译林版英语九年级上册unit6grammar教案和学案.docx
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1、复备栏9A Unit 6 TV programmes Grammar。,2)【教学目标】To learn to use ifo1. To learn to use unless。【教学内容】短语互译1.攻击,进攻 2,北极熊 3.雄性的 4,摄影棚、录音室5 .向介绍 6 .处境危险7.从水里捉鱼8.以家为群9有机会做10对没有兴趣【教学过程】Stepl:预习指导与检测Step2:展示目标Step3:课堂导学与互动A. Using if.Lead-inAsk:1. What TV programme will you watch if you finish your homework earl
2、y tonight?2. If it is sunny this Saturday, what will you do?1 .Work out the ruleWe use if to talk about the result of a possible action.2 .PresentationGive the students more examples:1) If I have enough time, I will help many people.2) If it rains tomorrow, I will stay at home.3) If you work hard, y
3、ou will learn English well.4) If it does not rain tomorrow, we will have a trip.5) We will go fishing if it is fine next Sunday.4 .Work out the ruleWe often use the simple present tense in the if-clause. We need a comma after the if-clause when it is the first part of a sentence.5 .Practice完成书上Part
4、Al、A2的练习,并校对答案。完成书上Part B的练习,并核对答案。Step4:总结提升分小组讨论,说说这种句型的用法。1.If从句(一般现在时)+主句(一般现在时)If you cool steam, it turns into water.If we dont water a flower, it dies.2. If从句(一般现在时)+主句(一般将来时)If we dont hurry, we wont finish the work on time.这类if条件句的主句部分还可以用祈使句。如:Dont wait for me if Im late.这类if条件句的主句部分还可以用情态
5、动词。如:I may buy a car if I pass my driving testB. Using unless.Lead-inAsk the students to translate the following sentences:1 .除非下雨,否则我们明天要去公园。(We will go to the park tomorrow unless it rains.)2 .除非你帮我,否则在本月底之前我是完不成这项工作的。(Unless you help me, I will not finish the work before the end of this month.).W
6、ork out the ruleWe can use useless to say that something can only happen or be true in a particular situation. Sometimes we can use ifnot to replace unless.unless在意义上可以理解为ifnot,在有些情况下两者可以互换使用。如:I cant see unless I wear glasses. (=1 cant see if I dont wear glasses.)Unless you can pay your bills, youl
7、l have to leave.(=If you cant pay your bills, youll have to leave.)从上面的例子可以看出,由于unless已经表达了 ifnot的含义,它所引导的条件状语从句只能使 用肯定形式。1 .PresentationAsk the students to rewrite the sentences above using if. not.1. We will go to the park tomorrow unless it rains.We will go to the park tomorrow if it doesnt rain.
8、2. UnTesSyou help me, I will not finish the work before the end of this month.If you do not help me, I will not finish the work before the end of this month.2 .Work out the ruleWe often use the simple present tense in the unless-clause. We need a comma after the unless-clause when it is the first pa
9、rt of a sentence.(1)主句为肯定句。如:You will miss the bus unless you hurry up.Youll fail your Chemistry test again unless you work harder.(2)主句为否定句或含有表示否定意义的词。如:Unless you are friendly to people, you wont get on well with them.You will never get anywhere unless you set your goal.3 ractice.完成书上相关的练习,并核对答案。S
10、tep4:知识拓展.在以when, before, as soon as等引导的时间状语从句,也适用“主将从现原则,即如果主句是一 般将来时,从句则用一般现在时。Fil tell her the good news when she comes back.当她回来的时候,我将把这个好消息告诉她。She will give you a call as soon as she returns.她一回来就会给你电话。1 . If条件句=祈使句,and/or+将来时态的陈述句。同义句转换,Work hard, and you will make great progress.=If you work
11、hard, you will make great progress.Hurry up, or you will be late. =If you dont hurry up, you will be late.Step5:原结提升分组讨论,说说unless这种句型的用法以及if与unless用法之间联系。Step7:布置作业Copy new words and phrases.1. Make sentences as many as possible using if or unless.教后反思9A Unit 6 TV programmes grammar 达标检测姓名一、单项选择。1.
