Unit 2 Wildlife protection Discovering Useful Structures ppt课件-（2019）新人教版高中英语必修第二册 .ppt

1、Unit2Discovering Useful Structures 现在进行时的被动语态现在进行时的被动语态Lets do a review about the Passive VoicePassive Voice 被动语态被动语态I believe I can flyThis song is enjoyed by people all over the world.English is spoken by the most people in the world.is spoken people EnglishThe Great Wall was built by Chinese peop

2、le. The Great wall builtThe trees were planted by students. trees planted 英语动词有两种语态： 主动语态 (the Active Voice) 被动语态(the Passive Voice)What is it?A. 主动语态表示主语是动作的主动语态表示主语是动作的执行者执行者。B. 被动语态表示主语是动作的被动语态表示主语是动作的承受者承受者。We planted the tree.The tree was planted by us.被动语态被动语态结构：结构：be + 过去分词过去分词(P.P) + (by ) L

3、earn the present progressive passive voice. Do some exercises to practice it.Teaching aims912 African elephants are being hunted.非洲大象正在被猎杀。非洲大象正在被猎杀。 What is being done to help them? 现在可以做些什么来帮助现在可以做些什么来帮助它们呢？它们呢？ What measures are being taken to help them? 现在可以采取哪些措施来帮助它们呢？现在可以采取哪些措施来帮助它们呢？一、含义与结构一

4、、含义与结构13(1)现在进行时的被动语态表示说话人说话时或现阶段某事现在进行时的被动语态表示说话人说话时或现阶段某事_。(2)现在进行时的被动语态的构成：现在进行时的被动语态的构成：bebeingdone (_)；“be being done” 中的中的动词动词_应随主语作相应的变化。应随主语作相应的变化。现在进行时的被动语态中不能漏掉现在进行时的被动语态中不能漏掉“_”。正在被做正在被做过去分词过去分词bebeing14二、形式二、形式These cars are being repaired now. These cars are being repaired now. 这些车正在被修理

5、。这些车正在被修理。The tiger is not being set free at present.目前这只老虎没有被放出。目前这只老虎没有被放出。Are milu deer being sent to China from Britain? 麋鹿是从英国运到麋鹿是从英国运到中国的吗？中国的吗？What is being done for the milu deer? 现在为麋鹿正在做些什么呢？现在为麋鹿正在做些什么呢？15What can you find?现在进行时的被动语态的主要形式有：肯定式；否定式；疑问现在进行时的被动语态的主要形式有：肯定式；否定式；疑问式。它们的具体构成如下

6、：式。它们的具体构成如下：(1)肯定式：主语肯定式：主语_(2)否定式：主语否定式：主语_(3)疑问式：疑问式：_疑问式疑问式“Am/Is/Are(not)主语主语being done”；_疑问式疑问式“特殊疑问词特殊疑问词am/is/are(not)being done”。am/is/arebeing doneam/is/arenotbeing done一般一般特殊特殊16三、用法三、用法1.基本用法She is being examined by the doctor now.她现在正在接受医生她现在正在接受医生的检查。的检查。Look! The children are being ta

7、ken care of by their aunt.看！孩子们正由他们的姑妈照顾看！孩子们正由他们的姑妈照顾。17(1)表示表示_正在进行或发生的被动动作，常与正在进行或发生的被动动作，常与now, right now, at present, at the moment等时间状语词连用。等时间状语词连用。A new factory is being built.一座新的工厂正在建设中。一座新的工厂正在建设中。They are being taught English at present.目前他们正在被教学目前他们正在被教学英语。英语。(2)表示表示_或或_正在进行的被动动作，正在进行的被动

8、动作，但这一被动动作在此时此刻不一定正在发生。但这一被动动作在此时此刻不一定正在发生。现在现在现阶段现阶段目前这段时间目前这段时间What can you find?18Tom is always being praised by the teacher.汤姆总是被老师表汤姆总是被老师表扬。扬。He is often being bullied by other boys.他经常被别的男孩子欺他经常被别的男孩子欺负。负。表示一种表示一种_的被动行为，常与的被动行为，常与always, often等等词连用，往往带有赞扬、责备、厌烦或埋怨等感情色彩。词连用，往往带有赞扬、责备、厌烦或埋怨等感情色

