人教英语八下Unit8 3a-3c.ppt

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1、义务教育教科书初中英语八年级下册义务教育教科书初中英语八年级下册Unint8 How long have you read Treasure Island yet?课堂教学乐山镇乐山中学：杨仕江2017年5月22日 一、教学目标一、教学目标 Section A 3a 3c The knowledge goals:a.The new vocabulary and function sentences in this period.b.The main idea of this passage.c.The Present Perfect Tense 二、教学重点二、教学重点 The new wor

2、ds and phrases in this part.三、教学难点三、教学难点 The Present Perfect Tense 四、教学过程 1.教学内容 课前准备 a.Preview the content in this part.b.Review the present perfect tense.2.导入新课 To introduce the article of Robinson Crusoe 3.师生互动 a.Read the passage quickly and carefully,then discuss the questions with your partner

3、on page 59.3a.b.Read the passage and answer the following questions.3b.c.Read the passage again.Find words that have these meanings.3c.Correct the sentences 2.阅读指导 Skimming(略读法)：跳跃式阅读，注重开头、结尾、关键词、主题句。Guessing(猜读法)：联系上下文，利用构词法，猜猜词义。Realizing(悟读法)：通过关键词、句、段的理解，了解作者意图，文章主旨。3.精讲点拨 1.although“虽然，尽管”=thou

4、gh，引导让步状语从句，不能与but连用。2.another 既可用作形容词，也可用作代词。用作形容词时，意思是“又一的；再一的”，修饰名词，位于名词前；用作代词时，意思是“另一个”another还可以和数词连用，常放在数词的前面，意为“还；再；又”。3.how long 常用于询问时间，意为“多久；多长时间”，与现在完成时连用，要求谓语动词必须是延续性动词。4 see sb.doing sth.意为“看到某人正在做某事”，强调看到的动作正在进行。5.run towards 5.run towards 朝朝跑跑 one.the other.one.the other.一个一个另一个另一个som

5、e.otherssome.others一些一些.另一些另一些 6.name6.name作动词，意为作动词，意为“命名；给命名；给取名取名”。固定。固定搭配搭配“name+sb.+“name+sb.+名字名字”意为意为“给某人取名为给某人取名为”。4.4.重点短语重点短语 arrive on this islandarrive on this island到达这个岛到达这个岛 make a boatmake a boat制作船制作船 bring backbring back带回来带回来 give up give up放弃放弃 wait forwait for等候等候 cut downcut do

6、wn砍倒砍倒 build a house build a house建房子建房子 kill for foodkill for food杀死杀死作为食物作为食物 the marks of another mans feetthe marks of another mans feet另一个人另一个人的脚印的脚印 who else who else还有谁还有谁 see sb.doing sth.see sb.doing sth.看见某人正在做某事看见某人正在做某事 run towardsrun towards朝朝跑跑 help sb.do sth.help sb.do sth.帮助某人做某事帮助某人

7、做某事 name sb.name sb.给某人起名为给某人起名为 teach sb.sth.teach sb.sth.教某人某事教某人某事 5.5.达标训练达标训练 1.1.阅读本课文章，找出文章中含有现在完成时的阅读本课文章，找出文章中含有现在完成时的句子。句子。2.2.写出文章中这些动词的过去式及过去分词。写出文章中这些动词的过去式及过去分词。1.arrive _ _2.die _ _1.arrive _ _2.die _ _3.kill _ _4.name _ _3.kill _ _4.name _ _5.be _ _ 6.go _ _ 5.be _ _ 6.go _ _ 7.See _

8、 _ 8.give _ _7.See _ _ 8.give _ _9.run_ _ 10.meet9.run_ _ 10.meet _ _ _ _11 have _ _ 12.find_ _11 have _ _ 12.find_ _13.bring _ _ 14.lose _ _13.bring _ _ 14.lose _ _15.teach _ _ 15.teach _ _ -ed-ed-d-d-ed-ed-ed-edwas/werebeenwentgonesawseengavegivenranrunmetmethadhadfoundfoundbroughtbroughtlostlostt

9、aughttaught句型展示：句型展示：1.1.但是我但是我已经已经找到了那条船，并造了一条小找到了那条船，并造了一条小船。船。But I But I the ship and the ship and a small boat.a small boat.2.2.几周前，我在沙滩上发现了另外一个人的几周前，我在沙滩上发现了另外一个人的足迹。足迹。A few weeks ago,I found A few weeks ago,I found another another mans feet on the sand.mans feet on the sand.3.3.还有谁在我的岛上？还有谁在

10、我的岛上？is on my island?is on my island?4.4.他们在这儿多长时间了？他们在这儿多长时间了？How longHow long theythey here?here?5.5.每当萨莉在图书每当萨莉在图书錧錧时，她就盯着众多还未时，她就盯着众多还未读过的书，她迫不及待要去读了。读过的书，她迫不及待要去读了。she is the library,Sally looks at the she is the library,Sally looks at the many books.Shemany books.She readread and sheand she re

