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1、单元语法小专题Grammar Focus 语法精讲形容词和副词的比较级与最高级1.形容词和副词的比较级与最高级的变化方法如下：（1）规则变化情况规则例词一般情况直接加-es;-esttall-taller-tallest以不发音的字母e结尾的词加-r;-stnice-nicer-nicest以“辅音字母+y”结尾的词变y为i再加-er;-estdry-drier-driestheavy-heavier-heaviest来源:gkstk.Com以一个辅音字母结尾的词先双写辅音字母，再加-er;-estthin-thinner-thinnest多音节和部分双音节单词在词前加more;mostdel
2、icious-moredelicious-mostdelicious（2）不规则变化原级比较级最高级good, wellbetterbestbad, illworseworstmany, muchmoremostlittlelessleastfarfarther/furtherfarthest/furthest2.形容词和副词比较级的用法级别比较程度表达方式和意义例句备注来源:学优高考网gkstk原级同等程度肯定as原级as(像一样)来源:学优高考网gkstkArt is as interesting as music.Play as well as you can.来源:学优高考网否定not
3、so(as)原级as(不如那样)English is not so/as difficult as science.She does not study so/as well as I do.不用程度(用于两者比较)比较级than(比)Jim is older than Lucy.I like pork better than beef.比较级前面可以加much，far，even，still，a lot，a little，a bit 等比较级程度加深比较级and比较级(越来越)The比较级，the比较级(越越)He is growing taller and taller.He studies
4、 better and better.The more books she reads，the better she understand.最高级最高程度(用于三者或三者以上)The最高级of(in)(最)Spring is the best season of the year.Lin Tao jumped (the) farthest of all.副词最高级前面的the往往省略注意：有些形容词，如dead，empty，round，sure，woolen 等受本身含义的限制，没有比较级。语法精炼.用括号内所给单词的正确形式填空。1This building is _(high) than
5、that one.2Changjiang is one of the _(long) rivers in the world.3Miss Brown is _(thin) than her sister.4This river is _(wide) than that one.5Who runs _(fast)，Tim，Adam or Mary?6New York is a _(noisy) city than Washington DC.7This blue coat _(expensive) coat in the cloth store.8This new story is _(inte
6、rest) than that one.9I think swimming is _(dangerous) than running.10I cant follow you.Can you speak _(slow)?.按要求完成下列句子，每空一词。11Im taller than Jim.(改为同义句)Jim is _ _ me.12The Caspian Sea is the deepest salt lake in the world.(改为同义句)The Caspian Sea is _ than _ _ salt lake in the world.13My hometown is
7、bigger than Xuzhou.(改为一般疑问句)_ your hometown _ than Xuzhou?14Betty is ten years old.David is twelve years old.(改为同义句)David is two years _ _ Betty.15This question is easier than that one.(改为否定句)This question _ _ than that one.根据汉语意思完成句子，每空一词。16对于老年人来说学习英语更困难。Its _ _ for old people _ _ English.17老师讲得慢，
8、因此我能听得很清楚。The teacher speaks _，_ I can hear _.18汤姆是我们班上第二大的学生。Tom is _ _ _ student in our class.19玛丽比她姐姐的语文学得好。Mary is _ _ Chinese than her sister.20东方航空公司是最繁忙的国际航线之一。China Easter Airline is _ _ _ _ international airlines.单元语法小专题(Grammar Focus).1.higher2.longest3.thinner4.wider5.fastest6.noisier7.is the most expensive8.more interesting9.more dangerous10.more slowly.11.shorter than12.deeper；any other13.Is；bigger14.older than15.isnt easier.16.more difficult；to learn17.slowly；so；clearly18.the second oldest19.better at20.one of the busiest
