UNIT10单元专题整合-【教材解读】人教版英语八年级上册.docx
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1、概念条件状语从句是表示主句动作发生的前提或条件的从句,即 “在条件下某事才能发生通常由连词if引导位置if引导的条件状语从句可位于主句之前或之后。位于主句之前要 用逗号与主句隔开;如果放在主句之后,其前不必用逗号时态若主句为一般将来时、祈使句,或主句含有can、may、must、have to等情态动词或短语时,if引导的条件状语从句要用一般现在时一、if引导的条件状语从句句式肯定句式主语+shou 1 d+动词原形+ 其他.You shou1d come here earlier. 你应该早点儿来这里。否定句式主语+shouldn t+动词原 形+其他.Ted shouldn* t tell
2、 you that. 特德不应该告诉你那件事。一般疑 问句式Shou 1 d+主语+动词原 形+其他?Should I give Susan some advice?我应该给苏珊一些建议吗?should为情态动词,后接动词原形,其句式及主要用法如下:助记:if引导的条件状语从句if条件句不一般,几个要点记心间:条件句,放在前,逗号要放句中间;条件句表可能,主将从现是关键。赏佳句If you don, t go after what you want, you* 11 never have it. If you dont ask, the answer is always no.If you d
3、ont step forward, you re always in the same place.不去追逐你所渴求,你将永 远不会拥有。不开口问,回 答永远是不。不往前走,就 将永远停留。链中考(六盘水中考)You arc supposed to type quickly when talking with others on QQ.A. mustB. canC. shouldD. would点拨:可用语法判断法和词义 辨析法解答本题。be supposed to=should,意为“应该”。故 选Co单元专题整合单元语法详讲析语法解读If it rains tomorrow, I won
4、t go hiking.=1 won* t go hiking if it rains tomorrow.如果明天下雨,我就不去远足。If he watches TV, I will watch TV, too.如果他看电视,我也会看电视。Get up quickly if you dont want to be late.如果你不想迟到,就快点儿起床。You can pass the exam if you study hard.如果你努力学习,你就能通过这次考试。妙指津(Dif引导的条件状语从句,通常可与以下句型相互转换:祈使句+and/or+一般将来时的句子If you are quic
5、k, you won, t be late for class.=Be quick, and you won t be late for class.=Be quick, or you will be late for class.含有介词with或without的句子f,IE there is no water, we can,t live. = We can* t live without water.(2) if除可引导条件状语从句外,还可引导宾语从句,意为“是否”。I dont know if he wi11 come to Jim* s birthday party tomorrow
6、. 我不知道明天是否会来参加吉姆的生日聚会。二、情态动词should的用法续表用法表示义务、职责等,意为“应该”We should follow the traffic rules.我们应该遵守交通规则。表示推测,意为“按道理说应该会”Lin Tao should be there by now. 现在林涛应该在那儿。用于提出建议或要求W方给出意见You should read this book. 你应该读读这本书。即学即练I.用所给词的适当形式填空 you your homework right1. If he (come) to the party, he will havenow, y
7、ou watch TV.a good time.3. Wo arc going to do more practice. Wc will win the2. We should (be) more careful.match.3. Wc don, t know if it (rain) tomorrow; if We more practice, we It (rain), we (not go) out.win the match.4. You (should not) cheat in the exam.4. We cant live without air.5. If it, s sun
8、ny tomorrow, Mary (visit) the there is air, weGreat Wall.live.II .同义句转换【答案速查】1. Hurry up, or you111 not catch the bus.I. 1. comes 2. be 3. will rain; rains; won* t go you hurry up, you 11 not4. shouldnt 5. will visitcatch the bus.II. 1. If; dont 2. If; finish; can2. Finish your homework right now, a
9、nd you can watch TV.3. If; do; will 4. If; no; can* t话题写作巧引领典例导引 【剖析】本单元的话题是“做决定二围绕这一话题,命题人常常设置的写作内容是提出某一设想并讨论结果。写此类短文,首先要正确使用if引导的条件状语从句。在if引导的条件状语从句中,从句一般用一般现在时 表示将来,而主句常用一般将来时。此类话题作文吸引阅卷人眼球的亮点表达有:(1) If I., I will. (2) I think 1*11. (3) It is best (not) to do.【典例】请根据下列提示,以“If I have a lot of mone
10、y为题,写一篇80词左右的短文。1. What will you do if you have a lot of money?2. Why do you want to do that?【模板】我的打算引出话题 If I have a lot of money, I will 想法.描述计划总结话题So I think f 11具体计划.I* m sure I will enjoy a better life.技法提升满分范文满分范文借鉴提升If I have a lot of moneyIC 1 have a lol of money, I will have the chance to d
