人教版高一英语必修二Unit 4 Wildlife Protection Grammar 现在进行时的被动语态课件（共26张）

课件26张PPT。The Present Progressive Passive VoiceGrammar一.课前复习1.表示 的动作 e.g：Listen！She is not reading English but she is singing English song in the next room. 现在正在进行 2.表示 的动作 e.g: I am making model pianes with my younger brother these days. 现阶段正在进行3.表示 的动作。这一类动词一般为表示位置转移交通方式、行程安排的动词，常有‘意图、安排、打算’的含义。按计划或安排将要进行e.g:1)My family is moving to Beijing next month. 2)Is professor Kim givjing a lecture this afternoon?4.表示说话人的赞扬、厌恶、不满和遗憾等 。句中常有副词always,forever,continually,constantly等。 e.g:The studends are making progress constantly.感彩归纳一：现在进行时的主动语态结构： 肯定式: 否定式： 一般疑问式: 特殊疑问式：主语+am/is/are+doing主语+am/is/are+not+doingAm/Is/Are+主语+doing ……？疑问词+am/is/are+主语+doing？二.观察下列句子We are being killed for the wool beneath our stomachs. Our fur is being used to make sweaters for people like you. So good things are being done here to save local wildlife. I am being hunted these days. 观察句子We are not being killed for the wool. Our fur is not being used to make sweaters . Are good things being done here to save local wildlife? Are you being hunted these days? 观察句子 What is being done on the new medicine. How many bridges are being built in the village?思考：观察以上句子，它们用了什么时态、什么语态，结构是怎样？归纳二：现在进行时被动语态结构 肯定式： 否定式: 一般疑问式： 特殊疑问式：主语+am / is / are+being done主语+am/is/are＋not＋being doneAm/Is/Are＋主语＋being done？疑问词+am/is/are+主语+beingdone？ “三变”:原句主语变为by短语,宾语变为主语,谓语由主动变为被动； “三不变”:原句意思不变, 原句时态不变, 原句主谓宾以外成分不变。 They are building nine parks. →Nine parks are being built. →How many parks are being built? 主动语态变被动语态:即学即练A snake is swallowing a big frog over there.被动划线提问： 被动否定式： 被动一般疑问式： 被动式： A big frog is being swallowed by a snake over there.A big frog is not being swallowed by a snake over there.Is a big frog being swallowed by a snake over there?Where is a big frog being swalloeed by a snake?现在进行时的被动语态基本用法： 表示现在正在进行的被动动作。 e.g.Mary is being interviewed now.—My car is being repaired now. —What’s the matter?2. 表现阶段正在进行的被动动作。The disease is being studied at present by scientist. The life of the panda is being studied at present . 现在正在研究熊猫的生活环境。 3. 少数及物动词的进行时表示按计划、安排将要承受某个动作。 Some rock music is being played by them next. 下面将由他们演奏一些摇滚音乐。 An party is being held tonight. 今晚将要举办一场晚会。5. 在某些 “介词+名词”的短语也可以表示正在进行着的被动,常见的这些介词有: on, under e.g. Many new cars are on show. = Many new cars are being showed. Your questions are under discussion. = Your questions are being discussed.6. 有些表 “ 状态,　心理活动,　情感”等的动词,常用一般现在时的被动语态表示 “正在进行”。 e.g. You are wanted on the phone. MP3 is becoming more a ... ...