9、彩。经常性或习惯性经常性或习惯性192.特殊用法特殊用法The problem is under discussion now. The problem is being discussed now.这个问题正在讨论中。这个问题正在讨论中。Some rock music is being played by them next.下面将由他们演奏一些摇滚音乐。下面将由他们演奏一些摇滚音乐。John is not here. He must be being interviewed.约翰不在这里，他一定正在接受采访。约翰不在这里，他一定正在接受采访。20(1)“_”的结构可以表示现在进行时的被动的

10、结构可以表示现在进行时的被动语态的含义。语态的含义。( 2 ) 少 数 及 物 动 词 的 进 行 时 的 被 动 语 态 表 示 某 物少 数 及 物 动 词 的 进 行 时 的 被 动 语 态 表 示 某 物_将要承受某个动作。将要承受某个动作。(3)含情态动词的现在进行时的被动语态表示对现在正在发生含情态动词的现在进行时的被动语态表示对现在正在发生的被动行为的的被动行为的_。beunder/in/onn.按计划、安排按计划、安排推测推测What can you find?21Have a try!1.用所给词的适当形式填空用所给词的适当形式填空An interesting experim

11、ent _(carry) out now.We can hear that the papers _(print) quickly on the fast-moving printing machines.What you _ (tell) is true.Some animals _ (not protect) well enough.is being carriedare being printedare being toldare not being protected222.同义句转换同义句转换They are studying the life of the panda at pre

12、sent.The life of the panda _ at present by them.The doctor is operating on the patient inside now.The patient _ by the doctors inside now.Are they building the bridge at present?Is the bridge _ by them at present?is being studiedis being operated onbeing builtHave a try!233.单句语法填空单句语法填空/补全句子补全句子A lo

13、t of wild animals _ (kill) by hunters in Africa today.I have to go to work by taxi because my car _ (正在正在修理修理)at the garage.How many bridges _ (正在修建正在修建) in the village now?Look! The foreign guests _ (正在被带领参正在被带领参观观) the factory by Mr. Zhang.are being killedis being repairedare being builtare being

14、shown aroundHave a try!244.补全句子补全句子/同义句转换同义句转换/一句多译一句多译Do you know what Smith is doing?He is ill. He _by the doctor.你知道史密斯正在做什么吗？你知道史密斯正在做什么吗？他病了。他可能正在接受医生的检查。他病了。他可能正在接受医生的检查。Many new cars are on show.Many new cars _.may be being examinedare being shownHave a try!25I.用现在进行时的被动语态补全或翻译句子用现在进行时的被动语态补全

15、或翻译句子1.Preparations are being made for the 2022 Winter Olympic Games in Beijing.北京正为北京正为2022年冬奥会做准备。年冬奥会做准备。2.Our classroom is being painted by the workers.我们的教室正由工人们粉刷。我们的教室正由工人们粉刷。3.Is the problem being paid attention to by the government now?这个问题现在被政府重视吗？这个问题现在被政府重视吗？Consolidation264.新的科学博物馆正在哪里建

16、造？新的科学博物馆正在哪里建造？Where is the new science museum being built?5.正在采取一些措施来保护野生动物。正在采取一些措施来保护野生动物。Some measures are being taken to protect the wild animals.27.用现在进行时的被动语态完成下列语段用现在进行时的被动语态完成下列语段Ladies and gentlemen, welcome to our city. Look! Many a building 1.is being built(正在建造正在建造) now in the center o

17、f the city. More than one subway 2.is also being constructed (正在被建设正在被建设). Its said that at least a new stadium and a new swimming pool 3.are being designed(正在被正在被设计设计) by the City Construction Company. Well, as you can see, the trees and flowers 4.are being planted (正在栽种正在栽种) on each side of the roads. 5.Is the city being planned (这座城市被规划这座城市被规划) to develop into a big city? The answer is yes. Imagine that you 6.are being shown around (被领着参观被领着参观) the city again in the future. Arent you happy with that? Lets just wait and see!