11、o what I want to do. It is best do good things with开篇点题,概述了自己的想法。学习“It is best to do. ”句型的灵活运用,增 加文章的亮点。the money. ? So I think I 11 give some money to charities to help the people in need. Ill try my best lo help the people who are in trouble. Then, I will buy a big house with a garden and a swimmi
12、ng pool for my parents, so they wi 11 live a happy life. Pm sure I will enjoy a better life.学习文中who引导定语从句的用法,这类高级句式 的运用是文章的一大亮点,也是写作得高分的关键。 易错提醒:动笔的时候一定要小心,千万别踩到下面 这颗地雷哦!注意if引导的条件状语从句的时态,即遵循“主将从 现”原则。核心考点全突破考点1: i引导的条件状语从句考向1条件状语从句的时态考向2 if与其他连词的辨析考点2:情态动词should的用法:考向should与may、would等其他情态动词的辨析考点3: a
13、dv ice的用法考向1 adv ice作主语时谓语动词用单数形式考向2 adv ice与其他名词的辨析考点4:unless的用法考向unless引导条件状语从句的用法考点5:angr的用法考向angiy与其他形容词的辨析考点6:mislake的用法考向mistake与其他名词的辨析考点7:careful的用法考向careful与其他形容词的辨析【真题演练】1.(长沙中考)一I think I* 11 take a bus to the meeting.The bus? If you, you will be late.A. do B. have done C. will do3.(常德中考)
14、You 11 have a great time yougo to the party.A. so B. ifC. although3.(山西中考)-Many people play with mobi 1 e phones all day instead of reading books.That* s too bad. Everyone be a book lover. Reading is more enjoyable.6.(十堰中考)一Wc will fail the exam wc study hard.-That* s why we are trying our best to p
15、repare for the exam.A. untilB. whenC. unlessD. how7.(南京中考)My sister is still very with me because I broke her new pencil box yesterday.A.popularB.satisfiedA. may B. should C. would.(齐齐哈尔中考)There some good advice about how to reduce air pollution on the Internet.A. areB. isC. have.(重庆中考)I don, t know
16、 how to make a speech in public. Can you give me some ?A. waterB. moneyC. foodD. adviceC.honestD. angry.(达州中考)Why did Lucy look unhappy?-Because she was so careless that she made many spelling in herhomework.A. friendsB.plansC.decisionsD.mistakes.(丽水中考)Steve isnt as as Kelly. Heoften makes mistakes
17、inhis writing.A.carelessB.tidyC. carefulD.difficult【思路点拨】.可用语法判断法解答本题。句意:一我想我会 坐公交车去参加会议。一公交车?如果你这样 做的话,你就会迟到。if引导的条件状语从句的 时态规则为“主将从现。故选A。1 .可用词义湃析法解答本题。句意:假如你去参加 聚会的话,你就会玩得很开心。so表示结果;if 表示条件;although表示让步。故选B。2 .可用词义辨析法解答本题。句意:一许多人整 天玩手机而不看书。一一那太糟了。每个人都应6.可用语法判断法解答本题。until “直到”,引导 时间状语从句;when ”当的时候”
18、,引导时间 状语从句;unless “除非”,引导条件状语从句; how “怎样”,引导特殊疑问句。分析句意知,空 格后是空格前的条件。故选C。7.可用词义辨析法解答本题。popular受欢迎的”; satisfied ”满意的”;honest “诚实的”;angry “生气的”。由后半句“昨天我摔坏了她的新铅笔 盒”可知,姐姐很生“我”的气。故选D。当成为书籍爱好者。读书使人更快乐。may “可能”; should “应当:would “愿意”。故选 B。4 .可用语法判断法解答本题。句意:网上有一些关 于如何减少空气污染的好建议。advice是不可数 名词,作主语时谓语动词用单数形式。故选
19、B。5 .可用词义辨析法解答本题。句意:我不知道如何 在公共场合演讲。你能给我一些建议吗? water “水”;money “钱”;food “食物”;advice “建议”。结合语境可知,空格处指的是建议。故选D。知能演练I.单项选择1. Ms. James gave us on how to learn chemistry.A.some advicesB. many advicesC.some adviceD. an advice.可用语境分析法解答本题。句意:一为什么露 西看起来不开心? 一一因为她如此粗心,以至于 在作业中犯了很多拼写错误riend“朋友”;plan “计划;decis
20、ion ”决定”;mistake 错误make mistakes 犯错误。故选 D。8 .可用语境分析法解答本题。careless “粗心的”; tidy “整洁的;careful “细心的”;difficult “困难的二由后句“他经常在写作中犯错。”可 知,史蒂夫不如凯莉细心。故选C。速提升A. doesB. isC. doD. did4. -Bob, do you know when is a good time milk?2. Hal f the parents going to take part inthe meeting.A. isB. areC.will beI), be3.-
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