1、由“?as+形容词原型+as?”或“?as+形容词+名词+as?”构成。
Mygrandpaisasenergeticasayoungman.
ItrytofindasmuchinformationasIcanaboutwhathappened.
2、由“?notso(as)+形容词或副词原型+as?”或“?notso(as)+形容词+名词+as?”构成。
Luckily,theweatherisnotsowetasitistoday.
1、由“?形容词比较级+than?”构成。
Heismoreconcernedaboutothersthanabouthimself.
2、由“?many/muchmore+可数/不可数名词+than?”
MyfriendearnedmuchmoremoneythanIdidlastyear.