Unit 4 Wildlife Protection Grammar学案

现在进行时的被动语态

　　语法图解

　　探究发现

　　①It is reported that many a new house is being built at present in the disaster area.

　　②The plan is not being discussed at the meeting now.

　　③Isthe house you bought last month being decoratednow?

　　④What is being done to the machine?

　　[我的发现]

　　(1)以上例句中都用了现在进行时的被动语态，其谓语构成是：am/is/are＋being＋done。

　　(2)以上例句中第①句是现在进行时被动语态的肯定句式；第②句是否定句式；第③句是一般疑问句式；第④句是特殊疑问句式。

　　一、含义

　　现在进行时的被动语态表示现在或现阶段正在进行或发生的被动动作，强调主语是动作的承受者。

　　二、结构

　　1．肯定式：主语＋am/is/are ＋being done

　　Some trees are being cut down in the park.

　　公园里的一些树木正在被砍伐。

　　2．否定式：主语＋am/is/are＋ not being done

　　It is reported that the water in the lake is not being protected now.

　　据报道，这个湖里的水现在没有得到保护。

3．一般疑问式：Am/Is/Are (not)＋主语＋being done