现在进行时的被动语态 教案.doc

Unit 4 Wildlife ProtectionLearning about Grammar Teacher: Chen Yumei Teaching time: Mar 31th. 2013 Teaching place: Class16 Grade 1 No4 Middle School Teaching contents: Wildlife ProtectionLearning about Grammar Teaching Tape: New lesson一知识目标1. Get students to know the structure of the present progressive passive voice.2. Let students learn the usages of the present progressive passive voice.二能力目标Enable students to use the present progressive passive voice correctly.三情感目标Get students to become interested in grammar learning.四 教学重点Get students to master the structure and usages of the present progressive passive voice.五教学难点Enable students to learn how to use the present progressive passive voice correctly.六教学方法。1. Task-based teaching method2. Cooperative learning.七教学过程。Step1. Grammar revision1. The structure of the passive voice. Be + Ved (注意：三变：宾语变主语，主语变宾语加By, 谓语由主动变被动。 三不变：原句意思不变，原句时态不变，主谓宾以外的成分不变。)Turn the following into the passive voice.He looked after the little baby yesterday. The little baby was looked after by him yesterday.2. The structure of the present continuous tense.Be + ving eg: I am watching TV.Step2 Look at the following sentence and pay attention to the underline parts.1. We are being killed for the wool beneath our stomachs.2. Our fur is being used to make sweaters for people like you.3. I wonder what is being done to help you.4. Daisy turned around and found that she was being watched by an elephant.5. So good things are being done here to save local wildlife.Step3 Summary：现在进行时的被动语态1.构成：am/is/are (not) + being + V-过去分词2.意义： 正在被做.e.g: 1. They are building a new library now. 被动A new library is being built now.2. Some animals are being protected well. 否定句Some animals are not being protected well.3. The bridge is being repaired now. 疑问句Is the bridge being repaired now?用法：（1） 表示说话时正在进行的被动动作, 强调主语是动作的承受者。e.g. She is being examined by the doctor now.练习： 瞧！这个婴儿正由他的姑姑照料着。Look! The baby is being taken care of by her aunt.2) 表示现阶段正在进行的被动动作。但此时此刻不一定在进行的被动动作。E.g. Recently, a new building is being built outside our school.练习：目前，这个房子还在粉刷中。At present the house is being painting. 3、表示一种经常性或习惯性的被动行为，常与always, often, constantly连用，往往带有赞扬、责备、厌烦及埋怨等感情色彩。 e.g. Tom is always being praised by the teacher练习： 我们教室的那扇窗经常被打破。The window of our classroom is often being broken.4)与情态动词连用，表示对现在正在发生的被动行为的推测。e.g. John is not here . He must be being interviewed练习：李华的父亲此刻可能正在揍他。Lihua may be being beaten by his father at the moment.Step 4即学即练1. The milu deer _ at the research center at present.A. was being studied B. will be studiedC. is being studied D. have been studied2. The boys look very happy because they are listening to the music _ on the radio.A. that is being broadcast(广播) B. that will be broadcastC. that was being broadcast D. that has been broadcast3.Where is the panda? It_ by the doctor.A. was being examinedB. is being examinedC. will be examined D. has been examined4. The world_ by man himself now.A. is being destroyed B. are being destroyedC. has been destroyed D. will be destroyed5. These computers_ , they cant be used now.A. are being mended B. is being mendedC. is mended D. are mended6. A new cinema _ here. They hope to finish it next month. A. will be built B. is built C. has been built D. is being built7. I dont know what time is it know. My watch_ . A. is repairing B. has b