:Discovering useful structuresThe Present Progressive Passive Voice Look!?The?children?are?being?taken?care?of? by?their aunt. ?瞧!孩子们现在正由姑母照看着。(指现在的情况)Children?are?taken?good?care?of?at?school. 孩子们在学校被照看得很好。(指通常的情况)The?report?is?being?written?by?one?of? the?best?students.? 报告正在由一个最好的学生写着。 The?report?is?well?written.? 报告写得很好。(系表结构) Summary: 现在进行时的被动语态 1. A new library is being built now. 2. Some animals are not being protected well enough. 3. Is the bridge being repaired now?1. 构成：am/is/are (not) + being + V-过去分词2. 意义：…正在被做.一座新图书馆正在被修建。有些动物没有受到很好的保护。现在那座桥在修吗？is being builtare not beingIsbeing repairedprotected现在进行时被动语态的用法： 表示现阶段正在进行的动作?现在进行时的被动语态可以表示目前这一阶段主语正在承受谓语动词的动作。例: Many?interesting?experiments?are?being carried?out?these?days. 最近正在进行许多有趣的实验。 2. 表示计划或安排?现在进行时被动语态还可表示按计划、安排主语将要承受谓语动词的动作(仅限于少数及物动词)。例: A?folk?song?is?being?sung?next.? A?party?is?being?held?tonight.? It?is?said?that?a?plane?is?being?flown?by? him?to?America?at?eight?next?Sunday? morning.?据说下周日早上八点他将开飞机去美国。3. 没有进行时的被动语态的动词一些表示状态、心理活动、拥有、存在等的动词一般不用进行时被动语态,常用一般现在时被动语态。如:?小王,过来,有你的电话。【误】?Xiao?Wang,?come?here.?You?are?being?wanted?on?the?phone. 【正】?Xiao?Wang,?come?here.?You?are? wanted?on?the?phone.? 4. 其他形式表示被动结构 “be?+under/?in等介词+名词”结构可代替进行时被动语态。例: The?city?is?under?attack?(is?being?attacked) at?the?moment.? 目前这个城市正受到进攻。 The?bridge?is?under?repair?/?construction (=is?being?repaired/?constructed).? 桥梁正在修理中/建筑中。The?problem?is?under?discussion? (=is?being?discussed)?at?the?meeting.? 问题正在会上讨论。 The?telephone?is?in?use?(=is?being?used)?. 电话正在使用中 1 Can you find the following sentence in the reading passage? Pay attention to the verb tense. Then pick out four more sentences using the present progressive passive voice from the passage. ⒈ We are being killed for the wool beneath our stomachs. ⒉ Our fur is being used to make sweaters for people like you. ⒊ I wonder what is being done to help you. ⒋ Daisy turned around and found that she was being watched by an elephant. ⒌ So good things are being done here to save local wildlife. Peking University studentsis being protected2 Try and see if you can help fill in the following form.is being huntedis being photographedare being killedare being attacked by the cata reserve near Beijingprotected by the government of the countries where it livesbeing destroyed by the poor farmers who want land to grow crops.are being used to make drugs to protect peopl ... ...