11、ad them.read them.havefoundmadethe marksofWhoelsehavebeenEverytimehasntyetcant wait to (2)What else would you like?改为同意句 What would you like?3.A piece of land in the middle of the sea.a piece of 一块陆地 land 陆地，土地，不可数，常用作短语，on land在陆地上 eg:Frogs can live both in the water and on land.land 作为“国家、地区”讲,可数。

12、eg:Many young people believe that America is a land of opportunity.land v 表（坐飞机，或船等）到达，着陆，降落。The plane will land in the two hours.及时运用：（1）大象是陆地上最大的动物。An elephant is the biggest animal .(2)看，宇宙飞船已经着陆了。Look,the spaceship already .otherthingsonlandhaslanded 基础训练：1.When Jim arrive the island,he will lig

13、ht a fire to tell us.A.in B.on C.at2.All the students run the playground after class.A.in B.on C.towards3.Why did Robinson name the man Friday.A.call B.ask C.tell4.do you know in the class?A.Who other B.Who else C.else whoBCB 巩固新课（选词填空，每空限一词）lose wait help else be kill bring other try arrive When I

14、first (1)on this iland,I had nothing.But I have found the ship and made a small boat.I (2)back many things I can use.Although I (3)everything,I have not lost my life.So I will not give up and I (4)for another ship.A few weeks ago ,I found the marks of another mans feet on the sand.Who (5)is on the i

15、sland?How long have they (6)there?Not long after that,I saw some cannibals(7)to kill two men from a broken ship .one of them died but the (8)ran towards my house.I helped him (9)the cannibals.This man now lives with me and (10)me.arrivedbroughtlostwill waitelsebeentryingotherkillhelp【考查点】【考查点】3.3.表示

16、表示“越越?,?,就越就越?”?”时，用时，用“the+“the+比较级，比较级，the+the+比较级比较级”The more you eat,the fatter you will become.The more you eat,the fatter you will become.你吃得越多，你就会越胖。你吃得越多，你就会越胖。The more,the better.The more,the better.越多越好。越多越好。【考查点】【考查点】4.4.表示表示“越来越越来越?.”?.”时，用时，用“比较级比较级+and+and+比较级比较级”，多音节词和部，多音节词和部分双音节分双音节

17、词用词用“more and more+“more and more+形容词原级形容词原级”。If you eat too much meat,you will become fatter and fatter.If you eat too much meat,you will become fatter and fatter.如果你吃太多的肉，如果你吃太多的肉，你就会变得越来越胖。你就会变得越来越胖。We should make our country more and more beautiful.We should make our country more and more beauti

18、ful.我们应该让自己的祖国变我们应该让自己的祖国变得越来越美。得越来越美。【考查点】【考查点】5.5.表示表示“比比?大（长、多、宽）几倍大（长、多、宽）几倍”，“重几斤，高几厘米，大几岁重几斤，高几厘米，大几岁”等，都用比较级。等，都用比较级。Our classroom is twice larger than yours.Our classroom is twice larger than yours.Tom is six years older than you.Tom is six years older than you.【考查点】6.“more+形容词”与“less+形容词”及“

19、not so/as?as”的互换。Chinese is more important than English.汉语比英语重要。=English is less important than Chinese.=English is not so important as Chinese.【考查点】7.比较级的替代：使用比较级时，前后两个比较项要保持一致，若前一个比较项是不可数名词，则后一个比较项可为替代词that；若前一个比较项是可数名词复数，则后一个比较项为替代词those.The weather in Nanjing is warmer than that in Beijing in wi

20、nter.在冬天南京的天气比北京暖和。The students of Class One study harder than those of Class Two.一班同学比二班用功。【易错点】1.比较级前可以用much,a little,a lot,even,rather,still,any,a bit,far等词修饰，起强调作用，不可用very,so,quite,too(只能修饰原级)等修饰。It is cold today,but it is going to be even colder tomorrow.今天很冷，但是明天更冷。【易错点】2.避免重复使用比较级。(错)He is mo

21、re cleverer than his brother.(对)He is cleverer than his brother.知识点4：形容词和副词最高级的用法【考查点】1.三者或三者以上的人或物进行比较时，用形容词最高级形式。形容词最高级前通常加the,句末常接in/of/among短语来表示范围。He is the strongest of all the boys.他是三个男孩中最强壮的。Which is the biggest,the earth,the moon or the sun?地球、月亮和太阳，哪一个最大？【考查点】2.表示“最?之一”时，或是表示第几大/小/高/矮?时，用最高级。Tiananmen square is one of the largest squares in the world.天安门广场是世界上最大的广场之一。The Yellow River is the second largest river in China.黄河是中国的第二大长河。