Unit 4 Amazing art 现在进行时被动态 详解与练习（必修第三册）-2023-2024学年高中英语教材语法详解清单（外研版2019）

必修3 unit 4 现在进行时被动态 观察以下句子： ① The technique is being tried to assess what effect it may have. ② The problem which is being discussed is worth reflecting on. ③ We have to take another road because this road is being repaired. ④ The broadcast is being brought to you from one of the largest museums on the earth--the Louvre at this moment. ⑤Currently, the rivers in the city are being seriously polluted. 总结规律： (1) 以上例句中的时态和语态是___________________ (2) 结构为:__________________________ (3) 常见的时间状语为：now现在, nowadays现如今, currently现在, at present现在, at this moment在此刻, for the time being暂时, for the moment暂时等。 1、 现在进行时被动态： 1. 概念： 现在进行时概念： 现在进行的动作或存在的状态。主语是行为动作的发出者。 现在完成时被动态概念： 现在进行的动作或存在的状态。主语是行为动作的承受者。 2. 结构： 肯定式 is/am/are being + v.-ed 否定式 is/am/are + not + being + v.-ed 一般疑问句 Is/Am/Are + 主语+ being + v.-ed? 特殊疑问句 疑问词 + is/am/are + being + v.-ed? 举例说明： The wildlife is being protected to promote healthy ecosystem. 野生动物正被保护着来促进健康的生态系统。 改为否定句：_________________________________________________________________ 改为一般疑问句:_______________________________________________________________ 2、 现在进行时被动态的基本用法: (1) 表示正在进行或发生的被动动作。 The washing machine is being repaired now, so I have to wash clothes by hands. 这个洗衣机正在被修理，所以我不得不手洗衣服。 The patient is being examined by the doctor carefully. 医生正在认真给病人体检。 (2) 表示现阶段或目前一段时间正在发生的动作或存在的状态，不一定此时此刻正在进行的被动动作。 These days the party is being prepared by the school students. 这些天学校学生们正准备着一个晚会。 The wildlife here is being protected by the local government. 当地政府正保护着这里的野生动物。 (3) 现在进行时被动态可以与表示“频率”的副词，如always, often. constantly, forever, continually等连用，表示喜欢、厌恶等情感。 He is always being criticized by his father. 他总会被他爸爸批评。 The book is continually being borrowed among the students. 学生们不断地借阅这本书。 三、现在进行时被动态的注意事项 cook, burn, sell, print等用于进行时，常用主动表示被动。 The house is burning. 房子正烧着。 The rice is cooking. 米饭正煮着。 The book is selling well. 这本书正卖得很好。 巩固练习： (1)单句语法填空 ①．This kind of shirt, which has been out of style, _____________(sell) at half price. ②．There is good news