1、Unit 4 Dont eat in class.Section A GF-3c单元Unit4课时第 2课时学习目标语言知识：1. 通过看图说话和对话创编，复习目标句型。2. 通过情景化的体验，能使用祈使句和情态动词谈论校规。3. 通过总结归纳，可以掌握并迁移使用句型表达其他规则。学习能力：1 通过语法填空和观察句型，能够对语法规律进行总结，提高理解能力和归纳总结能力。2 通过填空练习、造句训练和小组活动，能够运用can, cant have to / must and dont to表达规则制度。文化意识：通过目标词汇和语言的学习，能够了解国外学校家庭的规章制度，体验不同的文化带来的魅力。思
2、维品质：通过给出建议和制作海报，能够参与表演，熟悉各种规则。学习重难点1.通过情景化的体验，能使用祈使句和情态动词谈论校规。2.通过总结归纳，可以掌握并迁移使用句型表达其他规则。3. 通过填空练习、造句训练和小组活动，能够运用can, cant have to / must and dont to表达规则制度。课前预习一、翻译。1. be on time for class_2. in class_3. wear a uniform _4. 梦想的学校_5. 不必_ 合作探究Step 1 ReviewReview the new words in Section A.Step 2 Presen
3、tationRead the sentences in Grammar Focus and try to remember them by heart.Step 3 Practice(1) Check the answers in 3a. Read the sentences.(2) Check the answers in 3b. Read the sentences.Step 4 ConsolidationMake up five cool rules for a dream school. Vote for the Coolest School. 知识探究What do you have
4、 to do ? 你们必须做什么？have to 与其他情态动词一样后接动词原形，表示客观上的需要，强调被迫性，有“不得不”的含义。 have to 可用于多种时态，形式随时态变化而变化，还可以用在其他情态动词之后。如：We have to work hard. 我们得努力工作。 I think he may have to help his dad in the garden. 我想他可能不得不在花园里帮他爸爸。【辨析 have to 与 must】（1）表达意见上的差异： must 表示说话人的主观意图和要求，相当于汉语中的“必须”；have / has to 表示由于外部环境、情况、习惯
5、等的客观需要，相当于汉语中的“不得不”。 如： You must do your homework now. 现在你必须做你的功课。 He has to study late into the night to pass the exam. 为了通过考试，他不得不学习到深夜。（2）在否定句和疑问句中，have to 需借助于助动词do 相关形式，而must 则直接用mustnt 或将must 提到句首。如：Your mother doesnt have to do that now. 你妈妈现在不必做那件事情了。You mustnt play football in the street af
6、ter class. 放学后，你们一定不要在街上踢足球。（3）must 不能与其他助动词will，shall 等连用，因此这种情形下要用have to。 Must 没有过去式，因此用于过去时应用had to （表示过去必须做，并且做到了）。如：Shall we have to meet at the gate of the school? 我们必须在校门口相见吗？He had to get up early to catch the early bus. 他不得不起早床，去赶早班车。随堂速练一、单项选择。（ ）1. I have to _ the room every morning. A.
7、clean B. cleans C. cleaning（ ）2. Does she have to go to bed at 9:00? Yes, she_. A. has B. have C. does（ ）3. Dont listen music in the classroom hallways. A. to; and B. to; or C. at; or（ ）4. She lost her bike. She _ walk to school. A. have to B. has to C. has（ ）5. We _to wear the school uniform every
8、day. A. not have B. have not C. dont have二、用方框中所给词的适当形式填空。in class，on time，have to，wear a uniform，be quiet1You should The baby is sleeping.2She likes on school days.3We cant listen to music 4Can I finish my homework tomorrow?I am afraid not. You hand it in today.5You cant arrive late for class. You must be参考答案课前预习1. 准时上课 2. 在课堂上 3. 穿校服 4. Dream school 5. Dont have to合作探究略随堂速练一、ACBBC二、1. be quiet 2. wearing a uniform 3. in a class 4. have to 5. on time
