Unit+3+The+lnternet+Discovering+useful+structures 高中英语人教版（2019）必修第二册.pptx

《Unit+3+The+lnternet+Discovering+useful+structures 高中英语人教版（2019）必修第二册.pptx》由会员分享，可在线阅读，更多相关《Unit+3+The+lnternet+Discovering+useful+structures 高中英语人教版（2019）必修第二册.pptx（10页珍藏版）》请在淘文阁 - 分享文档赚钱的网站上搜索。

1、Unit 3 The InternetDiscoveringUsefulStructureThe Present Perfect Passive Voice 语法结构现在完成时的被动语态强调一个发生在过去的被动性动作持续到现在或对现在造成的影响或结果。What is the grammer?honoredhonoredhashashavehavebeenbeenproducedproduced导入演练导入演练基本结构是基本结构是什么呢？什么呢？一、语法填空一、语法填空1Do you know anything about Zhang Zhongjing?By all means.He _(ho

2、nor)as a master doctor since the Eastern Han Dynasty.2In the last few years thousands of films _ _(produce)all over the world.探究发现Much has been written about the wonders of the World Wide Web.Peoples lives have been changed by online communities and social networks.Many people have been helped by th

3、e club.Jans life has been greatly improved by the Internet.我的发现句均使用了“_+及物动词的_”结构，我们称之为_。现在完成时的被动语态表示 _的动作，且主语是动作的_。navigationnavigation ba bar r导航条基本结构肯定式：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.即学即练变换句子The children have already be

4、en told the good news.将原句变为否定句_将原句变为一般疑问句_对原句的the children 进行提问_单句写作很抱歉，但是这些信件还没有打印出来。Im sorry,but the letters_yet.这项计划已被讨论了近两个小时了。The plan_for nearly two hours.What is the note?名师点睛 常与现在完成时连用的时间状语：already 已经/yet 已经recently/lately 最近since then 那时起ever since 自那以来ever 曾经so far/up to now/till now 迄今为止f

5、or a long time 很长一段时间by now 到现在为止in recent years 在最近几年里in/during/over the past/last years在过去的几年里注意事项含有非延续性动词，如begin，start，buy，borrow，finish等的句子，用于现在完成时的被动语态的肯定式时不能与表示一段时间的状语连用。这些动词的现在完成时的被动语态的否定式则可以与for或since引导的时间状语连用。动词短语用于现在完成时的被动语态时，动词后面的副词或介词不可漏掉或省略。带有双宾语的动词的被动语态 如 give,send,bring,take,teach,sho

6、w,tell,make,sing,write,read,sell,buy,pay，lend，pass，promise等，变为被动语态时，一般将间接宾语变为被动语态的主语，若将直接宾语变为被动语态的主语时，间接宾语前面要用相应的介词。在主动语态中，用于动hear,notice,look,see,watch,make,feel,listen to后作宾语补足语的动词不定式都不带to,但改成被动语态后要加上to。Questions1.What grammr have you learned?2.When should we use it?3.What the structure of this grammer?1.I hope you will find these suggestions/recommendations helpful/practical/useful.2.I trust you will take my suggestion into account.3.I would be more than happy to see improvements in this regard.EndingEnding: