Wildlife-ProtectionSectionⅣ.pptx

1Unit 2Wildlife ProtectionSection Discovering Useful Structures第1页2现在进行时被动语态第2页3现在进行时被动语态是中学英语语法中一个非常主要英语时态，它属于现在时态。African elephants are being hunted.非洲大象正在被猎杀。What is being done to help them?现在能够做些什么来帮助它们呢？What measures are being taken to help them?现在能够采取哪些办法来帮助它们呢？一、含义与结构合作探究第3页4自主发觉1(1)现在进行时被动语态表示说话人说话时或现阶段某事_。(2)现在进行时被动语态组成：bebeingdone(_)；“be being done”中动词_应随主语作对应改变。名师提醒现在进行时被动语态中不能遗漏“_”。正在被做过去分词bebeing第4页5二、形式合作探究Were being killed for the wool beneath our stomachs.我们因我们肚子底下羊毛而正被杀害。The tiger is not being set free at present.当前这只老虎没有被放出。Are milu deer being sent to China from Britain?麋鹿是从英国运到中国吗？What is being done for the milu deer?现在为麋鹿正在做些什么呢？第5页6自主发觉2现在进行时被动语态主要形式有：必定式；否定式；疑问式。它们详细组成以下：(1)必定式：主语_(2)否定式：主语_(3)疑问式：_疑问式“Am/Is/Are(not)主语being done”；_疑问式“特殊疑问词am/is/are(not)being done”。am/is/arebeing doneam/is/arenotbeing done普通特殊第6页7三、使用方法1.基本使用方法合作探究She is being examined by the doctor now.她现在正在接收医生检验。Look!The children are being taken care of by their aunt.看！孩子们正由他们姑妈照料。第7页8自主发觉3合作探究自主发觉4表示_正在进行或发生被动动作，常与now,right now,at present,at the moment等时间状语词连用。A new factory is being built.一座新工厂正在建设中。They are being taught English at present.当前他们正在被教学英语。表示_或_正在进行被动动作，但这一被动动作在此时此刻不一定正在发生。现在现阶段当前这段时间第8页9合作探究自主发觉5Tom is always being praised by the teacher.汤姆总是被老师表彰。He is often being bullied by other boys.他经常被别男孩子欺负。表示一个_被动行为，常与always,often等词连用，往往带有赞扬、责备、厌烦或埋怨等感情色彩。经常性或习惯性第9页102.特殊使用方法合作探究The problem is under discussion now.The problem is being discussed now.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。John is not here.He must be being interviewed.约翰不在这里，他一定正在接收采访。第10页11自主发觉6(1)“_”结构能够表示现在进行时被动语态含义。(2)少数及物动词进行时被动语态表示某物_将要承受某个动作。(3)含情态动词现在进行时被动语态表示对现在正在发生被动行为_。beunder/in/onn.按计划、安排推测第11页12巩固内化1用所给词适当形式填空An interesting experiment _(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 protected第12页13巩固内化2同义句转换They are studying the life of the panda at present.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 built第13页14巩固内化3单句语法填空/补全句子A lot of wild animals _(kill)by hunters in Africa today.I have to go to work by taxi because my car _(正在修理)at the garage.How many bridges _(正在修建)in the village now?Look!The foreign guests _(正在被率领参观)the factory by Mr.Zhang.are being killedis being repairedare being builtare being shown around第14页15巩固内化4补全句子/同义句转换/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？他病了。他可能正在接收医生检验。Many new cars are on show.Many new cars _.may be being examinedare being shown第15页16今晚将要举行一场晚会。_A party will be held tonight.A party is going to be held tonight.A party is being held tonight.第16页17本节内容结束第17页