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Unit 19 A visit to an island

03-06 18:11:09   分类:初二英语教案   浏览次数: 246
标签:八年级上册英语教案,人教八年级英语教案,http://www.qihang56.com Unit 19 A visit to an island,
anything

anywhere

nobody

no one

nothing

nowhere

  然后告诉学生这些词都是由some,any或no与body,thing,one或where构成的合成词,一般情况下,somebody, something, somewhere用于肯定句,而anybody, anything, anywhere用于否定句、疑问句及条件句中。如:
  (1)I can see something on the wall. Is it a new painting?
  (2) Somebody is knocking at the door. Go and have a look.
  (3) Yesterday Han Mei found her pen somewhere. Now she still doesn’t know who put it there.
  (4) Can you hear anything in the next room? Somebody is crying.
  (5) –Is there anybody running on the playground?
    –Yes, it’s Wang Tong.
  (6) I cant see anybody in the teachers office. But I must ask the teacher an important question.
  (7) They didnt go anywhere, because it was raining heavily. They played ping-pong in the classroom.
  但也有例外情况。当表达请求、建议、反对等肯定意图时,something, somebody等词也可用于疑问句形式。如:
  (8) – Is somebody coming this evening?
    –Yes, But I don’t know who’s coming.
  (9) Would you please give me something to eat? Certainly. Help yourself to anything in the ice box.
  教师可通过实物教学或创设情景教学,让学生在情景中学习并掌握不定代词或副词的运用。如教师可利用教室中的物品:box, bag等进行活动。

  A: Can you see anything in the box?
  B: No, I can’t. It’s closed.
  C: I think there is something in it.
  B: I don’t think so. Let’s open it. Maybe there’s nothing in it.
  还可以出示图片假设情景:孩子们在春游,看见远处树丛中树叶晃动。

  A: Look! Can you see anything over there?
  B: No, I can’t see anything.
  A: Nothing? Look carefully and you’ll see something in the trees.
  B: Sorry I can’t. Something is wrong with my eyes.
  A: There’s nothing wrong with your eyes, I think. Look again and you’ll see it.
  B: Oh, yes. Something is moving in the tree. It’s a yellow bird!
  巩固性练习:在学生了解不定代词基本用法的基础上指导学生做练习册第87页上的练习2,教师也可以适当补充一些课外练习来进一步加以巩固。

教学take和bring的用法
  take和bring都有“拿”和“带”的意思。学生在实际运用中容易混淆。一般来说take是把东西拿到离开说话人所说话的地方。表示“拿走”或“带走”。而bring则表示把东西拿到说话人所说话的地方,是“拿来”,“带来”的意思。用图表示:

www.qihang56.com

  教师可以设置一些具体的情景,让学生进行练习。如:
  A: Where’s your homework, Wang Ming?
  B: Sorry, I left it at home.
  A: Bring it here tomorrow.
  B: OK.
  A: By the way, whose chair is it?
  B: Our teachers.
  A: Please help me take it to the teacher’s office.
  B: All right.
  A: Thanks a lot.
  B: You re welcome.
  take sth.with sb.表示随身带走某物,bring sth.with sb.则表示随身带来某物。take sth.away表示拿走某物。试比较:
  It is going to rain, please take your raincoat with you.
  When you come here next time, please bring the raincoat with you. Please take the empty box away.

阅读训练
  本单元安排了两篇阅读短文,比较详尽地描述了孩子们在岛上的经历及所见所闻,情节跌宕起伏。初中学生有极强的好奇心,对课文内容一定很感兴趣。在组织学生阅读前,老师可以先解释一些难点,如no longer,all by oneself,not…until,look over等,为学生快速阅读扫除障碍。阅读后老师用Yes or No回答的一般疑问句提问学生,以加深他们对课文内容的理解。最后老师可以把按故事情节设置的幻灯片或简笔画展示给学生,让他们根据图示用英语讲出故事的主要情节。使阅读和口头训练有机地结合在一起,教学效果一定会更好。

教学指导
  1.本单元出现了不少常用的短语,必须要熟记并会运用。
  bring food for a picnic/be late for/had better not to do sth./have never been to/pull sth. out of/look I around/keep sth. cool/all by oneself/no longer/not. . .until/get sth. back/look over/run after( away)
  2.在老师的指导下,通过一定量的口头和书面训练,反复训练不定代词/副词something, anything, somebody, anybody, somewhere, anywhere的用法,熟练掌握不定代词和副词的用法,take和bring的用法。

能力训练点
  3.本单元的主题是“参观小岛(A visit to an island)”。在学生熟练掌握课文内容的基础上,老师可给学生提供一定量的词汇和短语,要求他们模仿课文内容写一篇游记性质的小短文。

复合不定代词、副词
  some-, any-, no-(no one例外), every-与-one, -thing, -body, -where(副词)构成复合不定代词或副词。复合不定代词可以代替一般数量的名词,在句中作主语、宾语、表语等。
  一般情况下,some构成的复合不定代词,其作用和some相同,用于肯定句:any构成的复合不定代词用于否定或疑问句;no构成的复合不定代词其作用和any相同,用于否定句。如:
  I have something to tell you. 我有事要告诉你。
  He didn’t say anything at the meeting yesterday. 昨天在会上他没有发言。
  Everybody likes swimming. 每个人都喜欢游泳。
  使用复合不定代词、副词应注意以下几点:
  1.复合不定代词被形容词修饰时,复合不定代词要放在形容词之前。如:
  There’s something new in today’s paper. 今天的报纸上有些新内容。
  2.复合不定代词被动词不定式(短语)修饰时,不定式(短语)要后置。如:
  I have something to tell you.  我有些话要告诉你。
  3.复合不定代词在句中作主语时,谓语动词一般用单数形式。如:
  I hope everything goes well.我希望一切顺利。
  Nothing is too difficult for you in the world if you put your heart into it. 世上无难事,只怕有心人。
  4.复合不定代词作主语,变成反意疑问句时,要看不定代词是指人还是指物:指人时,附加问句的主语用they或he(人称与数一致);指物时附加问句的主语要用it。如:
  Someone is knocking at the door, isnt he? 或arent they?有人在敲门,对吗?
  Everything begins to grow in spring, doesnt it? 春季万物开始生长,对不对?
  5.含no的复合不定代词相当于“not + any的复合不定代词”。如:
  I saw nothing in the room. = I didnt see anything in the room.我在屋子里什么也没看见。
  6.复合不定副词在句中只能作状语,常放在句尾。如:
  I cant find it anywhere.我在什么地方都找不到它。
  [注意事项]通常情况下,含some-的复会不定代词、副词用在肯定句中,但在表示请求、建议等委婉说法的疑问句中,或期望得到肯定答复的疑问句中,也用some-,不用any-。如:
  Would you like something to drink? 你想要些喝的吗?
  Can you find it somewhere?  你能在某个地方找到它吗?
  [练习]从下列各题后所给的选项中选择最佳答案填空。
  1. –Do you have _____to say for yourself?
   –Yes, it is this.
  A. something    B. anything   C. everything   D. nothing
  2. –Everyone is here today, _____?
    –No, Han Mei isn’t here. She’s ill.
  A. isnt it       B. isnt he   C. are they     D. isn’t everyone

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