1、5 Section Discovering Useful Structures现在进行时的被动语态一、现在进行时的被动语态的基本结构肯定结构be (am/is/are) being done否定结构be (am/is/are)notbeing done一般疑问结构be (am/is/are)主语being done特殊疑问结构特殊疑问词be (am/is/are)主语being doneA new library is being built now.一座新图书馆正在被修建。Some disabled children are not being looked after well enoug
2、h.目前一些残疾儿童没有受到足够好的照顾。Is the bridge being repaired now?现在那座桥在修吗？What is being done on the new medicine?目前正在针对这种新药物做什么？How many bridges are being built in the town?在这个镇里在建的桥有多少？二、现在进行时的被动语态的基本用法1表示正在进行或发生的被动动作，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表示现阶段或目前这段时间正在进行的被动动作，但这一
3、被动动作在此时不一定正在发生。The life of the panda is being studied at present.现在正在研究大熊猫的生活习性。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表示一种经常性或习惯性的被动行为，常与always，forever，continually，constantly等词连用，往往带有赞扬、责备、厌烦及埋怨等感情色彩。Tom is always being praised by the teacher.汤姆总是受到老师的表扬。三、
4、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。My computer is being repaired now.我的电脑现在正在被修理。(强调正在被进行)2像take care of，look after，talk about，think of等动词与介词构成的短语动词用于现在进行时的被动语态时，其中的介词不可省略。Something is being talked about among those people.那些人正谈论着某件事情。3“be (am/is/are)under/
5、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有些动词进行时的主动形式就可以表示被动的意思，常见的这些动词有：print，cook，fry，bake，burn，hang等。The house is burning.房子着火了。The meat is cooking.正在煮肉。5有些表“状态、心理活动、情感”等的动词，
6、常用一般现在时的被动语态表示“正在进行”。You are wanted on the phone.有人打电话找你。MP3 is becoming more and more popular.In other words，it is loved by more and more people.MP3越来越受欢迎，换句话说，它越来越受人们的喜爱。把下面的句子改成被动语态(每空一词)1The government is making great efforts to improve the living conditions of people.Great efforts are being mad
7、e to improve the living conditions of people by the government.2The farmers are cutting down the jungles in this area so quickly that the wild animals may lose their homes in the near future.The jungles in this area are being cut down by the farmers so quickly that the wild animals may lose their ho
8、mes in the near future.3People are hunting too many animals these years in some places.Too many animals are being hunted by people these years in some places.4The teacher is correcting the papers in her office.The papers are being corrected by the teacher in her office.5Our headmaster is preparing a
9、 speech now.A speech is being prepared by our headmaster now.6The family are building a new house over there.A new house is being built by the family over there.7The doctors are operating on his left leg.His left leg is being operated on by the doctors.8The farmers are harvesting crops in the field
10、with their faces covered with sweat.The crops in the field are being harvested by the farmers with their faces covered with sweat.9They are discussing whether they will go for a picnic tomorrow.Whether they will go for a picnic tomorrow is being discussed by them.10The government is protecting the tigers in the newlybuilt reserve.These tigers are being protected in the newlybuilt reserve by the government.
