Period 4: Grammar学习目标:1. 一般现在时和现在进行时的用法及区别2. 以ed 和ing 结尾的形容词的用法3. 利用例句归纳出语法规则学习重点:一般现在时和现在进行时的区分及在语句中的运用学习难点:利用例句归纳出语法规则课前预习使用说明与学法指导:1. 利用例句归纳出语法规则2. 15 分钟之内完成预习自测:用所给词的适当形式填空(1)I wonder whether the soldier is one of those who abroad to keep peace.(send)(2)Quantities of precious jewelry buried deep in the earth.(find)(3)A poet and artist to speak to us about Chinese literature and painting tomorrow afternoon.(come)(4)Students taking the course to finish their homework with the help of computers.(encourage)(5)A book recording former Chinese President Jiang Zemin’s overseas visits from 1990 to 2002 at Beijing Diaoyutai State Guesthouse.(release)我的疑问:__________________________________________________________________________________________________________________________________________课内探究质疑探究:动词的被动语态语态(Voice)是动词的一种形式,它表示句子的主语和谓语动词之间的关系。语态通常分为主动语态和被动语态。被动语态(Passive Voice)表示句子的主语是动作的承受者。其句子的谓语动词是:be + v-ed 形式。由于语态是动词的一种形式,它只表示句子的主语和谓语动词之间的关系,它没有表示动作发生的时间和方式,因此,被动语态形式的句子,仍然有各种时态变化。由于构成被动语态的行为动词变成了动词-ed 形式,所以,被动语态句子的时态都要体现在助动词 be 上。1. 被动语态的构成1) 一般现在时 am/is/are + v-ed You are wanted on the telephone. 有人给你打电话。2) 一般过去时 was/were + v-ed The book was finished last week. 这书是上周写完的。3) 一般将来时 will be + v-ed You’ll be allowed to go out tomorrow. 明天让你出去。4) 现在进行时和过去进行时 ①The building is being built. 1 这幢楼正在建设之中。②The bikes were being repaired. 那时正在修自行车。5) 现在完成时和过去完成时①This book has been translated into English. 这本...