U2T3SC黄文剑ppt一.ppt

1、Unit 2 Topic3SectionC,德化县三班中学 黄文剑,Step1Revision,1.已学过的情态动词意义和部分用法 （1）can能够；可以；可能，过去式为could（2）may可以；可能,过去式为might （3）must：用法1：表义务，意为“必须”。如：We must obey the traffic rules。我们必须遵守交规。用法2：否定式mustnt意为“禁止，不可以”。如：You mustnt play on the road。不许在路上玩耍。用法3：表推测，意为“一定”。如：That man must be her father。那人一定是她父亲。用法4：表劝告

2、，必须做某事，表明事情的重要性与必要性。You must do more exercise。你必须多锻炼 #回答含有must的疑问句时，要用dont have to或neednt作为否定回答，不能用mustnt。如：-Must we open the windows？我们必须打开窗户吗？ No，you dont have to或No，you neednt。 (4)should应该，应当；也是shall的过去式(5)had better最好（6）have to不得不（7）be able to能够（8） will将要（9）would将要，will的过去式（10）shall将要(11)need需要，

3、否定式neednt不需要，不必,2.反身代词词形、意义及用法 词形 第一人称：myself单数，ourselves复数，第二人称：yourself单，yourselves复 我（们）自己你（们）自己 第三人称：himself单，他自己，herself单，她自己，itself单，它自己，themselves复，他们自己 反身代词的意义是“自己，本身，亲自” 用法主要有两种：1作动词或介词的宾语。如：Jane teaches herself English简自学英语。（动词宾语） The boy cant make the model plane by himself。那个男孩不能独自制作飞机模型

4、。介词宾语）*划线部分也可视为表示“独自”的习语 Then you can help yourself or others if an accident happens.那么假如事故发生了，你就可以帮助你自己或者别人了。（本课例句） .做主语或宾语的同位语。如：I myself do not agree。我本人不同意。（主语同位语，位置在主语后） I will give him the message myself.我将亲自去给他消息。（主语同位语，位置在句末，上一课例句） 固定搭配或习语help oneself(oneselves)to随便吃（喝）enjoyoneself(oneselves

5、) 玩得很高兴 by oneself 独自 learn . by oneself(oneselves)自学,Step2Presentation,New words and expressions,habit 习惯的 fat 肥胖的 happen 偶然发生 first aid 急救 happiness 幸福，快乐 on the other hand 另一方面 unhappy 不高兴的,The main points,.课文其它语法或词汇要点说明 To havehealthy eating。to keep you healthytry to stay safe.这些是不定式 Smoking and

6、 drinking 动名词 if an accident happens条件状语从句 when you are ill时间状语从句they dont know smoking and drinking can cause宾语从句 Happen偶然发生，常和to连用，构成happen to sb如：A traffic accident happened to Tom yesterday.昨天汤姆出了交通事故了。 On the other hand另一方面 keep fit 保持健康 keep+adj 或stay+adj保持某种状态stay away from等于keep away from，意为

7、“远离”也等于Say no to,1b答案,1.Have healthy eating habits. Eat breakfast.Eat fruit and vegetables. Dont eat fast food. 2.Play sports. 3.Be happy. 4.Stay away from smoking and drinking,1c答案,第一段的it指breakfast 第二段的them指sports 第三段的it指happiness 第四段的they指many students。,Step3Consolidation,本课含情态动词句子及用法,You must sta

8、y away from smoking and drinking。表劝告，表“远离吸烟和喝酒”的必要性与重要性。,Must表劝告的练习,练习一 must表劝告的用法 1我们必须打开房间。we _the room. 2同学们必须合上书。Classmates_ _their books. 3我们必须借张报纸吗？是的，你必须借。不，你不必。-_we _ a newspaper?-Yes,you _.-No,you_ _to.No,you_. 4你必须喝足够的水You_drink _water. 5你必须把垃圾放入垃圾箱。You_put _into the dustbin.,本课含反身代词的句子及用法

9、,Then you can help yourselves or others if.属于用法(1)作动词或介词的宾语，具体是作动词help的宾语。,反身代词练习,练习二 反身代词用法练习 我母亲将亲自买块手表。My mother will buy a watch _My mother _will buy a watch. 李磊自学语文。Li Lei teaches_Chinese Li Lei learns Chinese_ _ 凯特想去告诉康康本人。Kate wants to tell Kangkang_. 这个人不能独自离开上海This man cant leave Shanghai_

10、_. Boys and girls ,help_to some fish,please. We enjoyed_last night.,Step4Practice,课文2的答案,In order to keep healthy,we should have healthy habits,play sports,be happy,and stay away from smoking and drinking. We should also practice dancing and go for a walk.,课文3的参考答案,What shall we do?First,we should have healthy eating habits.We should eat more healthy food.Fruit and vegetables are good for our he