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1、.,形容词 副词原级、比较级 和 最高级,.,small,big/large,.,high,low,98,36,Mary,Tom,.,tall,short,.,hard,soft,.,sweet,sour,.,pretty,ugly,.,fresh,stale,.,clever,stupid,.,1+1=?,1067x582-231=?,easy,difficult,.,small,big/large,The yellow box is smaller than the green one.,.,high,low,98,36,Mary,Tom,Marys mark is higher than
2、 Toms.,.,tall,short,The boy is taller than the girl.,.,hard,soft,The stone is harder than the bread.,.,sweet,sour,Watermelon is sweeter than lemon.,.,pretty,ugly,Snow white is prettier than the witch.,.,fresh,stale,This apple is fresher than that one.,.,clever,stupid,The goat is cleverer than the wo
3、lf.,.,1+1=?,1067x582-231=?,easy,difficult,This math question is easier than that one.,.,形容词的比较级和最高级,两者进行比较时，用比较级，“比更”。 三者或三者以上进行比较时，用最高级， “最”. 比较级的变化规则： 1）单音节词尾加er和est变成比较级和最高级 newnewer-newest hard harderhardest greatgreatergreatest,.,2.单音节以e结尾，只加r和st -largelargerlargest -nicenicernicest 3.以重读闭音节结尾，
4、且词尾只有一个辅音字母的词，应双写这个辅音字母，再加er, est. -fatfatterfattest -bigbiggerbiggest,.,4. 以辅音字母+y结尾的单词，先把y去掉，再加ier和iest. -easyeasiereasiest -happyhappierhappiest 5.其它双音节和多音节词皆在词前面加more和most -difficultmore difficultmost difficult -importantmore importantmost important,.,6.不规则变化 -good/wellbetterbest -bad/illworsewo
5、rst -many/muchmoremost -little/fewlessleast,.,用法,1. 比较级只用于两者之间 常用于比较级+than结构中。 他比我胖 He is fatter than I. 2.最高级常用于“the+最高级+比较范围”结构 她是这个班里最好的学生。 She is the best student in the class. 他在这个班唱歌最好。 He sings (the)best in the class. 形容词最高级加the,副词最高级常可省去the.,.,练习,1) 他比我要聪明 2)中国比美国大 3)他们比我们跑得快 4)这幅画比那幅画漂亮 5)这
6、个女孩是全班最瘦的 6)他开车是所有人当中最快的一个。,.,1) 他比我要聪明 He is cleverer than me. 2)中国比美国大 China is larger than the U.S. 3)他们比我们跑得快 They run faster that us. 4)这幅画比那幅画漂亮 This picture is more beautiful than that one. 5)这个女孩是全班最瘦的 The girl is the thinnest in her class. 6)他开车是所有人当中最快的一个。 He drives (the) most quickly amon
7、g them all.,.,long big large busy cold thin happy,longer bigger larger busier colder thinner happier,.,easy pretty heavy ugly fat hot sad,easier prettier heavier uglier fatter hotter sadder,.,interesting difficult beautiful boring,more interesting more difficult more beautiful more boring,.,good bad
8、 many much few little well,better worse more more fewer less better,.,The red dress is _ (large) than the blue one. The boy is _ (tall) than the girl. The blue suitcase is _ (heavy) than the brown one. This dictionary is _ (expensive) than that one. Mary is _ (thin) than Sam.,larger,taller,heavier,m
9、ore expensive,thinner,.,It is warm today, but it was _warmer_ yesterday. It is wet today, but it was _ yesterday. Hes late again today, but he was _ yesterday. The test is easy, but that one is _. This bookcase is large, but that one is _.,wetter,later,easier,larger,.,This is the largest dress in th
10、e shop. Hans is the tallest student in our class. Yesterday was the hottest day in the year. The green suitcase is the heaviest of them all. It is the most expensive car I have ever seen.,.,This policeman is tall. He is the tallest policeman I have ever seen. This street is clean. It is _ _street I have ever seen. This river is long. It is _ _ _ I have ever seen.,the,cleanest,the,longest,river,.,The knife is blunt. _ _ _ _ _ I have ever seen. This man is old. _ _ _ _ _ I _ _ _.,It,is,the,bluntest,knife,He,is,the,oldest,man,have,ever,seen,
