【语法】现在完成时被动语态.pdf
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1、 现在完成时的被动语态 一、现在完成时 现在完成时的基本结构 have/has+done 现在完成时的用法:(1)表示过去的动作对现在造成的影响或结果 I have spent all of my money(so far).(含义是:现在我没有钱花了.)My father has gone to work.(含义是:我爸爸现在不在这儿)(2)表示从过去的动作或状态,持续到现在,并有可能持续下去。或表示说话前发生过一次或多次的动作,现在成为一种经验,一般译为汉语“过”。可用于“How long?”句型中。He has taught here since 1981.(可能还要继续教)I have
2、nt seen her for four years.I have been to Beijing twice.How long has this film been on?常与现在完成时连用的时间状语(表示不明确的时间):for two days ;since 1997_;already/yet 已经 recently/lately ;twice (两次)/three times ever(曾经)/never ;ever since 从那以来;just 刚刚 so far/by now 到现在为止 in/during/over the past ten years 在过去的十年里;二、现在完
3、成时的被动语态 现在完成时被动语态的基本结构:have/has+_ done 现在完成时被动语态的否定结构:complete_ admit_ raise_ replace_ advertise_ solve_ 1.She has cleaned the windows.(改成被动语态)主语 谓语 宾语 The windows (by her).主语 谓语 2.He hasnt washed the dirty clothes.(改成被动语态)_ 将下列句子改成被动语态。1.Mary has locked the door.2.I have finished my homework.3.I ha
4、ve read this book many times.4.Tom has not repaired the computer.5.Jane has referred to the book.6.We have put up a notice on the wall.三、注意事项:1.与一般过去时的被动语态的区别。一般过去时的被动语态所表示的动作或 状态与现在没有联系,而现在完成时的被动语态则强调与现在的情况有联系。The library was built last year.这座图书馆是去年建成的。(只说明图书馆是建于过去)The library has been built.这座图书馆
5、已经建好了。(建于过去,对现在有影响,即现在有图书馆)The house was built last year.(划线部分提问)was the house built?(when/how long)The house has been built for two years.(划线部分提问)has the house been built?(when/how long)He got married in 2008.(划线部分提问)He has been married since 2008.(同上)_ _ 四、单选 1.Do you know the thief _ by the polic
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