2017年高考英语备考教学观摩_2017年高考英语备考：现在进行时的被动语态具体用法

现在进行时的被动语态
　　定义：现在进行时的被动语态表示此时此刻某事正在被做.
　　例如：
　　The sports meeting is being held in our school.
　　我校正在举行运动会.
　　Another bridge is being built over the Changjiang River.
　　长江上正在修建另一座大桥.
　　构成：be + being+过去分词
　　例如：
　　A number of Dongfeng trucks are being shipped abroad.
　　一批东风卡车正被运往国外.
　　用法：
　　1)“be being done” 中的动词be应随主语(sing./ pl.)作相应的变化.
　　2)将现在进行时的主动语态变为现在进行时的被动语态的关键是：把be doing变为be being done.
　　例1.The students are cleaning the classroom now.
　　→The classroom is being cleaned now.
　　现在学生们正在打扫教室.(are cleaning变为is being cleaned)
　　例2.The boy is counting some eggs.
　　→Some eggs are being counted.
　　那男孩正在数蛋.(is counting 变为 are being counted)
　　你也可以给他们对比讲一下：现在完成时

本文来源：https://www.wddqw.com/j2Vn.html