被动语态的基本结构.doc

被动语态的基本结构:1.一般现在时:主语+助动词 Be+及物动词的过去分词一般过去时: 主语+助动词 Be 的过去式 was/were+及物动词的过去分词Eg：(1) This kind of computer is made in that company .(2 ) Flowers were watered yesterday . 2. 以下几种情况用被动语态：( 1)不清楚谁是动作执行者时.eg：My book has been stolen.(2 )没有必要或不想说出动作执行者时.eg：Flowers are grown well there.(3 )强调动作的承受者时; eg: The CD-ROM has been sold out.3.及物动词能够成被动语态,不及物动词不能够成被动语态.只有这些,不及物动词与介词或副词构成不可分割的短语,并且带有宾语时,才能用被动语态.Eg: The children are looked after very well in the school .4.有些动词带有双宾语,变成被动语态时,两个宾语都可以作被动语态中的主语,但间接宾语作主语的较多.Eg; Kitty give me an apple. (改成被动式)An apple is given to me5.有些动词后接不定式作宾语原可省“to ”的，变被动语态时要加上“to ”。

Eg ；Her mother makes her read English once a day （变被动式）She is made to read English once a day 例如感官动词和使役动词：hear ，watch ，make ，help ，let ，see ，have ……）一些有关被动语态的知识点；1． 一般将来时：will / shall be + 及物动词的过去分词2． 现在进行时：am / is / are being + 及物动词的过去分词3． 过去进行时：were / was being + 及物动词的过去分词4． 现在完成时：have / has been + 及物动词的过去分词5． 过去完成时：had / been + 及物动词的过去分词:。