九年级上Unit5教案一、语法——被动语态主动语态和被动语态 主动：主语是动作的执行者语态 被动：主语是动作的承受者，动作的执行者由by引起的短语，表示“被”eg. Granny takes care of the girl. (主动语态) The girl is taken care of by granny. (被动语态)被动语态的构成：be + 过去分词 + (by) 人称、数、时态变化eg. English is widely used around the world.句型：肯定句： 主语 + be + 过去分词 否定句： 主语 + be + not + 过去分词 一般疑问句：be + 主语 + 过去分词 + by 特殊疑问句：特殊疑问词 + be + 主语 + 过去分词 + by练：Cars are made by them.否定句：_____________________________疑问句：_____________________________The program has been made already.否定句：_____________________________疑问句：_____________________________被动语态的时态一般现在时的被动句型：主语 + am/is/are + 过去分词（+ by+…） eg. All the books are made by machines.The flowers are often watered by the old man.2) 一般过去时的被动句型： 主语 + was/were + 过去分词 （+ by+…）eg. The lab was built by the school in 1996.练： The students planted the trees yesterday. ______________________________________3) 一般将来时的被动句型： 主语 + will be + 过去分词（+ by+…）eg. A talk will be given by Mr Li tomorrow.练： Tom will invite me to the party next week.__________________________________________4. 主、被动的转换eg. I read English every day. (English is rea |
