《The internet》SectionⅢ PPT专项突破现在完成时的被动语态1．(教材P28)Much________________________ (write) about the wonders of the World Wide Web．2．(教材P28)But the Internet _________________ (do) much more for people than simply make life more convenient．3．(教材P28)Many people _______________________ (help) by the club．4．(教材P28)She no longer feels lonely, and her company __________________ (become) quite successful．5．(教材P32)Today I thought I’d blog about a question that _________________ (ask) many times—how do you stay safe online and avoid bad experiences on the Internet?一、现在完成时的被动语态的结构肯定式主语＋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．．．？◆He has been selected to take part in the sports meeting．他已被挑选出来参加运动会。◆The ink has not been removed from his overcoat．墨迹还没有从他外套上去掉。◆Has the date for the next meeting been decided?下次会议的日期已确定了吗？◆How long has the battery not been changed?电池多久没有更换了？二、现在完成时的被动语态的用法1．现在完成时的被动语态同它的主动语态一样，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, recently等副词连用。◆The machine has already been repaired．机器已经修好了。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。◆Financial problems of the company have been discussed for nearly two hours．公司的财务问题已被讨论了近两个小时了。◆How long has this film been shown?这部电影已放映多长时间了？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。◆You shouldn’t leave school before your homework has been finished．在你的作业没完成之前你不应该离开学校。... ... ...关键词：人教版高中英语必修二PPT课件免费下载，The internet PPT下载，.PPT格式； 本作品中主体文字及图片可替换修改，文字修改可直接点击文本框进行编辑，图片更改可选中图片后单击鼠标右键选择更换图片，也可根据自身需求增加和删除作品中的内容，源文件无水印。如认为该内容涉嫌侵权，可通过邮件提出书面通知，我们将及时处理。