形容词、副词的比较级和最高级的构成规则 1.一般单音节词和少数以-er,-ow结尾的双音节词,比较级在后面加-er,最高级在后面加-est; (1)单音节词 如:small→smaller→smallest short→shorter→shortest (2)双音节词 如:clever→cleverer→cleverest narrow→narrower→narrowest 2.以不发音e结尾的单音节词,比较在原级后加-r,最高级在原级后加-st; 如:large→larger→largest nice→nicer→nicest able→abler→ablest 3.重读闭音节(即:辅音+元音+辅音)先双写末尾的辅音字母,比较级加-er,最高级加-est; 如:big→bigger→biggest fat→fatter→fattest 4.辅音字母+y”结尾的双音节词, 把y改为i,比较级加-er,最高级加-est; 如:easy→easier→easiest heavy→heavier→heaviest busy→busier→busiest happy→happier→happiest 5.其他双音节词和多音节词,比较级在前面加more,最高级在前面加most; 如:beautiful→more beautiful→most beautiful different→more different→most different popular→more popular→most popular 注意:(1)形容词最高级前通常必须用定冠词 the,副词最高级前可不用. 例句: The Sahara is the biggest desert in the world. (2) 形容词most前面没有the,不表示最高级的含义,只表示"非常". It is a most important problem. =It is a very important problem. 6.有少数形容词、副词的比较级和最高级不规则 good→better→best well→better→best bad→worse→worst ill→worse→worst old→older/elder→oldest/eldest many/much→more→most little→less→least 形容词、副词的比较级和最高级的用法 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. ① 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,即同类事物之间的比较.②在比较级前面使用much,表示程度程度“强得多”.如:A watermelon is much bigger than an apple.③ very, quite一般只能修饰原级,不能修饰比较级. 2.“比较级 + and + 比较级”或“more and more +原级”表示“越来越……” 如:It becomes warmer and warmer when spring comes. 春天来了,天气变得越来越暖和了. The wind became more and more heavily. 风变得越来越大. 3.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? 4. “the +比较级……, the+比较级”,表示“越……越……”. The sooner,the better. 越快越好. 5. 表示倍数的比较级用法: ①. A is …times the size /height/length/width of B. 如:The new 本文来源:https://www.wddqw.com/doc/e1ae2f08ed06eff9aef8941ea76e58fafab045f6.html