《Revision--Passive voice》教案7-九年级全一册英语【人教新目标版】.docx

Revision-Passive voice教学目标：知识与技能：复习动词的被动语态过程与方法：通过学生归纳总结练习达到知识的运用提高情态价值观：注重学习方法指导及应用能力的提高。教学重点：动词的被动语态教学难点：被动语态实际应用。教学过程一、课程导入：与小学语文课本中变“把”字句为“被”字句做类比二、知识梳理英语动词有两种语态：主动语态和被动语态。1 .当我们不知道谁是动作的执行者，2 .或者只需强调动作的承受者时，要用被动语态。被动语态结构:be +过去分词(PP) + (by )时态：1 . 一般现在时：am/is/are + pp2 .一般过去时：was (were) + pp3 .现在完成时：have/has been +pp4 . 一般将来时：will (shall) /be going to + be + pp5 .情态动词的被动语态：must (can, have to, may等)+ be + pp三、知识运用例1将下列句子改为被动语态。We clean our classroom every day.Our classroom is cleaned (by us) every day.在改写中应注意：1 .把原来的宾语提到前面作被动语态的主语；2 .把动词变成“be +过去分词”；3 .主动语态中的主语变为介词by的宾语。4 .遵循时态不变的原则一般现在时的被动语态：am/is/are +过去分词1. People play football all over the world.2. Mr. Green teaches us this term.Football all overthe world.We this term. 一般过去时的被动语态： was/were +过去分词3. People built the Great Wall long ago.4. Two years ago we used the machinesto make shoes for children.现在完成时的被动语态：have/has been + 过去分词5. People have planted many trees since March.Many trees by people since March.6. Mary hasn' t prepared for the exam yet.The exam by Mary yet.一般将来时的被动语态：will / be going to + be + 过去分词7. We will write a diary next class.8. Tom is going to hold a birthday party.情态动词的被动语态：must/have to/can 等 + be + 过去分词9. You must throw the broken glass away at once.10. We have to finish our homework on time.四、知识拓展思考L将下列的主动句变为被动语态：1. We gave him some books.He .一Some books .2. My mother buys a present for us.-A present.小 结 1:带有双宾语（宾语既有人又有物）的被动结构是：（1）将间接宾语（人）变为主语，直接宾语（物）不变。(2)将直接宾语(物)变为主语，一般要在间接宾语前加介词to或 for.思考2：1. I usually hear her sing English songs in the morning.Shein the morning.2. He makes her horse work all day.Her horse all day.3. My father let me go out for a picnic.1 out for a picnic.小结2 ：一些特殊结构的被动结构：(1)感觉动词(hear, see等)改被动语态(2)使役动词(let, make等)改被动语态如动词为make, see, hear, watch等，后接宾语补足语为不带“to”不定式时，变被动语态时要加上“to” o如：I saw him fall olf the tree.He was seen to fall off the tree.思考3:用动词适当形式填空。1. This kind of pen (write) very smoothly.2. Mooncakes(taste) delicious.3. This book is worth (read).4. My bike needs(repair).小结3：主动结构表示被动意义：1. write, read, sell, wash等词作不及物动词时，它们的主语为 物，可用主动语态表示被动意义。2. look, sound, taste, smell等系动词，用主动结构表示被动意3. 在be worth doing中，doing表示被动意义。4. need doing 相当于 need to be done.五、当堂小测试 请把下面句子改为被动语态1. They showed Jack carefully how to use it.2. Beijing will hold the 29th Olympic Games in 2008.3. Miss Deng teaches us English.4. We should make our country become more and more beautiful.5. Have you watered the flowers?请把下面句子改为被动语态1. They showed Jack carefully how to use it.2. Beijing will hold the 29th Olympic Games in 2008.3. Miss Deng teaches us English.4. We should make our country become more and more beautiful.5. Have you watered the flowers? ? 六、家庭作业 复习本课所学知识； 归纳要点，做好复习笔记； 完成本课的课时练习。