Module3Naturalelements课件.ppt
31页
Oxford EnglishModule 3 Module 3 Natural elementsNatural elementsElectricityElectricityGrammarGrammar Unit 6 学习重点学习重点 •学习情态动词学习情态动词can 、、may、、must的运用和表达的运用和表达 学习难点学习难点 •能熟练运用情态动词能熟练运用情态动词can 、、may、、must表达正确表达正确的句子 1、说一说：How can we save water？Checking-upChecking-up Grammar: Modal verbsGrammar: Modal verbsI can spell all the words we have learnt. Can you do that? Yes, I can.Yes, I can.No, I cannot/can’t.No, I cannot/can’t.A A cancan and and cannotcannot Game timeGame timeWhat can you do? Tell the student behind you and ask if he/she can do it. The next student should repeat this with another student.Example: No, I can’t. No, I can’t. I can sing. I can sing. Can you sing?Can you sing?Yes, I can. Yes, I can. I can …I can …Can you …?Can you …?I can swim. Can I can swim. Can you swim?you swim? 课堂探究及课堂练习课堂探究及课堂练习学习任务一 : 1、阅读Grammar A部分例句框中的例句，总结情态动词can的基本含义和常见用法：A、can 表示具有某种能力 ，相当于 ；B、can 表示许可，意为可以，相当于 ，它的否定形式是 ；C、can构成的一般疑问句的回答形式为Can I…? Yes，you ；No，you 。
2、学生朗读Grammar A部分例句，并完成练习，教师和学生一起核对答案3、学生仿照Grammar A部分例句的句型，小组合作介绍自己的能力be able tomaycan’tcancan’t Now read the following sentences. Grammar exerciseGrammar exercise cancannotcannotcancannotcancancannot 3 3You will be given several situations. After reading the descriptions and looking at the pictures, decide what you would say in these situations. a. a. A man is going to see his boss. He A man is going to see his boss. He is standing at the doorway. is standing at the doorway. May I come May I come in?in? b. b. A student is going to ask the A student is going to ask the teacher a question.teacher a question.May I ask you a May I ask you a question?question? c. c. A boy is thirsty. He is asking his mother A boy is thirsty. He is asking his mother for something.for something.May I have some water?May I have some water? d. d. A shop assistant is serving a customer.A shop assistant is serving a customer.May I help you?May I help you? 学习任务二: 1、朗读P78 B部分的讲解和例句，总结情态动词may的基本 含义和常见用法：A、may 表示许可或请求对方允许 ，意为 ； ； ；B、may 否定形式是 ，意为 ；C、may构成的一般疑问句的回答形式为May I…? Yes，you ； No，you 。
2、学生朗读Grammar B部分例句，并完成练习，教师和学生一 起核对答案3、学生分角色朗读对话可以 可能 或许may not不可以may may not We use may and may not to ask for and give permission. In less formal situations, some people like to use can and cannot (can’t) for the same purpose. “May” can be interchanged with “can”, but it’s a little more polite to use “may” .B B maymay and and may notmay not May/Can I use your mobile phone? Yes, you may/can. No, you may not/can’t. You may/can turn on the TV. You may not/cannot play in the kitchen. Read the following sentences. Grammar exerciseGrammar exercise May/CanMaycanMayCan 4 4C C mustmust and and must notmust not •学习任务三: •1、朗读P79 C部分的讲解和例句，总结情态动• 词must的基本含义和常见用法：• A、must 用来制定规则或发出命令，意为 ；• B、must 否定形式是 ，意为 ；• C、must构成的一般疑问句的回答形式为• Must I…? Yes，you ；No，you .•2、完成教材p79 Work out the rule：•3、学生朗读Grammar C部分例句，并完成制定规章的练习，教师和学生一起核对答案。
必须must not不准mustneedn’t We use must and must not/mustn’t to tell people what to do or what not to do.Read the following sentences. You must not/mustn’t do that, Benny! We must always be careful with electricity. They must not/mustn’t play near the heater. I must go to bed early.I must take the medicine on time.eat cold foodI must not go out alone.I must not share cups with others. 5 5Work out the ruleWork out the rule •四、要点归纳•情态动词的共同特征：–位于第三人称单词后时，情态动词后不可以加 – ；–情态动词后接动词 ；–助动词do、 does、 did不可用在含有情态动词的疑问句或 句中。
s原形否定 •五、拓展提高•1、may be与maybe 的区别：may be是“情态动词+系动词be”结构，表示“可能是”，而 Maybe作副词，表示“大概、也许”例如：• He in the room. • he is in the room.may beMaybe 2、根据下面提示，写一写育英中学的校规 提示： 学生必须穿校服 学生不许在教室里吃东西 学生离校时必须关灯 学生在图书馆吵闹 学生不许打架 Yuying Middle School Rules H HHomeworkHomework1. 抄写单词和短语：抄写单词和短语：bulb，，lock，，rule，，test，，tidy，，touch；；air conditioner，，switch off，，tidy up2. 制定家庭规章，完成制定家庭规章，完成Writing板块的练习板块的练习3. 收集家中最近一年的电费账单，下一节课带到收集家中最近一年的电费账单，下一节课带到学校来。
学校来4. 完成《练习册》第完成《练习册》第83至至85页页Grammar的练习 •教学反思：教学反思：•1. 通过本节课的学习我最大的收获：通过本节课的学习我最大的收获：• •2. 感到自己有待加强的是：感到自己有待加强的是： Thank you！ 。
