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第四节 形容词考点考点 1 形容词的定义、用法及位置形容词的定义、用法及位置形容词修饰名词或不定代词，表示人或事物的性质、特征或状态，在句子中主要用作定语、表语、补足语、状语等。1.作定语，放在名词前， 不定代词后。如：He is an honest boy.He has something important to tell you.2.作表语，放在系动词的后面。常见的系动词有be 动词，look, seem, taste, sound, feel, smell, become, grow, get等。如：考点考点1 形容词的定义、用法及位置形容词的定义、用法及位置The chicken smells good.3.有些形容词只能作表语， 所以称为表语形容词。这类形容词没有级的变化，也不可用程度副词修饰：afraid, alive, alone, asleep, awake等以字母“a”开头的形容词。4.大部分形容词加-ly可构成副词。但friendly, deadly, lovely, lonely, likely, lively, ugly, brotherly等仍为形容词。如：She is a lovely girl.有些以-ly结尾的既为形容词，也为副词： daily, weekly, monthly, yearly。如：考点考点1 形容词的定义、用法及位置形容词的定义、用法及位置This is Marys daily life. We go shopping weekly.5.作宾补，放在宾语后面，常与make, keep, leave等动词连用。如：Please keep the room clean and tidy.6.形容词加上定冠词the可泛指一类人，与谓语动词的复数连用。如：We should take care of the old. The poor are losing hope.考点考点1 形容词的定义、用法及位置形容词的定义、用法及位置7.多个形容词修饰名词时，其顺序为：限定词数量词（序数词在前，基数词在后）形状形容词大小、长短、高低等形体新旧颜色材料名称。如：Look at those three beautiful large square old brown wood tables.考点考点 2 形容词比较等级的构成和用法形容词比较等级的构成和用法1. 大多数形容词有比较级和最高级的变化。原级即形容词的原形，比较级和最高级有规则变化和不规则变化两种。(1) 规则变化：单音节词和少数双音节词，词尾加-er, -est来构成比较级和最高级。(2) 不规则变化。2. 形容词原级、比较级和最高级的用法。(1) as+形容词原级as在否定句或疑问句中可用so+形容词+as。如：He cant run so/as fast as you can.考点考点 2 形容词比较等级的构成和用法形容词比较等级的构成和用法(2) 形容词比较级+than比较级不能重复使用，但比较级前可用much, even, still, a little, a bit, rather, far, a lot来修饰。如：(错) He is more cleverer than his brother.(对) He is cleverer than his brother. 可以说：He is much cleverer than his brother.要避免将主语包含在比较对象中。如：(错) He is taller than any student in his class.(对) He is taller than any other student in his class.考点考点 2 形容词比较等级的构成和用法形容词比较等级的构成和用法(对)He is taller than the other students in his class.要注意对应句型，遵循前后一致的原则。The population of Beijing is larger than that of Zhuhai.It is easier to make a plan than to carry it out.要注意冠词的使用，后有名词的时候，前面才有可能有冠词。如：Which is larger, China or Britain? = Which is the larger country, China or Britain?考点考点 2 形容词比较等级的构成和用法形容词比较等级的构成和用法The+比较级主谓，the比较级主谓。The harder you work, the more money you will get.比较级and+比较级The city is becoming cleaner and cleaner.The garden is becoming more and more beautiful.考点考点 2 形容词比较等级的构成和用法形容词比较等级的构成和用法比较级用于否定结构，表示“最不过”I cant buy anything better.我买不到比这更好的东西了。 (3) the+最高级比较范围形容词最高级前通常必须用定冠词the (最高级前有形容词性物主代词修饰的除外)。形容词most 前面没有the,不表示最高级的含义，只表示“非常”。It is the busiest day. (最高级前要有the)It is my busiest day. (最高级前有代词，不用the)考点考点 2 形容词比较等级的构成和用法形容词比较等级的构成和用法It is a most important meeting. = It is a very important meeting.使用最高级要注意将主语包括在比较范围内。(错) Mary is the most beautiful of her four sisters.(对) Mary is the most beautiful of the four sisters.句型转换：Jack is the smartest in his class. = Jack is smarter than any other student in his class.考点考点 2 形容词比较等级的构成和用法形容词比较等级的构成和用法 Nothing is so easy as this. = Nothing is easier than this. = This is the easiest thing.倍数的表达。A is 数词times + asas + B.The red box is three times as heavy as the blue one.A is 数词times + the+ n. + of B.The red box is three times the weight of the blue one.考点考点 2 形容词比较等级的构成和用法形容词比较等级的构成和用法A is 数词times+ adj. 比较级than B.The red box is twice heavier than the blue one.一半的表达：half asasThis book is half as thick as that one.
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