Unit 3 Celebrations Lesson 3 Memories of Christmas 语法之被动语态课件-2023-2024学年高中英语北师大版（2019）必修第一册

必修一 unit3 语法之 被动语态 　 导 一、提问上节课所学内容 1. Congratulations to you on your promotion ！ 2. Can you account for your absence yesterday? 3. It is important for you to take comfort into account when you decide how to travel. 4. I attach great importance to this research. 2min 1. 恭喜你晋升！ 2. 你能解释一下你昨天为什么不在吗？ 3. 在决定以何种方式旅行时，把舒服因素考虑进去是很重要的。 4. 我认为这项研究十分重要。 二、翻译下面的句子 1. l wrote a letter to my father yesterday. 2. A letter was written to my father by me yesterday. 3. I will order him to leave. 4. He will be ordered to leave. 导 1. 昨天我给我的父亲写了一封信。 2. 昨天我给我的父亲写了一封信。 3. 我将命令他离开。 4.他将被命令离开。 问题1：找到句子的谓语 问题2：考虑主动被动关系，并观察谓语形式有什么不同 【学习目标】： 掌握被动语态的用法 思 1.什么是语态? 12mins 2.语态 语态是动词的一种形式，分主动和被动，用来说明主语和谓语之间的关系，主动语态主语是动作执行者，被动语态主语是动作承受者。 主动语态： do 被动语态： be done 灵魂叩问： 本节重点 4.被动语态的用法 阅读学案【知识衔接】和【基础感知】 3. 理解被动语态的变化过程 例句1：They are planting trees. Trees are being planted（by them）. 例句2：He broke his leg last month. (变为被动语态) His leg was broken (by him) last month. 议 一、小组讨论【知识衔接】中的问题 二、小组讨论【基础感知】中的任务二 三、小组阅读课文Lesson1，观察讨论找出课文中被动语态的句子，选3句你喜欢的写在学案上。 6mins 展 10mins 时态 构成形式（以do为例） 被动语态构成形式（以do为例） 一般现在时 一般过去时 一般将来时 现在进行时 过去进行时 现在完成时 过去完成时 含有情态动词 do/does be going to do will/shall do am/is/are doing was/were doing have/has done had done 情态动词 do did am/is/are done was/were done be going to be done will/shall be done am/is/are being done was/were being done have/has been done had been done 情态动词 be done 一 评 12mins 思考： 为什么用被动语态？何时使用被动语态？ 1. 强调动作的承受者； 2. 不知道动作的执行者； 3. 没必要指出动作的执行者； 4. 习惯用法。 二、单句语法填空1. The number of students studying Chinese there (increase) by 15% each year in recent years.2. They (ban) from playing on their home ground because of crowded trouble.3. When the accident happened, they (trap) in the lift.4. Using a computer, a photo can easily (transform) into a greeting card.5. A library with five thousand books (bui