Unit 4 Wildlife Protection现在进行时被动语态（学生版）

现在进行时的被动语态 The passive voice of present progressive一．温故而知新1. 用所给单词的适当形式填空1) The task is to _________ ___________ (finish) in 10 minutes.2) If you break the rules, you will ________ _____________ (punish).3) My bike _______ ______ _______ (leave) at school, so I have to take the bus to school today. 4) My computer _______ ________ _________ （repair）already．归纳：这是 U2,U3 我们学过的 ， （时态）的被动语态。2. 复习现在进行时的主动语态1) Tom and his father are hunting deer in the forest now. 结构：___________________, be 应为助动词,它应与主语的人称和数保持一致。2)用法：① 表示现在( 指说话人说话时) 正在发生的事情。 如：They (play) basketball now.② 表示现阶段正在进行的动作，说话时动作未必正在进行。且此时有 this week, these days 等时间状语，这时常用现在进行时， 如： We (make) model planes these days.③ 已经确定或安排好的将来活动。(常用于表示“位移”的动词：come, leave, arrive, fly 等) 如：They (leave) for New York tomorrow. 明天他们将要动身前往纽约。二. 现在完成时被动语态的构成句式例句构成肯定句She is being examined by a doctor now. be being done否定句Some animals are not being protected well enough these years.一般疑问句Is this bridge being repaired now?特殊疑问句How many bridges are being built in Huazhou right now?归纳：:现在进行时的被动语态由 + + 构成，助动词 必须与主语在人称和数上保持一致。常和时间状语：now, at this time, these days 等连用。注意: 不可遗漏 being, 如果把 being 漏掉，就成为一般现在时的被动语态或系表结构。1Eg: Look, the children are being taken care of by their aunt. (现在的情况） Children are taken good care of at school. (通常的情况）练习：1. those TV sets these days? (check)这些天，那些电视机正在被检测吗？2. We are sorry to know that the endangered animals ________ __________ _________ ____________well now. (没有被保护好)3. ...