高中英语 Unit 4 Wildlife protection Section Ⅳ Grammar Writing课件 新人教版必修2 课件VIP专享VIP免费

全剖析·语法精讲学业分层测评重应用·写作探究Section Ⅳ Grammar & Writing 现在进行时 阅读下列句子并体会黑体部分的用法 1．Now the farmers are happy and our numbers are increasing. 2．We are being killed for the wool beneath our stomachs. 3．Our fur is being used to make sweaters for people like you. 4．I wonder what is being done to help you. 5．So good things are being done here to save local wildlife. 一、现在进行时的被动语态的结构 肯定句 be(am/is/are)＋being done 否定句 be(am/is/are)＋not＋being done 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 二、现在进行时的被动语态的用法 1．表示此刻正被进行的动作。 A new film is being shown in the theatre.Let's go to see it. 电影院里正在放映新电影呢，咱们去看吧。 2．表示现阶段正被进行的动作。 A modern school is being built in my hometown. 在我的家乡正在建一所现代化的学校。 3．表示一种经常性的被动行为，常和always，constantly, frequently等表示频率的副词连用，这种用法常常带有说话者的赞扬或厌恶的感情色彩。 I feel very puzzled that the goods in our shop are always being stolen. 我感到很迷惑，我们商店的商品老是被偷。 4．表示按计划或安排主语将要承受谓语动词所表示的动作。 A party is being held tonight. 今晚将要举行一场晚会。 三、使用现在进行时的被动语态应注意的问题 1．在现在进行时的被动语态中be为第一助动词，being为第二助动词，缺一不可，且位置不可互换。此结构若缺少being, 则就成为一般现在时的被动语态或系表结构。试比较： The report is being written by one of the best students. 报告正在由一名最好的学生写着。 The report is well written. 这个报告写得很好。(系表结构) 2．take care of，look after，talk about，think of等动词短语用于现在进行时的被动语态时，其中的介词不可省略。 Look！The children are being taken care of by their aunt. 瞧！那些孩子正由他们的姨妈照看着。 3．非延续性动词、表示存在意义、所属关系、静态特征的动词以及系动词...