5形容词和副词的比较级和最 高级.ppt

表示比较的几种基本句型 1.A=B（程度相同），as…as … He is as tall as Tom. He runs as fast as Tom. 2.AB(表示A不如B), not as/so …as… 或 less…than… I’m not as tall as him. He didn’t do his homework as carefully as Tom. This book is less important than that one. 注意问题 1.在比较状语从句中经常省略某些部分,但比较对象的成分不能省. The roads in Beijing are wider than those in Guangzhou. * The first mooncake is small. The second mooncake is smaller than the first one. small smaller smallest The third mooncake is the smallest of all. The first mooncake is cheap. The second mooncake is cheaper than the first one. ￥8 ￥5 cheap cheaper ￥3 cheapest The third mooncake is the cheapest of all. The pig is heavy. The bear is heavier than the pig. The elephant is the heaviest of all. heavy heavier heaviest nice nicer nicest The mooncakes in picture1are nice. The mooncakes in picture2 are nicer. The mooncake in picture3 is the nicest. Ask and answer questions. Use big, small, hot, cold, old, new… A1: Li Ming jumps high. B1: Li Dong jumps higher. A1:Wu Ping jumps highest of all. A2: Tom is fat. B2: Jim is fatter. A2:Mary is the fattest of all. busier, earlier, easier bigger, hotter, redder, thinner nicer, finer, larger taller, longer, older, smaller 比较级 busiest, earliest, easiest busy, early, easy 以“辅音字母+y”结尾的形容词或副词，把y变为i，再加-er,-est biggest, hottest, reddest, thinnest big, hot, red, thin 以重读闭音节结尾的形容词或副词,如末尾只有一个辅音字母,双写该字母,再加-er,-est nicest, finest, largest nice, fine, large 以字母e结尾的形容词或副词,直接加-r,-st tallest, longest, oldest, smallest tall, long, old, small 一般词尾加-er, -est 单音节和少数双音节单词 比较级 原级 构成 1.部分双音节与多音节的词加more, most构成比较级和最高级: beautiful more beautiful most beautiful important more important most important 2.动词变成的形容词 tiring Interesting boring exciting relaxing dangerous careful more dangerous most dangerous more careful most careful more tiring most tiring more interesting most interesting more boring most boring more exciting most excit