ID: 22591547

人教版(2019) 必修第二册 Unit 2 Wildlife Protection Discovering Useful Structures课件(共21张PPT)

日期:2025-05-16 科目:英语 类型:高中课件 查看:17次 大小:5780290B 来源:二一课件通
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人教,Protection,21张,课件,Structures,Useful
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(课件网) The Present Continuous Passive Voice past Review the structure of time tense present 一般过去时 过去进行时 一般现在时 现在进行时 一般将来时 现在完成时 过去完成时 will/shall be/do 现在完成进行时 am/is/are 或实义动词原型或三单+s am/is/are doing have/has done have/has been doing was/were doing had done future Everybody, everybody wants to love Everybody, everybody wants to be loved. 主动 :do 被动:be done Do you know where my Mater is hidden 一般现在时主动:do 被动:is/ are done Master was chosen by Bodhisattva Guanyin. 一般过去时主动:did 被动:was/were done How could he be eaten by monsters like this 有情态动词主动:情态动词+do 被动:情态动词+be done Nowadays, some factories are polluting the river. Nowadays, the river by some factories. As a result, animals are losing their habitats. is being polluted What happened to the sea Wise men learn by other men's mistakes; fools by their own Find more sentences with the same verb form in this unit. Our planet’s wildlife is dying out at an alarming rate. Between 150 and 200 species are becoming extinct every day. Much is being done to protect wildlife. Wise men learn by other men's mistakes; fools by their own What measures are being taken to help them Wise men learn by other men's mistakes; fools by their own 形式 结构 肯定式 主语+am/is/are+being done. 否定式 主语+am/is/are not+being done. 一般疑问式 am/is/are+主语+being done? 特殊疑问式 疑问词+am/is/are+主语+being done? 现在进行时被动语态的基本形式 Wise men learn by other men's mistakes; fools by their own eg: The house is being painted. (肯定式) The trees are not being watered. (否定式) Am I being watched over (一般疑问式) How many bridges are being built in the village (特殊疑问式) Wise men learn by other men's mistakes; fools by their own 一般疑问句 be(am/is/are) +主语+being done 特殊疑问句 特殊疑问词+be(am/is/are) +主语+being done Are the bones of the animals being tested Who is being questioned by the police right now Wise men learn by other men's mistakes; fools by their own Basic usage 基本用法 1. 表示此刻正被进行的动作,句中常用now, right now, look, at present, at the moment等时间状语连用。 She is being examined by the doctor now. Look! The children are being done care of by their aunt. 看!孩子们正由他们姑妈照顾 她现在正在接受医生的检查。 Basic usage 基本用法 2. 表示现阶段正被进行的动作(说话时不一定正在进行)。 A new factory is being built. 一座新的工厂正在建设中 These animals are being hunted at such a speed that they will disappear soon. 这些动物正以如此快的速度被猎杀,以至于它们很快就会消失。 Basic usage 基本用法 3.表示一种习惯性的被动动作,常与_____等词连用,表示有赞赏、羡慕、讨厌等感彩。 often, always, frequently, constantly Tom is always being praised by the teacher . Tom 总是被老师表扬。 He is often being bullied by other boys. 他经常被别的男孩子欺负。 special usage 特殊用法 1. 可与部分_____连用,表示对正在发生的被动动作的推测。 1. Jim may be be ... ...

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