【人教版】2016年英语选修六:Book 6 Unit 3 Grammar 课件
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高中英语 Unit3 第3课时 Grammar学案新人教版选修6Healthy Life Period3 Grammar –The Use of “It” (1)Learning aims: To master the structure and use of “it”Important point and difficult point: To learn to use “it” correctly and properly、使用说明及学法指导:1、自我学习同步测练P 的内容,完成预习案。
2、完成时间20分钟。
预习案Previewing Case Task1课文原句填空并分析所填单词在句中所充当的成分。
1、_________ is a beautiful day here and I am sitting under the big tree at the end of the garden、 ( )2、________ seems amazing that at my age I am still fit enough to cycle20 kilometers in an afternoon、 ( )3、________is my birthday in two weeks time and I’ll be82 years old! ( )4、Your mother tells me that you started smoking some time ago and now you are finding _______ difficult to give ______ up、 ( )5、Believe me,I know how easy __________is to begin smoking and how tough _________is to stop、 ( )6、This means that after a while your body becomes accustomed to having nicotine in_________、 ( )7、As you know,if you do the same thing over andover again,you begin to do _______ automatically、 ( )8、I didn’t know,for example,that __________could do terrible damage to your heart and lungs or that__________was more difficult for smoking couples to become pregnant、 ( )Task2 分析下列句中it的用法。
Unit3 A healthy lifeGrammar and Useful StructuresTeaching materialNSEFC Book 6 —— Unit 3Teaching aimsEnable the students to master the usage of it.Teaching important & difficult pointsHow to enable the students to know the usage of it.Teaching aidstape recorder, slidesTeaching proceduresStep1 RevisionComplete the passage with the suitable words in their proper forms.1.due to 6. stress2.addicted 7.quit3.alcohol 8.drugs4.manage 9.pregnant5.cigarettes 10. adolescentsSmoking __________, drinking _______ or taking other__________ produce many harmful effects and have no real benefits. So why do ___________do it? Some begin because they believe it makes them look cool. Others think it will help with _______. In their life possibly________ pressure from their parents or teachers.Some just want to see what it is like. What they don’t realize is that they will get into t he habit and __________ become ____________. It will then be difficult to _________ the habit. A few people ________to quit easily but for many it is a very painful process. Of course, the best way to deal with these drugs is not to start in the first place.Keys:cigarettes;alcohol;drugs;adolescents;stress;due to;eventually;addicted ; quit;manageStep2 Lead inSlide showDiscovering “It”1.It rains heavily . 指天气2. It is 20 kilometers from Granddad’s house to James’. 指距离3. It is November 11, 2005. 指日期4. It is 9 o’clock at night. 指时间5. It is bad to smoke. 形式主语6. It is no good smoking. 形式主语7. It is likely that he will succeed. 形式主语Step3 The use of “it”一、“it”作人称代词1. it的最基本用法是作代词,主要指刚提到的事物,以避免重复:Xi’an is a beautiful city, isn’t it?They watched the train until it disappeared in the distance.2. 也可以指动物或婴儿(未知性别的婴儿或孩子):Is this your dog?No, it isn’t.二、it作非人称代词it有时并不指具体的东西,而泛指天气、时间、日期、距离、价值、度量、温度、环境等,称为非人称的it:1.指天气:It is a lovely day, isn’t it?It is a bit windy.2. 指时间:It was nearly midnight when she came back.3. 指环境:It was very quiet in the café.4. 指距离:It is half an hour’s walk to the city centre from my home.5. 指日期:What's the date today? It's May 1, 2007.6. 指季节:It is summer now.7. 指度量:It is about 5 kilograms.8. 指价值:----What's the cost of the T-shirt?----It is 150 Yuan.三、it用作形式主语替代作主语的从句、动词不定式、动名词,而把真正作主语的从句、动词不定式、动名词置于句尾。
Unit3 Grammar精品学案【学习目标】知识目标:学习代词it的各种用法。
能力目标:能熟练运用到各种场合,能够解答与之相关的习题,学会使用it有关的高级句型尤其是强调句型、it作形式主语。
【课前自学】代词的用法:一、作人称代词1、it代替前面(或后面)的单数名词或分句等所表示的事物。
e.g. You cannot eat your cake but have it.(it代替前面的_________)Although we cannot see it, there is air all around us. (it代替后面的_________)They say he has left town, but I don’t believe it. (it代替前面_________)2、代替有生命但不能或不必分阴阳性的东西(包括婴儿)。
e.g. Yesterday we saw a big tree. It was fully twenty metres high. (it代替前面的_______)The baby cried because it was hungry. (it代替前面的_________)3、在某些习惯说法中,可以代替人。
e.g. ---- Someone is knocking at the door, Peter.---- Who is _________?---- _________ me.---- Who are singing?---- It is the children.---- The light is still on in the lab. It must be the third-year students doing the experiment.4、it与one的区别:这两个词都可以代表前面说过的名词,但it用于同名同物的场合;one则用于同名异物的场合。