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.
③Is the house you bought last month being decorated now?
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：is＋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。
