A,B, A is short., B is shorter., B is shorter than A.,The yellow ruler is long.,The blue ruler is longer.,The blue yellow ruler is longer than the blue ruler., Grandma is old.,50,70, Grandpa is older., Grandpa is older than grandma.,This boy is young.,8,1,That baby is younger.,That baby is younger than this boy.,The bee is small.,The ant is smaller.,The ant is smaller than the bee., Wangfei is thin., Zhouxun is thinner., Zhouxun is thinner than Wangfei., The panda is big., The elephant is bigger., The elephant is bigger than the panda.,Jack is fat.,Tom is fatter.,Tom is fatter than Jack.,Jack,Tom,B.2+2=？,A. 22=？,Question A is esay.,Question B is easier.,Queation B is easier than question A.,This boy is happy.,That baby is happier.,That baby is happier than this boy.,SAMSUNG is good.,iphone is better.,iphone is better than SAMSUNG.,A is bad.,B is worse.,B is worse than A.,A,B,Wuhan is beautiful.,Shanghai is more beautiful.,Shanghai is more beautiful than Shanghai.,happy,big,形容词比较级（规则变化）,1.单音节和少数双音节形容词比较级的构成。 1）在词尾加-er tall taller 2)以不发音的字母e 结尾的，加-r nice nicer large larger 3)重读闭音节以一个辅音字母结尾的，双写辅音字母，再加-er big - bigger fat - fatter 4)以y加辅音字母结尾的先将y 变为i再加er. easy easier funny funnier healthy healthier,多音节词、部分双音节词词前加 more,