(课件网) Section Ⅲ Discovering Useful Structures 目 录 01 重难语法·要攻克 02 随堂检测·要过关 03 课时检测·提能力 重难语法·要攻克 现在完成时的被动语态 The Internet has been greatly improved① in the past decades.So far， a lot of new software has been developed and applied to the Internet②.Many functions have been added③ to the Internet， which has made people’s lives more convenient④.Many search engines have been developed⑤.People can look up the most updated information from large databases.People’s lives have been greatly changed⑥ by the Internet. 1. ④处为现在完成时的主动语态形式； 2. ①②③⑤⑥处为现在完成时的被动语态形式。 ———运用“形式—意义—使用”相结合的三维动态语法观 现在完成时的被动语态表示动作已经完成，强调对现在造成的影 响或结果，而且主语和谓语动词之间是逻辑上的被动关系。 一、现在完成时的被动语态的构成及用法 【先感悟】 ①As you know， Teachers’ Day is an important festival in China and has been celebrated for about 40 years！ ②（教材典句）Much has been written about the wonders of the World Wide Web. ③To Tom’s disappointment， his novel has not been published. ④Have all of the stadiums for the games been finished？ ⑤Excuse me， Andy， why has the plan for our designs been changed again？ 【会发现】 以上各句都用了现在完成时的被动语态，其中句① ②是完成时的 形式；句③是完成时的否定形式；句④是 形式； 句⑤是 形式。 肯 定 一般疑问句 特殊疑问句 【善归纳】 1. 现在完成时的被动语态的构成 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 ...？ 2. 现在完成时的被动语态的用法： （1）现在完成时的被动语态，强调过去的动作对现在造成的影响或 结果，通常与already， yet， just， never， ever， so far， recently等 副词连用。 （2）表示一个被动的动作或状态开始于过去，持续到现在，并可能 持续下去，常与for或since引导的时间状语连用，或用于How long ...？句型中。 （3）用在时间或条件状语从句中，表示将来某时已完成的动作，即 用现在完成时的被动语态代替将来完成时的被动语态。 名师点津 常与现在完成时连用的时间状语： already， lately/recently， since then， ever since， for a long time， so far， by now， in recent years， in/during/over the past/last few years， over the years， up to now等。 【运用练】 单句语法填空 ①At the foot of Mount Tai you can also visit the temples that （protect） for over 3，000 years. ②In the past ten years， great achievements （make） in our economy， life， science， and so on. ③So far， the English Reading Club of our school （establish） for more than one year. ④In recent years， more and more food （waste） by us students， which aroused public concern. ⑤You shouldn’t go out before your homework （finish）. have been protected have been made has been established has been wasted has been finished 二、现在完成时的被动语态的注意事项 【先感悟】 ①Some artists have been looked down upon in the past few years. ②He has been ... ...
