人教新目标版九年级全册Unit6When was it invented? Section A Grammar Focus-4c 教案（表格式）

Unit 5 What are the shirts made of
SectionA (Grammar Focus-4c)教案
年级： 班级： 授课老师：
科目： 第__单元第___课时 年级组长：
教学内容：本节课是语法课，主要是总结一般过去时态的被动语态的相关的语法知识，练习使用一般过去时态的被动语态。
三维教学目标
知识目标 学生能够认读识记下面的新单词和短语，理解它们的意思和用法。 新单词：fridge, low, translate, lock, ring, earthquake, sudden, bell, biscuit, cookie, musical, instrument 短语: at a low voice, advise sb. not to do, translate... into, all of sudden, break the rule 学生能掌握下面的重要句子。 --When was the zipper invented --Who was it invented by --When was tea brought to Korea --What is the hot ice-cream scoop used for 3.学生们能理解一般过去时被动语态的意义、构成，能熟练使用被动语态结构。
能力目标 1.同学们能完成课堂任务，能理解一般过去时态的被动语态相关的相关语法知识，能正确使用该句型。
情感目标 通过课堂活动，培养同学们探索理解和总结知识的能力
教学重难点
重点 同学们能正确理解目标语法知识，掌握重点单词，短语，句子。
难点 学生能够理解总结出一般过去时的各种句式（陈述句、否定句、特殊疑问句、一般疑问句以及肯定、否定）中被动语态的结构和用法。
主要教学步骤
Step 1: Lead-in Greet the class. Ask and answers. T:Who was the telephone invented by Ss:It was invented by ... T:When was the telephone invented Ss:It was invented in ... T: ... 【设计意图】通过问答环节，复习学过的有关被动语态的短语，导入本课时的语法。 .Step 2:Presentation Ask students to read the sentences loud in Grammar Focus . Ask students summarize the structure of the passive voice of the past tense by themselves. Invite several students to share their summaries.Let other students supplement. Explains the passive voice of the past tense and the different patterns of passive voice and show students how to change the active voice into the passive voice. Ensures that all students can understand. Make students practice them in pairs. 【设计意图】先让学生自己总结一般过去时的被动语态的相关要点。然后老师再来解释一般过去时被动语态的陈述句、否定句、特殊疑问句、一般疑问句以及肯定否定回答。这样可以让学生印象更加深刻，掌握的更加牢固。 Step3: Practice 1.Complete the task in 4a. Ask students to rewrite the sentences using the passive voice. (1)They sold the fridge at a low price. __________________________________________________ (2)Somebody stole my camera from my hotel room. ___________________________________________________ (3)Where did you take these photos __________________________________________________ (4)Our parents advised us not to go out alone. ___________________________________________________ (5)Different writers translated the book into different languages. After 5 minutes, check the answers. 2.Complete the task in plete the sentences with the correct forms of the verbs in the box. (1)You _____________ to the party last night, weren’t you Why didn’t you go (2)The earthquake happened all of a sudden, but luckily the villagers ________ to a safe place. (3) The door _________when we arrived, so we ______ the bell. (4) The students __________ not to eat or drink in class. But Ruby _______ the rule when she started eating a biscuit in science class. (5)The cookies ____________ by the hungry kids in less than 20 minutes, and they really ________ them. After 5 minutes, check the answers. 3.Complete the task in 4c. Decide whether active or passive forms should be used in these sentences. Write the correct forms in the blanks. The telephone _____________(invent) by Alexander Graham Bell. He __________ (born) in 1847. Mr. Bell ________ (work) on the invention of the telephone with Thomas Watson. In 1875, Mr. Bell _______ (learn) how to send musical notes through an instrument similar to a telephone. Finally, the telephone ____________ (invent) in 1876. The first sentence that ________ (say) on the telephone by Mr. Bell was “Mr. Watson, come here; I want to see you.” Today the telephone ________ (use) around the world. After 5 minutes, check the answers. 【设计意图】利用所学的被动语态知识，完成4a、4b和4c的练习，巩固加深所学的知识。 Step4: Production Make Ss read the passage and retell 4c. 【设计意图】让学生复述4c，练习口语，进一步巩固一般过去时被动语态的用法。 Step5: Homework 用所给单词的正确的形式填空。 1. The pizza was ______ (make) by me. Would you like to have some 2. The Great Wall is ________ (know) all over the world. 3. This story was ______ (tell) by my grandmother last night. 4. Was a new science museum _____(build) in your hometown last year 5. No student is _______(see) in the playground. 二、将下列句子变为被动语态。 1. My parents bought me a computer last week. 2. We often hear the girl sing happily in her room. 3. He wrote an article last week. 4. He saved a lot of money this summer. 5. We spend large sums of money each year in painting the steelwork of bridges.
板书设计: Unit 6 When was it invented Section A (Grammar Focus-4c) 1. Key words and phrases: fridge, low, translate, lock, ring, earthquake, sudden, bell, biscuit, cookie, musical, instrument, at a low voice, advise sb. not to do, translate... into, all of sudden, break the rule 2.Important sentences: --When was the zipper invented --Who was it invented by --When was tea brought to Korea --What is the hot ice-cream scoop used for
小结: Main language points： 一般过去时的被动语态用法 all of a sudden luckily
家庭作业: Review the new words, phrases, important sentences and main language points . Practice using the passive voice of the past tense.