小学英语形容词的比较级

1、形容词的比较级定义：形容词是用来修饰物体的形状，大小，长度，属性，特点等，位于名词的前而。而形容词的比较 级表示两者间的比较。结构：1. “A + be +形容词比较级+ than + B”意思为“A比B更”如：This tree is taller than that one.这棵树比那棵树高。注意：在含有连词than的比较级中，前后的比较对象必须是同一范畴，即同类事物间的比较。在比较级前面使用much,表示程度“强得多工如：A watermelon is much bigger than an apple.西瓜比苹果大得多。very, quite 一般只能修饰原级，不能修饰比较级。2. “

2、become +形容词比较级+ and +形容词比较级”是“变得越来越”的意思，and连接 同一个形容词的比较级。如：It becomes warmer and warmer when spring comes.春天来了，天气变得越来越暖和了。注：表示“越来越”时，若比较级是“原级+ er”构成的，则常用“比较级+ and +比较级” 形式：若比较级是“more +原级”构成的，需用“more and more +原级形式”。如：Our school is becoming more and more beautiful.我们的学校变得越来越美丽。3. 在含有。r的选择疑问句中，如果有两者供选

3、择，前面的形容词要用比较级形式。如：Who is taller, Tim or Tom?谁更高，Tim 还是 Tom?形容词比较级构成规律1. 一般情况下，比较级在后面加；如：small smallershort shorter2 .在重读闭音节（BP：辅音+元音+辅音）中，先双写末尾的辅音字母，比较级加-er,如：big bigger hot hotter3 .以不发音e结尾的单音节词，比较在原级后加如：large -*larger nice nicer4.以“辅音字母+ y”结尾的双音节词,如：easy easier heavy heavier5.多数多音节词，比较级在前面加.如：beau

4、tiful -* more beautifuldifferent moredifferent6.有少数形容词的比较级是不规则的,必须熟记。如：good/well -bad->old-*many/much-*littlefar专项练习:一、写出下列形容词的比较级oldyoungtalllongshortstrongbigsmallfatthinheavylightnice good beautiful_lowhigh_slowfast二、翻译句子:1、谁比Jim年纪大？是你,isthan Jim?are2、谁比David更强壮?是Gao Shan.than David? Gao Shan3

5、、谁的铅笔更长，他的还是她的？我想是她的。 pencil is ,or? is, I think.4、谁的苹果更重，你的姐姐的还是你的弟弟的？我的弟弟的。 apples, your or your ?My.5、你和你的叔叔一样高吗？是的。as as your uncle?Yes, I am.6、他和他的朋友Jim一样年轻。He as as Jim.7、她和她的双胞胎哥哥一样胖吗？不，她比他瘦。as as twin ?No,than him.8 . Yang Ling每天睡得比SuYang晚,Yang Ling to than Su Yang every day.9 .我跳得和Mike 一样远。

6、I as as Mike.10 . Tom比你跑得快吗？不是的，他和我跑得一样快。 Tom than you?No, he . He as as11 .多做运动，你会更强壮。 more exercise, you* 11 soon.12 .我的科学很好，但是语文不好。I at Science. But I don' t well in Chinese.13 .你放风筝比王兵放得高吗？不，我比他放得低。you the kite than Wang bing?No, I it than.14 .我喜欢游泳。我所有的朋友都游得比我慢。I like. All my than me.形容词的最高

7、级定义:形容词、副词的最高级形式主要用来表示三者或三者以上人或事物的比较，表示“最”的意思。结构：三者或三者以上物体比较用最高级，最高级通常在词尾加est.句子中有表示范围的词或短语。如：of the three, in our class 等等。He is the tallest in our class.他在我们班里是最高的。注意：形容词最高级前一定要有定冠词the,而副词最高级前则不需要。形容词最高级构成规律：1. 一般情况下，最高级在后面加:如：small smallestshort shortest2 .在重读闭音节（即：辅音+元音+辅音）中，先双写末尾的辅音字母，最高级加-est：

