一、as…as 和 (not) so…as 1. A 和B 一样…… A+ 谓语动词 + as + 形容词/副词原级 + as + B +…. （注：此句中，第一个as是副词，第二个as是连词，引导比较状语从句，并且从句中常省略重复的内容） 如：He worked just as hard as anyone（did）. 他同每个人一样勤奋工作。 I can carry as much paper as you can. 你能搬多少纸，我也能。
2. A和B不一样…… A+ 谓语动词（否定式）+ as / so + 形容词/副词原级 + as + B+… 如：They didn’t pick so / as many apples as the farmers (did). 他们摘的苹果不如农民多。
二、形容词/副词的比较级/最高级句型 1. A+谓语动词+(much/a little/even/still)+形容词/副词比较级+than+B +... 如：This book didn’t cost me more than that one. 这本书花费我的钱不比那本多。
2. A+ 谓语动词 + less+ （多音节形/副）比较级 + than + B+… 如：I think English is less difficult than math. 我认为英语不比数学难。 The population of Shanghai is larger than that of Beijing. 上海的人口比北京的人口多。
3. A+ 谓语动词 +(the) +形容词/副词最高级 +in / of …. 如：He jumped the highest of the three boys. 三个男生中他跳得最高。 Africa is the second largest continent. 非洲是第二大大陆。
4. one of the +最高级+名词（复数）——整个短语为单数含义，谓语要用单数。 如：One of the oldest houseshasbeen burnt in a fire. 最古老的一幢房子在一场大火中被烧毁了。
【补】① 形容词或副词的比较级前+much/a little/even/still，而表示数量的more之前还可以加some/ any/ no/ one/ two/ many/ several/ a lot等词。 如：It is much colder today than yesterday. 今天比昨天冷多了。 ② more than / less than分别可以理解为“多于/少于”，相当于副词，more than=over; less than=under. 如：I lived in New York for more than four months. 我在纽约生活了四个多月
三、并列比较 1.“比较级+and+比较级”，表示“越来越…” 如：The weather is getting warmer and warmer. 天越来越温暖了。
2.the+比较级…,the+比较级…，表示“越…就越…” 如：The harder you try,the greater your progress is. 你越是努力，进步就越大。
四、倍数比较 1. A + 动词 + 倍数 + as + 原级 + as + B 如：This one costs twice as much money as that one. 这个的价钱是那个的两倍。 I have three times as many as you. 我有你三倍那么多。
2.A + 动词 + 倍数 + 比较级 + than + B 如：This one costs twice more than that one. 这个比那个贵两倍。 The grain output is 8 percent higher this year than that of last year. 今年比去年粮食产量增加8%。
3.A + 动词 + 倍数 + the size/weight /amount/length/ width/height of + B 如：This one costs twice the amount of money of that one. 这个的价钱是那个的两倍 。
4.The size/height/ width/ length of A is+ 倍数+ that of B 如：The size of the earth is 49 times that of the moon.地球的大小是月球的49倍。
5. by+倍数，表示增加多少倍 如：The production of grain has been increased by four times this year. 今年粮食产量增加了4倍。 更多考博经验以及考博真题请大家关注华慧考博：www.hhkaobo.com 全国专业考博英语辅导机构。及时为大家更新全国各大院校博士招生简章，收集完善各院校考博英语真题、考博专业课真题等重要考博讯息。专业考博英语辅导团队精心为您打造考博英语复习计划，助力广大考生顺利登岸！
