(课件网) UNIT 2 Be sporty,be healthy Section Ⅱ Grammar and usage 内容索引 课时精练 3 语法探究 1 知识拾遗 2 语法探究 新知导学 现在进行时和现在完成时的被动语态 [教材示例] 观察黑体部分并感悟规律 1.Our facilities have been enlarged and redone,and our centre is now bigger and better than ever before. 2.The finishing touches are now being put to a new swimming pool... 3....and our workout rooms have been updated with modern equipment. 4.In response to public interest,our aerobics class has been replaced with several fun options,including modern dance. 5.Weight training classes,for example,are being designed and will be added to our programme soon. [我的发现] 1.句2和句5运用的是现在进行时的被动语态,谓语动词的构成为:_____。 2.句1、句3和句4都使用了_____,谓语动词的构成为:_____。 be (am/is/are)+being+done 现在完成时的被动语态 has/have been+done 语法精讲 一、现在进行时的被动语态 (一)构成 现在进行时的被动语态表示某动作正在被进行。其基本构成为: 肯定句 be (am/is/are)+being done 否定句 be (am/is/are)+ not + being done 一般疑问式 be (am/is/are)+主语+ being done? 特殊疑问式 特殊疑问词+ be (am/is/are)+主语+ being done? All living conditions are being improved. 所有的生活条件正在被改善。 The new hospital isn't being built at the moment. 那个新医院目前没有在建设之中。 Is this film being put on in the Cinema this week 本周这部电影正在这家电影院上映吗? Where is the activity being held now 现在这项活动在哪里举行? (二)用法 1.表示说话时正在进行的被动动作。句中常与now,at the moment等时间状语以及祈使动词如look,listen等连用。 More than 2,500 people are being treated in the hospital,including 699 in intensive care. 超过2 500人在医院接受治疗,其中699人在重症监护室。 2.表示现阶段正在进行的被动动作(说话时不一定正在进行)。 These animals are being hunted at such a speed that they will disappear soon. 这些动物以如此速度被捕杀,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,有赞赏、羡慕、讨厌等感彩。 Tom is always being praised by the teacher. 汤姆总是被老师表扬。 4.与某些情态动词连用,表示对正在发生的动作的推测。 —Do you know what Smith is doing 你知道史密斯正在做什么吗? —He is ill.He may be being examined by the doctor. 他病了。他可能正在接受医生的检查。 [名师点津] (1)stay,love,have,want,belong to等一般不用于现在进行时的被动语态。 Nowadays,football is becoming more and more popular.In other words,it is loved by more and more people. 足球现在越来越流行了,换句话说,它得到了越来越多人的喜爱。 (2)“be+under/in等介词+名词”结构可用来表示现在进行时的被动语态的含义。 The telephone is in use.=The telephone is being used. 电话正在使用中。 二、现在完成时的被动语态 (一)构成 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。其基本构成为: 肯定式 主语+have/has been done 否定式 主语+have/has not been done 一般疑问式 Have/Has+主语+been done? 特殊疑问式 疑问词+have/has+主语+been done? He has been selected to take part i ... ...