12、You will not remember the facts you understand them well.A. ifB. unlessC. if notD. becauseShenzhen a dirty place if we the ground.A. is; litterB. will be; will litter C. is; are littering D. will be; litterIf you harder, you will fail the exam.A. not workB. workC. dont work D. wont workyou obey the
13、rules, you will be punished.A. IfB. SinceC. BecauseD. UnlessIf you check your timetable every night, it in your mind better.A. will stayB. stayC. stayedD. StayingThe rivers will become dirtier and dirtier we take action to protect them.A. unless B. if C. until D. since二、用if或unless填空。1. You will not
14、improve your skill in a short time you practice playing the violin regularly.2. you dont work hard, you will fail the exam.3. He cant be here on time he gets up early.4. you dont have enough sleep, you will feel tired.5. you finish your homework, you will not go out to play.三、根据所给汉语提示完成句子。1 .这部一小时的纪
15、录片近距离地观察了我们的家乡。This documentary look at our hometown.2 .观看表演时,你可以为你最喜欢的歌手投票。While the show, you can your favourite singer.3 .操场上有一些孩子在踢足球。There are children football in the playground.3整天看电视,我感觉太无聊了。ITV all day.5 .如果你是一个动物爱好者,你会对这个消息感到伤心。If you, you may feel sad about the news.四、句型转换1. They filmed t
16、hat one-hour documentary last year.(改为被动语态)That one-hour documentary by them last year.2.1 wonder how I can cheer up the sick kids.(改为同义句)I wonder cheer up the sick kids.3. Mary watches the game show on TV on Sunday.(改为一般疑问句) Mary the game show on TV on Sunday?4. He finished reading the novel before
17、 his parents came back.(改为否定句)He reading the novel before his parents came back.5. The new building will be finished in one year.(对画线部分提问)will the new building be finished?五、完型填空Televisions have been necessary in most houses for a long time. Children are very fond 1 watching TV. Some parents are 2 a
18、bout that because it keeps their children from playing with and breaking things. Watching TV can help children 3 about lots of things, such as music, other countries, and many other things. They will learn about 4 is good and what is bad. TV also 5 children with up-to-date information about the outs
19、ide world.However, its not 6 to say that watching TV doesnt have any bad 7 on children. You cant let them watch TV as _8_ as they want. Watching TV takes up a lot of time. Children need to 9 the world by themselves, not just from TV. Besides, children are growing and they need to move around and get
20、 lots of 10 . Sitting still and watching too much TV will make children become 11 physically. Most children like to eat snacks 12 watching TV. That will make them put on weight. To make it 13 , there may be too many ads and violent(暴力的)scenes on TV. These things, of course, are bad for children.As p
21、arents, you should control the amount(量)of TV that your children watch. You have to choose the right channels fbr them, and shouldnt let the TV be on all day. Turn it off right after their programmes 14 Encourage them to join in outdoor activities and do more things. Never put a TV in the bedroom, 1
22、5 not in your childrens room!)1. A. onB.ofC. offD. at)2.A. worriedB. sadC. happyD. surprised)3. A. lookB. forgetC. thinkD. learn)4. A. whoB. whatC. howD. when)5 .A. providesB. offersC. supportsD. gives)6. A. wrongB. possibleC. rightD. helpful)7. A. effectB. causeC. affectD. result)8. A. manyB. muchC
23、. fewD. little)9. A. findB. inventC. noticeD. discover)10. A. exercisesB. storiesC. partiesD. programmes)11. A. strongerB. weakerC. thinnerD. taller)12. A. beforeB. afterC. whileD. until)13. A. betterB. worseC. harderD. easier)14. A. coverB. broadcastC. beginD. end)15. A. mostlyB. especiallyC. badly
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