山东省新泰市第二中学高中英语模块七 unit2 语法 语法课中探究案模板一、 检查反馈，导入新课。填表格，复习回顾基本时态动作时间一般进行完成现在doam/is/are doing 过去did had done将来 二、目标定位，确定重点。1. 理解并掌握各种时态的被动形式2. 理解并掌握不定式的被动形式三、自主探究，教师点拨。 填表，掌握关于基本时态的被动形式动作时间一般进行完成现在被动形式am/is/are done am/is/are being donehave/has been done过去被动形式 将来被动形式will be done/ 四、尝试演练，合作解疑。不定式有时态和语态的变化，时态共四种，即一般式、完成式、进行式和完成进行式。语态分为主动语态和被动语态，如下表所示。语态 时态主动语态被动语态一般式 to do 1完成式 to have done 进行式 to be doing/完成进行式 to have been doing/（一）当不定式的逻辑主语是不定式所表示的动作的承受者时，不定式一般要采用被动形式。 不定式的被动形式有下列用法1．作主语： It is an honor for me to be asked to speak here.2．作宾语： She asked to be sent to work in Xinjiang.3．构成复合宾语： He wanted the letter to be typed at once. She didn’t like herself to be praised like that.4．构成复合谓语： The books are not allowed to be taken out of the room.5．作定语： Are you going to the meeting to be held in the teachers’ office?6．作状语： She was too young to be assigned such work.（二）不定式有时还可以有完成式的被动式，在句中作主语、宾语、定语，或者构成复合宾语、复合谓语等，如：It is a good thing for him to have been criticized.（ ）She preferred to have been given heavier work to do. ( )He thought it an honor to have been invited to the party. （复合宾语）The book is said to have been translated into many languages. （复合谓语）She was the first woman to have been elected to such a post. （ ） （三）不定式的主动形式表示被动1．在 there be 结构中。例如：There is a lot of homework to do．2(也可用 to be done) There is no time to lose (to be lost).2．在...
