英语:比较级和最高级用法讲解课件.ppt
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1、形容词和副词的比较级和最高级。形容词和副词的比较级和最高级。 大多数形容词和副词有三个等级:原级、比较级、大多数形容词和副词有三个等级:原级、比较级、最高级。原级指形容词和副词的原形;比较级用最高级。原级指形容词和副词的原形;比较级用来表示来表示“较较”或或“更更一些一些”;最高级则表;最高级则表示示“最最”Grammar:一、形容词和副词的原级:1.表示两者(A与B)在某一方面相同时用句型: A + 谓语谓语 + as + 形容词或副词的原形形容词或副词的原形 + as+ B. eg: Tom 和 Sam 一样高。 Tom is as tall as Sam. Tom 和 Sam 跑得一样快
2、。 Tom runs as fast as Sam. 英语和数学一样重要。 English is as important as math. Lucy 和Lily 学习一样好。 Lucy studies as well as Lily.2. 两者(A与B)在某一方面A不如B时用句型: A + 谓语谓语+ not as / so + 形容词或副词的原形形容词或副词的原形 + as+ B. eg: Tom 不如 Sam 高。 Tom is not as / so tall as Sam. Tom 不如 Sam 跑得快。 Tom doesnt run as / so fast as Sam. 英语不
3、如数学重要。 English is not as / so important as math. Lucy 不如Lily 学习好。 Lucy doesnt study as / so well as Lily.形容词的比较级形容词的比较级一: 用法用于两者(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)形容词比较级主语谓语(系动词)形容词比较级than对比对象。对比对象。 eg: 吉姆比迈克高。吉姆比迈克高。 Jim is taller than Mike. 迈克比吉姆矮迈克比吉姆矮 Mike is shorter
4、than Jim. A + 谓语谓语 + 形容词或副词的比较级形容词或副词的比较级 + than + B. eg: Tom 比比 Sam 高。高。 Tom is taller than Sam. Tom 比比 Sam 跑得快。跑得快。 Tom runs faster than Sam. 英语比数学重要。英语比数学重要。 English is more important than math. Lucy 比比Lily 学习好。学习好。 Lucy studies better than Lily.Which goes faster, the bike or the car? The car goe
5、s faster than the bike. The bike goes fast.Which flies higher,the plane or the bird?The plane flies higher than the bird .The bird flies high.Which runs faster, the dog or the sheep?The dog runs faster than the sheep.The sheep runs fast. ¥100 ¥200 Which is more expensive , the brown coat or the the
6、yellow coat?The yellow coat is more expensive than the brown one.The brown coat is expensive.Donald duckHarry PotterWhich is more interesting?Harry potter is more interesting than Donald duck.Donald duck is interesting.than 后面接代词时,一般要用主格,但在口语中也可以换成宾格。 eg: He works more carefully than I (me). 他比我工作更细
7、心。(3)“比较级+and+比较级”表示“越来越” eg: He becomes fatter and fatter. 他越来越胖了。 She studies better and better. 她学得越来越好了。(4)“The +比较级,the +比较级”表示“越,越” eg:他越忙就越高兴。 The busier he is ,the happier he feels. 你吃的越多,你就越胖。 The more you eat, the fatter you will become.(5)形容词比较级前可加数词,表示“大(小)多少”“长(短)多少” eg:He is five years
8、 younger than me. 他比我小五岁。(6)表示倍数时用:times+比较级+than eg:My room is three times bigger than yours.Which means of transportation is safer? busplaneWhich country is larger?U.S.AAustraliaThe yellow RiverWhich river is longer?The Changjian RivervegetablespizzaWhich is more delicious?Who is more popular?Beck
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