高一英语Wildlife protection ppt课件

  • 发布时间:2021-03-08
  • 课件大小:116 KB
  • 所属栏目:高一英语
  • 课件格式:.rar(压缩解压).ppt(使用格式)
  • 课件等级:高一英语Wildlife protection ppt课件推荐等级为2星
  • 简略标题:Wildlife protection
  • 应用环境:多媒体教学
  • 制作使用:PowerPoint
  • 应用阶段:通用版本

高一英语Wildlife protection ppt课件介绍

高一英语Wildlife protection ppt课件内容预览:Period 3 GrammarⅠ.观察下面的句子1.We're being killed for the wool beneath our stomachs.2.Our fur is being used to make sweaters for people like you.3.So good things are being done here to save local wildlife.现在进行时的被动语态以上句子都为_______________________。其基本结构为:____________________。表示“某人或某事正在被……”,强调主语是动作的承受者,即主谓之间为被动关系。答案:现在进行时的被动语态;is/am/are/+being done【归纳拓展】现在进行时被动语态的否定形式:1.be(am/is/are)+not+being+doneOak trees are not being cut down these days.这些天没有人砍伐橡树。2.现在进行时被动语态的疑问形式:be(am,is,are)+主语+being+doneIs a new lake being built in the park?公园里正在建造一个新湖吗?3.现在进行时被动语态的特殊疑问句形式:疑问词(作主语)+is being+done疑问词(作定语)+名词+is/are being+done疑问词+is(are)+主语+being+doneHow many buildings are being built in the town?城镇里有多少大楼正在建设?Ⅱ.用法1.表示说话瞬间正在进行的动作。My bike is being repaired now.我的自行车正在被修理。2.表示现阶段正在进行的动作。A new teaching building is being built in our school.在我们学校一座新教学楼正在被建造。3.表示一种习惯的被动行为,常带有赞扬、羡慕、讨厌等感情色彩。“Why are you always being punished by your teacher?”Mother asked.母亲问道:“你为什么总是被老师惩罚?”4.表示按计划、安排,主语将要承受某个动作(少数及物动词)。An English evening is being held tonight.今晚将要举行英语晚会。【归纳拓展】各种时态的被动语态语态有两种:主动语态和被动语态。主语是动作的发出者为主动语态;主语是动作的承受者为被动语态。被动语态由助动词be+过去分词构成。Ⅰ.句型转换1.According to the report,the new railway station in Qingdao looks very western.________________________________the new railway station in Qingdao looks very western.2.The city officials have made a plan to turn Beijing into a green city.A plan ________________________to turn Beijing into a green city.3.The volunteers are collecting money to help set up a library.Money ________________________by the volunteers to help set up a library.4.The People's Republic of China came into being on October 1,1949.The People's Republic of China ________________on October 1,1949.5.By 2015, China will have built more miles of railway.By 2015,more miles of railway ________________________________by China.【答案】1.It is reported that 2.has been made 3.is being collected 4.was founded 5.will have been builtⅡ.单句改错1.Someone has been heard enter the next room.________2.This book is well worth being read.________3.It has decided that they can take whatever they like.________4.Pay attention to make notes when attending lectures.________5.The sick child must be taken good care.________【答案】1.enter 前加to 2.being read 改为reading3.decided 前面加been 4.make 改为making5.care 后加ofⅠ.句型转换1.We are discussing whether we will go to the zoo next week.(变为被动语态)________________________________________________2.The children are planting trees near the river.(变为被动语态)________________________________________________3.A bridge is being constructed now.(变为同义句)________________________________________________4.When did you buy this book?(变为被动语态)________________________________________________5.A heavy basket full of apples is being carried by Tom.(变为主动语态)________________________________________________【答案】1.Whether we will go to the zoo next week is being discussed (by us)./It is being discussed whether we will go to the zoo next week.2.Trees are being planted near the river by the children.3.A bridge is under construction now.4.When was this book bought (by you)?5.Tom is carrying a heavy basket full of apples.Ⅱ.汉译英1.越来越多的树正被栽种。________________________________________________2.一个新公共汽车站正在建设中。________________________________________________3.他总被别人帮助。________________________________________________4.今晚有场演讲吗?________________________________________________5.谁的房间正在被粉刷?________________________________________________【答案】1.More and more trees are being planted now.2.A new bus station is being built/under construction.3.He is always being helped by others.4.Is a speech being held tonight?5.Whose room is being painted?Ⅲ.用括号内所给单词的正确形式填空。Scientists say that the total number of species 1.________(loss)each year may reach 40,000. If nothing 2.________(do),we may find ourselves alone on this planet in future.The Malayan sun bear (马来熊)is among the animals that need our help. They live in forests that 3.________(destroy)by people who are cutting down the trees and 4.________(use)the land for farming. Their cutting down the trees to build roads also makes 5.________easier for 6.________(hun

课件关键字:wildlife,protection

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