8、如：big biggest hot -* hottest3 .以不发音e结尾的单音节词，最高级在原级后加：如：large largest nice nicest4 .以“辅音字母+y”结尾的双音节词，,最高级加:如：easy easiest heavy heaviest5 .多数多音节词，最高级在前面加；如：beautiful most beautifuldifferent most different6 .有少数形容词、副词的比较级和最高级是不规则的，必须熟记。如：good-* bad old fmany/much 一 little far -*注意：形容词最高级前一定要有the,而副词最高

9、级则不需要。总结规则变化构成法原级比较级最高级单音节词+er/e s tshortshortershortestcoldcoldercoldest以不发音e结尾的词+r/stwidewiderwidestlargelargerlargest单个辅音字母结尾的重读闭音节词，双与末尾辅音字母+er/estbigbiggerbiggesthothotterhottest以辅音字母+y结尾的词，变y为i+er/estheavyheavierheaviestbusybusierbusiest多音行词在前面+more/mostimportantmore importantmost importantbea

10、utifulmore beautifulmost beautiful不规则变化口诀原级比较级最高级口诀原级比较级最高级两多many/ muchmoremost一老oldelder （家庭中表长幼）eldest两好good/ wellbetterbest。:Lder （岁数大，东西旧）oldest两坏病bad/badly/illworseworst远距离farfarther （距离远）farthest一少littlelessleastfurther （程度深，深入）furthest专项练习：一、写出下列形容词的最高级。3. tall16. dark32.beautiful4.young19. b

11、ig34.expensive6.strong20.thin35. important9. high21. hot36. different10. slow23.large39. bad/ill12.high24.heavy40. far14.cheap26. easy41. old15.bright29.pretty30. funny二、单项选择1. The whale is the () animal.A. heavy B. heavier C. heaviest D. ligthest2. () hair is the longest?A. Who B. Whose C. Whom D.

12、What3. The giraffe is the () animal.A. tallest B smaller C. tall D. smallest4. Ruby is the ()dancer.A. best B. good C. better D. bestest5. Josh is the ()at singing.A. bad B. good C. worst D. better课后作业一、根据句意填入单词的正确形式。1. My brother is two years (old) than me.2. Is your sister (young) than you? Yes, s

13、he is.3. Who is (thin), you or Helen? Helen is.4. Whose pencil-box is (big), yours or hers? Hers is.5. Ben jumps (high) than some of the boys in his class.6. Does Nancy sing (well) than Helen? Yes, she does.7. My eyes are (big) than hers.8. Which is (heavy), the elephant or the pig?9. Who gets up (e

14、arly), Tim or Tom?10. Do the girls get up(early) than the boys? No, they11. Jim runs (slow). But Ben runs (slow).二、选择。()1. The yellow shoes are than the blueA.expensiveB. expensiver()2. A cow is bigger than a mouse.A. muchB. more()3. Who' s the , Jean, Joan or Jennet?A. thinnerB. thinest( )4. Ti

15、m is than Jack.A. funnyB. much funny()5. I'm taller than others in my class.I * m A.tallB. tallest()6. Who can sing better Rose?A. thanB. then( )7. I have books than you have.A. manyB. much()8. His uncle' s house is very .A. oldB. older()9. My bike is , but his bike is A. new, newB. new, new

16、er()10. Please clean your room. It' s now.A. cleanB. dirtyones.C. more expensiveC. manyC. thinnestC. funnierC. the tallestC./C. moreC. oldestC. new, newestC. tidy四、翻译句子。1 .谁比Jim年纪大？是你。 is than Jim? are2 .谁比David更强壮？是Gao Shan. than David? Gao Shan .3 .谁的铅笔更长，他的还是她的？我想是她的。 pencil is , or ? is, I t

17、hink.4 . Yang Ling每天睡得比Su Yang晚。Yang Ling to than Su Yang every day.5 .你放风筝比王兵放得高吗？不，我比他放得低。 you the kite than Wang Bing?No, I it than .6 .我的姐姐起得比我早。My up than me.7 .她不擅长体育。但我跳得没有她高。She doesn' t in PE. But I don* t than五、用所给词的正确形式填空。1. Maria is (thin). Lucy is (thin) than Mary.2. Mike is (heavy) boy in his class.3. Tom is as ( tall) as Jim.4. I am much ( well) than yesterday.5. This skirt is ( expensive) of the