《高中英语 Unit 4 Wildlife protection Section 2 Learning about Language课件 新人教版必修2》由会员分享，可在线阅读，更多相关《高中英语 Unit 4 Wildlife protection Section 2 Learning about Language课件 新人教版必修2（18页珍藏版）》请在金锄头文库上搜索。
1、英语英语必修必修 人教版人教版新课标导学新课标导学新课标导学新课标导学Unit 4Wildlife protectionSection Learning about Language 2 2自自主主预预习习3 3合合作作探探究究4 4巩巩固固提提升升5 5课课 时时 作作 业业1 1语语法法精精讲讲语语 法法 精精 讲讲现在进行时的被动语态自自 主主 预预 习习用动词的适当形式填写下面教材中的句子并体会它们的共同特征。1We _ (正在被杀死) for the wool beneath our stomachs.2Our fur _ (正在被使用) to make sweaters for p
2、eople like you.3I wonder what _ (正在被做) to help you.4Daisy turned around and found that she _ (正在被注视)by an elephant.5So good things _ (正在被做) here to save local wildlife.are being killedis being usedis being donewas being watchedare being done合合 作作 探探 究究主动语态变被动语态的原则“三变”：原句主语变为by短语，宾语变为主语，谓语由主动变为被动；“三不
3、变”：原句意思不变，原句时态不变，原句主谓宾以外成分不变。They are building nine parks.Nine parks are being built.(被动句)How many parks are being built？(特殊疑问句)用所给单词的正确形式填空。They are living with their parents for the moment because their own house _ (rebuild)Have you moved into your new house?Not yet.The rooms _ (paint)完成句子。The bab
4、y _.这个婴儿现在没得到很好的照顾。How many houses _ in the village?村里正在建造多少房屋？is being rebuiltare being paintedisnt being taken good care ofare being built二、现在进行时的被动语态的基本用法1表示此刻正在进行的被动动作，常与now，look等词连用。She is being examined by the doctor now.现在她正在被医生检查。2表示现阶段正在进行的被动动作，但此动作不一定在此时此刻发生。The life of the panda is being
5、studied at present.现在正在研究大熊猫的生活情况。3表示按计划、安排主语将要承受某个动作。Some rock music is being played by them next.下面将由他们演奏一些摇滚音乐。4表示经常的被动行为，常和always，often，constantly等词连用。(表达某种感情色彩)Tom is always being praised by the teacher.汤姆总是受到老师的表扬。单句语法填空。Have you handed in your schoolwork yet?Yes，I have.I guess it _ (grade) no
6、w.Would you please keep silent? The weather report _ (broadcast) and I want to listen.Preparations _ (make) for the meeting and everything will be ready in half an hour.Im sure the experiment which _ (do)at the moment will be a great success.is being gradedis being broadcastare being madeis being do
7、ne三、使用现在进行时的被动语态应注意的问题1在现在进行时的被动语态中be(am/is/are)为第一助动词，being为第二助动词，缺一不可，且位置不可互换。(2016全国卷)But now that information is being spread and monitored in different ways，researchers are discovering new rules.但是既然信息正在以不同的方式被扩展与监控，研究者正在发现新的规则。2像take care of，look after，talk about，think of 等动词与介词构成的短语用于现在进行时的被动
8、语态时，其中的介词不可省略。Something is being talked about among those people.在那些人中正谈论着某件事情。3“be(am/is/are) under/inn.”有时可相当于现在进行时的被动语态。The school is still under construction now. The school is being built now.学校现在正在建设中。The new law is in use.The new law is being used.这项新法律正被使用。4有些表“状态，心理活动，情感”等的动词，常用一般现在时的被动语态表示
9、“正在进行”。You are wanted on the phone.有人打电话找你。Cell phones are becoming more and more popular.In other words，they are loved by more and more people.手机越来越受欢迎，换句话说，它们越来越受人们的喜爱。单句改错。The countryside is gradually swallowed up by new development now. ()The patients are being taken care by the nurses.()Will you go with me to see the film that is shown tonight？()Thousands of families are fleeing their homes because their country is under attacked. ()The man has broken the law.Now he is being wanted by the police. ()gradually后加beingcare后加 ofis后加beingattackedattack去掉being
