形容词和副词的比较级课件-2024-2025学年人教版八年级英语上册

形容词和副词的比较级 1 形容词：修饰名词或代词，表示性质，特征或属性一种词类。 它在句中作定语、表语和宾语补足语。 副词：用来修饰动词、形容词及其他副词。副词在句中多作状语。 一、形容词和副词的概念 2 二、形容词和副词的用法 ①形容词作定语一般放在被修饰的名词之前。如: a new book, two big trees ②形容词放在系动词be, look, sound, taste之后作表语。 如:1.I am short. She looks fine. It tasted good. 3 ③如果形容词修饰不定代词something, anything, everything, nothing等时，要放在不定代词后面。如:something interesting nothing new ④副词放在所修饰的动词之后、形容词和副词之前。 She works hard .（修饰动词） I am very busy.（修饰形容词） He runs too quickly .（修饰副词） We play happily. （修饰动词） 4 ⑤通常在形容词后加-ly变成副词 real → slow → slowly usual → usually easy → easily really careful→ carefully happy→ happily heavy → heavily angry→ angrily 5 faster fastest 6 Look at the pictures and understand 看图并理解 fast Look at the pictures and understand 看图并理解 big 7 bigger biggest 70kg 80kg heavy heavier heaviest 90kg 8 9 一、形容词和副词的级 形容词和副词有三个等级：原级，比较级和最高级 原级：形容词和副词的原形。 比较级：两个人或物之间的比较用比较级。表示“较……”或“更……一些”。 标志词：than (比） 例：I am older than Jim. 最高级：三个或三个以上的人或物之间的比较。表示“最……” 。 标志词：in+范围, of all, of +the+范围例：I am the tallest in my class. 10 tall taller tallest fast faster fastest nice nicer nicest 单音节词，比较级在词尾+ er，最高级 +est 以不发音的字母 e 结尾的 + r，最高级+st thin thinner thinnest 重读闭音节词词尾只有一个辅音字母时，双写辅音字母再 + er, 最高级+est 原形 比较级 最高级 11 原形 early 比较级 earlier 最高级 earliest 4.以辅音字母 + y 结尾的单 词，变 y 为 i + er，最高级变 y 为 i +est outgoing more outgoing most outgoing 5. 多音节词和部分双音节词, 在词前加 more，最高级在词前加most 12 二、比较级和最高级变化规则 1、单音节词，在词尾+er或est 2、以不发音的e结尾的，+r或st 3、重读闭音节，末尾只有一个辅音字母的，双写再加er或est 4、辅音字母+y结尾的，变y为i，+er或est 5、多音节词和部分双音节词,在词前加 more或most 13 不规则变化 原级 good/well bad/badly many/much little far old 比较级 better worse more less father/further older/elder 最高级 best worst most least farthest/furthest oldest/eldest big important more important easy easier wet wetter happy happier thin thinner good better hot hotter easily more easily many more nice nicer 试一试 14 most important easiest wettest happiest thinnest best hottest most easily most nicest biggest heaviest bigger heavy heavier delicious more delicious much more most delicious most 15 三、比较级的常用句型 1、“A比B更···” A+ be+形容词比较级+than +B A+行为动词+副词比较级+than +B Mary is taller than Joe. I run faster than my brother. 注意：than 后面的代词可以用主格，也可以用宾格，但是有助动词或情态动词时，只能用主格。 She is more outgoing than me / I. Gina jumps higher than I do. 16 2、“A和B哪一个更···？” Which/Who +is/行为动词+比较级, A or B? Which is more popular, the TV or the movie? Who studies harder, Jim or Jack? 3、“越来越···” 比较级+and+比较级（单音节词） more and more +原级（多音节词） The weather is getting colder and colder. He runs faster and faster. Our hometown is more and more beautiful. Shopping online is more and more popular. 17 4、“越···，就越···” the+比较级，the+比较级The busier he is, the happily he feels. The more you eat, the fatter you will be The harder you study, the more you will get. The more, the better. 5、“两者中比较……的一个” the + 比较级 + of the two… She is the quieter of the two girls. The bike is the older of the two. His is the taller of the two. This one is the more beautiful of the two picture. 18 6、数量或倍数的比较 具体数量+比较级+ than+ 比较对象 The road is two meters longer than that one . I am four years older than my sister . Our room is twice larger than theirs. 7、“比其他任何一个···都更···” 比较级+than any other+单数名词 He is smarter than any other student in the class. Today is hotter than any other day of a year. Shanghai is bigger than any other city in China. 8、同级比较，“A和B一样···” as ···as··· A+谓语动词+as+原级+as +B “A不如B···” not as/ so ···as··· She is as beautiful as her mother. The book is as new as that one. The question is not as / so difficult as that one. My bike is not as / so big as yours. 注意： The question is not so difficult as that one. =The question is easier than that one. My bike is not so big as yours. =My bike is smaller than yours. 19 20 四、比较级的修饰 比较级前面可以用even(更加)，much(…得多)， far(…得多)，a little(一点)，a bit(一点)， a lot(大量)，still(还要)等词语修饰，表示程度。 This pen is much better than that one. Tom is a little shorter than his friend Jim. 原级的修饰 原级前面可以用very, too, so, quite等修饰 very tall, too hot, so cold, quite interesting Which do you like better (well),apples or oranges? Who is older (old),Jim or Tom ? Jack is running faster and faster (fast) . Our country is becomingmoreandmore beautiful (beautiful). He is the taller (tall) of the the two boys. Lucy is much smarter (smart) than Lily. 21 (good) at (good) air we’ll have. 22 Miss Du is a little more outgoing (outgoing) than her sister. My English teacher is quite good telling stories. Jim runs very fast (fast), I can’t follow him English is as important (important) as Chinese. The more (many) trees we plant, the 12. Please speak louder (loud), I can’t hear you clearly. better $$