小学英语形容词比较级最高级重点讲解及练习.doc
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小学英语中的形容词比较级和最高级是学习者必须掌握的重要语法点,它们用于表示人或事物间的程度差异。在英语中,形容词有三种形式:原级、比较级和最高级。 我们来看一下形容词比较级和最高级的基本构成规则: 1. 单音节和部分双音节形容词,通常在其后加"-er"构成比较级,加"-est"构成最高级。例如:tall -> taller -> tallest,long -> longer -> longest。 2. 以字母"e"结尾的形容词或副词,直接加"-r"和"-st"。如:nice -> nicer -> nicest,fine -> finer -> finest。 3. 对于以重读闭音节结尾且末尾只有一个辅音字母的形容词,需双写该字母后再加"-er"和"-est"。比如:big -> bigger -> biggest,hot -> hotter -> hottest。 4. 以"辅音字母+y"结尾的形容词,将"y"变为"i",再加"-er"和"-est"。例如:heavy -> heavier -> heaviest,busy -> busier -> busiest。 5. 部分双音节和多音节形容词,在原级前加"more"构成比较级,加"most"构成最高级。如:beautiful -> more beautiful -> most beautiful,difficult -> more difficult -> most difficult。 6. 有些形容词的比较级和最高级是不规则变化的,如: - little/few -> less -> least - good -> better -> best - bad -> worse -> worst - far -> further/farther -> furthest 在实际应用中,形容词的比较级和最高级常用于表达程度的对比,例如:"Tom is as tall as John."(汤姆和约翰一样高),"Bob is taller than John."(鲍勃比约翰高)和"John is the tallest in his class."(约翰是班上最高的)。 接着,我们来做一些练习题: 1. nice -> nicer -> nicest 2. fat -> fatter -> fattest 3. slow -> slower -> slowest 4. dry -> drier -> driest 5. happy -> happier -> happiest 6. wet -> wetter -> wettest 7. much -> more -> most 8. ill -> sicker -> sickest 9. little -> less -> least 10. bad -> worse -> worst 11. thin -> thinner -> thinnest 12. far -> farther/further -> farthest/furthest 13. early -> earlier -> earliest 14. careful -> more careful -> most careful 15. exciting -> more exciting -> most exciting 16. busy -> busier -> busiest 现在,我们将这些形容词的比较级和最高级应用于句子中: 1. Mr. Smith is the richest man in this office. (史密斯先生是这个办公室里最富有的人。) 2. Winter is the coldest season of the year. (冬天是一年中最冷的季节。) 3. It is much hotter today than yesterday. (今天比昨天热多了。) 4. She is a little more careful than her classmates. (她比她的同学们更细心一点。) 5. Fewer people came to the meeting than last time. (来开会的人比上次少。) 6. Which book is easier, this one or that one? (哪本书更容易,这本还是那本?) 7. My room is smaller than yours. (我的房间比你的小。) 8. Hainan is farther from Beijing than Hunan. (海南离北京比湖南远。) 9. Skating is more exciting than swimming. (滑冰比游泳更刺激。) 10. Jim is more honest than all the others. (吉姆比其他人都诚实。) 11. Things are getting worse and worse. (事情变得越来越糟。) 12. The higher you climb, the colder it will be. (你爬得越高,天气就越冷。) 掌握形容词比较级和最高级对于提高英语水平至关重要,尤其是对于小学阶段的学生,这有助于他们在日常对话和写作中准确地表达程度和比较。通过不断的练习和应用,学生可以更好地理解和运用这一语法概念。
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