Unit 13 We're trying to save the earth! Section B 3a—Self Check 课件 2023-2024学年英语人教版九年级全册

2024-03-15
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Section B 3a—Self Check Unit 13 We're trying to save the earth! 英语人教版 九年级全册 构词法 ►点拨 英语中有很多单词的构成是有规律的,掌握单词的构成规律有助于理解和记忆词汇。本课时主要学习了派生法,即在一个单词前面或后面加上一个词缀构成新词。加在单词前面的词缀叫前缀,加在单词后面的叫后缀。 语言知识  1.前缀 前缀 含义 例子 un-, dis-, in-, im- 不;非,表示否定 unhappy, disagree, incorrect, impolite bi- 两个、双边的 bicycle re- 又;再;重新 recycle, reuse, retell inter- 相互、交叉、在一起 international, interview, Internet self- 自己,本身 self-confident, self-control under- 在……下面 underline, underground tele- 远 telephone, television 2.后缀 类别 后缀及含义 例子 名词 后缀 -er, -or, “从事某种职业的人” farmer, teacher, visitor, actor -ese, -ian “某国/大陆的人” Chinese, Japanese, Asian, Russian -ist “人” scientist, tourist, artist, pianist -ment “行为或其状态” movement, achievement -ness “性质,状态” illness, sadness, carelessness -tion “表示动作、状态” invention, invitation, translation -ance/ence “行为、性质、状态” importance, appearance -th “性质、情况” depth, warmth, truth 形容词 后缀 -ful “充满……的” careful, hopeful, successful -less “没有的” careless, hopeless, homeless, helpless -able “能……的” changeable, comfortable -y “有……特性的” sunny, windy, snowy, healthy -al “与……有关的” traditional, international, natural -ing, -ed, -ive relaxing, relaxed, interesting, interested, active, creative 副词后缀 -ly “方式,程度” freely, truly, angrily, sadly, strongly, busily 拓展 其他常见的构词法 1.合成法:由两个或两个以上的单词连在一起合成一个新词,这种构词法叫做合成法,合成的词叫做合成词。如:outside, sunrise, blackboard, newspaper, homework, housework, upside, everywhere, without等。 2.转化法:一个单词由一种词性转化为另一种词性,而词形不变,单词转化后的意义往往与之前的意义联系密切。 转化方式 例子 动词→名词 stop v.停止→n.车站     look v.看→have a look n.看 watch v.观看→n.手表   walk v.散步,走→take a walk n.散步 名词→动词 hand n.手→v.上交 show n.展示;秀→v.展示;上映 water n.水→v.给……浇水 形容词→动词 open adj.开着的→open v.打开  clean adj.清洁的→clean v.打扫 1.Many poets and artists have drawn their __________(inspire) from nature. 2.With the _____________(develop) of the society, more and more people devote their energy to charity. 3.(2022云南中考)Tourists can see many western­style __________(build) in Shanghai Disneyland. 4.(2022百色中考)It's such an exciti

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Unit 13 We're trying to save the earth! Section B 3a—Self Check 课件 2023-2024学年英语人教版九年级全册
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Unit 13 We're trying to save the earth! Section B 3a—Self Check 课件 2023-2024学年英语人教版九年级全册
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Unit 13 We're trying to save the earth! Section B 3a—Self Check 课件 2023-2024学年英语人教版九年级全册
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Unit 13 We're trying to save the earth! Section B 3a—Self Check 课件 2023-2024学年英语人教版九年级全册
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Unit 13 We're trying to save the earth! Section B 3a—Self Check 课件 2023-2024学年英语人教版九年级全册
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Unit 13 We're trying to save the earth! Section B 3a—Self Check 课件 2023-2024学年英语人教版九年级全册
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