中小学教育资源及组卷应用平台 Unit 4 Grammar 基础篇 一、基础知识夯实 A、以do 为例写出下面各种时态的被动语态 时态 被动语态 一般现在时 am / is / are done 一般过去时 现在进行时 过去进行时 一般将来时 现在完成时 【答案】was / were done am / is / are being done was / were being done will / shall be done has / have been done A 含有情态动词的被动语态 基本结构：情态动词+_____+_____。 否定句： 情态动词+_____+ be+过去分词。 疑问句： 情态动词+_____+be+过去分词。 【答案】be 过去分词, not, 主语 点对点练习 1.这项工作必须今天完成。 The work must_____ _____ today. 2.所有的花都应该一天浇两次水。 All the flowers _____ _____ _____ twice a day. 3.这些不能将书带出室外。 The books_____ _____ _____ _____ of the room. 4.这可以由机器来做吗？ Can this _____ _____by machine 5.应该什么时候喂狗？ When should the dog _____ _____ 【答案】1.be finished 2.should be watered 3.can’t be brought out 4.be done 5.be fed B 现在完成时的被动语态 基本结构：_____ / _____ been +过去分词。 否定句： have / has _____ been +过去分词。 疑问句：have / has +主语+been+过去分词。 【答案】have /has， not 点对点练习 1.信已写好了。 The letter_____ _____ _____ . 2.会议日期还没定。 The date of the meeting _____ _____ _____ yet. 3.最后三道数学题还没解出来。 The last three maths problems _____ _____ _____ _____. 4.所有的画都画好了吗？ _____ all the pictures _____ _____ 【答案】1.has been written 2.hasn’t been decided 3.haven’t been solved 4.Have been drawn 二、单项选择。 1. Personal information _____ before the meeting starts. A. must check B. must to check C. must be checked D. must have checked 【答案】C 【解析】句意：在会议开始前，必须检查个人信息。主语“Personal information”与动词check之间是动宾关系，结合“must”可知用含情态动词的被动语态，其结构为must be done。故选C。 2. — What should we do first if we want to develop our village — First of all, a new road _____, I think. A. must build B. has to build C. must be built D. has built 【答案】C 【解析】考查被动语态的用法。当主语是动作的承受着时要用被动形式。这里a new road是动词build的承受着。所以要用被动语态。含情态动词的被动语态构成；情态动词+be+PP.故答案选C 3. Some people think trees _____ on both sides of this road. A. should be planted B. should plant C. should be planting D. be planted 【答案】A 【解析】考查被动语态的用法。当主语是动作的承受着时要用被动形式。这里tree是动词plant的承受着。所以要用被动语态。含情态动词的被动语态构成；情态动词+be+PP.故答案选A 4. This English song _____ by the girls after class. A. often sings B. often sang C. is often sang D. is often sung 【答案】D 【解析】考查一般现在时被动语态的结构为be动词+动词过去分词，歌是被唱的，故选D。 5. Attention, please! All the mobile phones ____ during the meeting. A. must be kept off B. are keeping off C. kept off D. have kept off 【答案】A 【解析】考查被动语态的用法。当主语是动作的承受着时要用被动形式。这里All the mobile phones“所有手机”是动词keep off（关机）的承受着。所以要用被动语态。含情态动词的被动语态构成；情态动词+be+PP.故答案选A 6.Many of the stars _____ because they are far aw ... ...
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