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1、The Use of Adjectives & Adverbs,Lets read!,形容词的比较级构成,规则变化,不规则变化,形容词比较级最高级规则变化,1.一般+er/est eg：cold strong fast slow 2.以字母e结尾+r/est eg：nice large,3.词末只有一个辅音字母时，应先双写辅音 字母+er/est eg: thin fat,4.以“辅音字母+y”结尾的双音节词，先改“y”为“i”,+er/est eg: funny easy,5.多音节词和部分双音节词，在词前加more/most eg: beautiful serious,二、形容词和副词比较
2、级的不规则变化,better,worse,less,more,farther further,older elder,三、部分形容词和副词的比较级的特殊情况：,1、某些单音节形容词，加more 构成比较级。 glad more glad pleased more pleased tired more tired,2、有些双音节和单音节形容词，既可以加er构成比较级，也可以加more 构成比较级。 friendly friendier more friendly huge huger more huge calm calmer more calm true truer more true cle
3、ver cleverer more clever,important easy wet happy careful thin good hot easily many big heavy delicious,练习：写出下列词的比较级,more important,easier,wetter,happier,more careful,thinner,better,hotter,more easily,more,bigger,heavier,more delicious,写出下列单词的比较级和最高级,clever safe heavy difficult early new thin,Can yo
4、u say?,cleverercleverest,safersafest,heavierheaviest,more difficultmost difficult,earlierearliest,newernewest,thinner thinnest,原级 比较级 最高级,fast short big thin funny heavy athletic expensive,faster shorter bigger thinner funnier heavier more athletic more expensive,Fastest Shortest Biggest Thinnest Fu
5、nniest Heaviest Most athletic Most expensive,原级的常用句型,1.as+adj./adv.（原级）+as (和一样),2.否定 not so/as+形容词原形+as (和 不一样;不如),3.倍数+as+ adj.（原级）+as (是的几倍),1. 比较级+than (“比更”),比较级的常用句型,2.“The+比较级，the+比较级” (“越就越”),3.“比较级+and+比较级” 或“more and more 原级” (“越来越”),4.表示不及另一方时，使用“less+原级+than (“不如”),5.Who/Which 谓语比较级,A or
6、 B? (A/B谁/哪个更?),6.倍数+比较级+than (比多几倍）,形容词的比较级,用于两者（人或物）之间，表示“其中一个比另一更”或“较”，后面通常用连词than连结另一个比较的对象，其基本句型是： 主语谓语（系动词/行为动词）形容词比较级（+其它）than对比对象。 eg:,（3）“比较级+and+比较级”表示 “越来越” eg:In spring,the days are getting longer and longer. 春天，日子越来越长了。 She is more and more athletic . 她越来越健壮了。,than 后面接代词时，一般要用主格，但在口语中也可
7、以换成宾格。 eg: He is good at math than I (me). 他比我更擅长数学。,二. 原级和比较级前面通常使用的修饰词： （一）在原级前面通常使用very, quite, too, much too, a little, as, so， really等。 eg: 1. The room is very big. 2. The person is quite clever. 3. Today is too hot. 4. He eats too much, so hes much too heavy. 5. He is a little angry.,（二）在比较级前面
8、使用的修饰词有： even（更，更加）， still，a little/a bit（有点）， far/ much/ a lot （更加，的多） eg: 1. Yesterday was hot, but today is even hotter. 2. Im a little taller than Mary. 3. This skirt is far/ much/ a lot more beautiful than that one.,Which country is larger?,U.S.A,Australia,USA is larger than Australia.,The Yell
9、ow River,Which river is longer?,The Changjian River,The Changjiang River is longer than the Yellow River.,vegetables,pizza,Which is more delicious,vegetables or pizza?,(9)表示两者之间的选择， 可使用“Which who is+ 比较级，or?”,Who is more popular,Beckham or Zhao Benshan?,Beckham,Zhao Benshan,最高级的常用句型,4.表示三者之间的选择可使用 “
10、Which/Who + 谓语+the +最高级 , or?”,1.the+最高级+of (in),2.one of the+最高级+名词复数,3.the+序数词+最高级,1.Hainan Island is the second _(large) island in China.,2.Zhao Lei is one of _ (young) boys in his school.,3.Which do you like _ (well),Chinese, English or math?,largest,the youngest,best,Can you do it?,4. Jim jumpe
11、d _ (high) of all.,(the) highest,5.He is _ (popular) student in our class.,the most popular,Li Leis box is heavy.,Han Meimeis box is heavier than Li Leis.,Jims box is the heaviest of all.,The bee is flying fast.,The bird is flying faster.,The plane is flying the fastest.,250,000 RMB.,50,000 RMB.,The
12、 green car is the most expensive.,The red cat is more expensive than the bike.,The bike is expensive.,500 RMB,(10)形容词原级的常用句型,Tom is as tall as Mike. 汤姆和迈克一样高。,as+形容词原形+as,There are as many students in our class as yours. 我们班有和你们班一样多的学生。,Tom is as old as Mike. 汤姆和迈克一样大。,否定 not as+形容词原形+as “和 不一样” 或 n
13、ot so+形容词原形+as “不及不如,Lucy is not as tall as Mike.,Lucy is not so tall as Mike. 露西没有迈克那样高。,二. 原级和比较级前面通常使用的修饰词： （一）在原级前面通常使用very, quite, too, much too, a little, as, so 等。 eg: 1. The room is very big. 2. The person is quite clever. 3. Today is too hot. 4. He eats too much, so hes much too heavy. 5. H
14、e is a little angry.,（二）在比较级前面使用的修饰词有： even（更，更加），a little（有点）， far/ much/ a lot （更加，的多） eg: 1. Yesterday was hot, but today is even hotter. 2. Im a little taller than Mary. 3. This skirt is far/ much/ a lot more beautiful than that one.,1. The environment in our hometown is _ than it was before.,go
15、od B. worse C. better D. bad,2. I can type _ than I can write by hand.,A. fast B. much faster C. more faster D. fastest,3. -Have you decided which youd like to buy, the black shirt or the yellow one? -The black one. Because it is _ of the two.,A. the nicer B. the nicest C. nicer,4. Lilei is _ than any other _ in his class.,A. tall, students B. taller, students C. taller, studen
