1、小学英语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,位于名词的前面。 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”。 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,
2、不能修饰比较级。 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
3、在含有or的选择疑问句中,如果有两者供选择,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 smaller short shorter 2在重读闭音节(即: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 hotter 3以不发音e结尾的单音节词,比较在原级后加 ; 如:large larger nice nicer 4以“辅音字母y”结尾的双音节词, ,比较级加 ; 如:easy easier heavy hea
4、vier5多数多音节词,比较级在前面加 ; 如:beautiful more beautiful different more different 6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 little far 专项练习:一、写出下列形容词的比较级old_ young_ tall_ long_short_ strong_ big_ small_fat_ thin_ heavy_ light_nice_ good_ beautiful_low_ high_ slow_ fast_二、翻译句子:1、谁比Jim年纪大?是你。_
5、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 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
6、 _ as_ twin _?No, _ _ than him. 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。I _ as _ as Mike.比你跑得快吗?不是的,他和我跑得一样快。_ Tom _ _ than you?No,he _. He_ as_ as_.11.多做运动,你会更强壮。_ more exercise,youll _ _ soon.12.我的科学很好,但是语文不好。I _ _ at I dont _ well in Chinese.13. 你放风筝比王兵放得高吗?不,我比他放
7、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 my_ _ _than me. 形容词的最高级定义: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
8、高级构成规律:1一般情况下,最高级在后面加 ; 如:small smallest short 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; 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 nicest 4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 beautiful different most different 6有
9、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 many/much little far 注意: 形容词最高级前一定要有the, 而副词最高级则不需要。总结规则变化构成法原级比较级最高级单音节词+er/estshortshortershortestcoldcoldercoldest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,双写末尾辅音字母+er/estbigbiggerbiggesthothotterhottest以辅音字母+y结尾的词,变y为i+er/estheavyhe
10、avierheaviestbusybusierbusiest多音节词在前面+more/mostimportantmore importantmost importantbeautifulmore 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/wellbetterbestolder(岁数大,东西旧)oldest两坏病bad/badly/illworseworst远距离farfarther(距离远)farthest一少littlelessleastf
11、urther(程度深,深入)furthest专项练习:一、写出下列形容词的最高级。 ill 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. What 3. The giraffe is the ( ) animal. A. tallest B. smaller C. tall D. smallest4. Ruby is the ( ) dancer. A. best B.
12、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。1My brother is two years _ (old) than me.2. Is your sister _ (young) than you? Yes, she is.3. Who is _ (thin),you or Helen? Helen is.4. Whose pencil-box is _ (big), yours or hers? Hers is.5Ben
13、 jumps _ (high) than some of the boys in his class. 6Does Nancy sing _ (well) than Helen? Yes, she does. 7My eyes are _(big) than hers. 8Which is _ (heavy), the elephant or the pig? 9Who gets up _ (early), Tim or Tom? 10Do the girls get up_(early) than the boys? No, they_.11Jim runs _ (slow). But Be
14、n runs _ (slow).二、选择。( )1. The yellow shoes are than the blue ones.B. expensiverC. more expensive( )2. A cow is bigger than a mouse. ( )3. Whos the ,Jean,Joan or Jennet?( )4. Tim is than Jack. funny( )5. Im taller than others in my m . tallest( )6. Who can sing better Rose?C./ ( )7. I have books tha
15、n you have.( )8. His uncles house is very . ( )9. My bike is ,but his bike is .,new,newer,newest( )10. Please clean your s now.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 think.4Yang Ling每天睡得比Su Yang晚。 Yang Li
16、ng _ 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 doesnt _ _in PE. But I dont _ _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
17、is as_ ( tall) as Jim.4. I am much _( well) than yesterday.5. This skirt is _( expensive) of the three.6. The weather today is _(hot) than it was yesterday.7). Lucy writes _(careful) than her brother.8)Today is _(busy) day this week.9)That is _ (easy ) of all.10). He is _ (clever ) boy in the class.11). John is _ ( short ) than Tom.12). This box is _ ( heavy ) than that one.
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