Unit 2 Period Three　Grammar and usage（配套课件）-2021-2022学年高一英语【步步高】学习笔记（译林版2020必修二）

Be sporty，be healthy Unit 2 Period Three　Grammar and usage Learning Aims(学习目标) 1.Learn grammar—Passive voice in the present continuous and present perfect tenses.(重点难点) 2.Learn some important words：announce，replace.(重点难点) 目标一 目标二 语言知识　讲练互动 语法结构　悟通研透 内容索引 达标检测 语法结构　悟通研透 目标一 Activity 1　读文探究 阅读教材P20的一段短文，找出含有现在进行时的被动语态和现在完成时的被动语态的句子。 现在进行时的被动语态 ____________________________________________________________________________________________________________________________________________________________________________________ (1)The finishing touches are now being put to a new swimming pool... (2)Weight training classes，for example，are being designed... 现在完成时的被动语态 _________________________________________________________________________________________________________________________________________________________________________________________________________________________________ (1)Our facilities have been enlarged and redone... (2)...and our workout rooms have been updated with modern equipment. (3)...our aerobics class has been replaced with several fun options... Activity 2　感悟规律 (1)现在进行时的被动语态表示现在或现阶段正在进行或发生的被动动作。谓语动词形式为 。 (2)现在完成时的被动语态表示动作发生在过去，到现在已经完成或对现在仍有影响。谓语动词形式为 。 am/is/are＋being＋done have/has＋been＋done Activity 3　语法精析 一、现在进行时的被动语态 (一)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 (not)＋主语＋being done？ 特殊疑问式 特殊疑问词＋am/is/are(not)＋主语＋being done？ (二)用法 1.表示说话时正在进行的被动动作。句中常用now，at the moment等时间状语。 My younger sister is now being interviewed. 我妹妹现在正在接受采访。 2.表示现阶段正在进行的被动动作(说话时不一定在进行)。 These animals are being hunted at such a speed that they will disappear soon. 以如此速度捕杀这些动物，它们很快就会消失。 3.表示一种习惯的被动行为，常与always，constantly，often等词连用，表示有赞赏、羡慕、讨厌等感情色彩。 I feel very surprised that the window of our classroom is often being broken. 我感到非常吃惊的是我们教室的那扇窗户经常被打破。 4.有些“介词＋名词”结构可以表示现在进行时的被动意义。 请记住这些短语：on show；in use；under protection；under repair；under discussion；un