小学英语比较级

形容词比较级一：定义形容词有原级、比较级和最高级。原级用于描述；比较级是同一范畴内的人或事物相比，一方比一方更；最高级是三者或三者以上以及一定范围内的描述二：句子构成：主语+ be ( am is are ) +形容词的比较级+than+ 比较对象。（注意造句或订错时按照句子构成形式来逐一检查你的句子是否正确。）三：形容词的变化1直接+ er Small-smaller long tall short old young strong quiet loud strict kind smart sweet sour fresh clean cold cool warm fast 2以e 结尾。直接+ r Nice-nicer large 3双写末尾字母再加er Bigbigger fat hot sad thin4 辅音字母+Y结尾，先把y变 i再加er .Funnyfunnier heavy happy tasty salty windy snowy easy hungry angry thirsty dirty sunny5 特殊变化 Much( many) moremost good - better best bad worse -worst little less -least far -farther (further)6 多音节前面加more beautiful -more beautiful most beautiful excited -more excited most excited 四 使用中的问题：1:The tree is tall .（描述性的没有上下文，也没有比较对象的时候直接用原级， 不用比较级。）The tree is taller than that one .(有比较对象,两者相比的时候用比较级。)The tree is the tallest in the park (描述性的在一定范围内不是两者相比时用最高级。)2: How heavy are you ? I am 48 kilograms . How tall are you ? I am 1.60 metres (meters) How old are you ?I am 12 years old .3 My shoes are bigger than yours .( your shoes )4 He is stronger than me .(宾格)5 When the sun gets down, the shadow is getting (longer and longer .)5 改错：1 The dogs are thin than the cats.The dogs are thinner than the cats . 2 He has longer hair . He has long hair. 3 The monkeys is clever than the giraffes .The monkeys are clever than the giraffes .4 The elephants are heavy than the horses. The elephants are heavier than the h