（精品）初中英语语法讲与练（一）——被动语态.docVIP

21世纪教育网 精品试卷·第 PAGE 2 页 （共 NUMPAGES 2 页） PAGE1 / NUMPAGES6 被动语态 学习目标:掌握被动语态结构以及时态变换 预习导学：举例把字句和被字句 知识梳理 一．被动语态的句法功能 1. 当不知道谁是动作的执行者，或没有必要指出谁是动作的执行者时。 e.g.: Japanese is taught in that school. (类似warming up中的“饭吃过了”，英汉说话习惯的相似性) 2. 当需要强调动作的承受者而不是执行者时。 e.g.: Her book will be brought tomorrow morning. 看图学知识，来发挥你的潜力吧，找到主动变被动语态的小技巧！！ He can carry the basket. The basket can be carried by him. They can sing some beautiful songs. Some beautiful songs can be sung by them. 总结：上面例句的小规律： △ 主动语态变为被动语态的方法： 主动语态： 主语 + 谓语动词 + 宾语 （执行者） （承受者） 被动语态： 主语 + be + 过去分词（+ by + 执行者） （承受者）一般省略 【例题精讲】 例1.Children (not allow) to play frightening games. 例2. The Great Wall (know) by people all over the world. 例3. All the buildings (turn) into hospitals recently. 例4.How long can these magazines (keep)? Keys:1.aren’t allowed 2.is known 3.have been turned 4.be kept 【课堂练习】 提高题： 1. The vegetables (plant) in the fields next week. 2. The soldier was very ill when he (operate) on by Dr. Bethune. 3. The password of your email box should (memorize). . 4. Liquids can (turn) into gases if their temperatures (make) hot enough. 5. The next morning they (find) that some trees (blow) down during the night. Keys:1.will be plated 2.was operated 3.be memorized 4.turn,are made 5.will find ,will be blown 二、被动语态的构成 被动语态的基本结构：be+动词的过去分词 各种时态的主动、被动语态的结构如下表（以动词do为例） 时态 主动语态 被动语态 一般现在时 do/does am/is/are +done 一般过去时 did was/were +done 现在进行时 am/is/are +doing am/is/are +being done 现在完成时 have/has +done have/has +been done 一般将来时 will/shall/be going to +do will/shall/be going to +be done 过去进行时 Was/were +doing was/were+ being done 过去完成时 had + done had + been done 过去将来时 would/should/be going to+ do would/should/be going to +be done 含有情态动词 can/may/must +do can/may/must+be done 三、被动语态的易错点 1.