old的比较级是older或elder, elder通常于名词前作定语用，而不能用在be动词或系动词后作表语,即This is my elder brother.而older作“年长的”解时，则正好与之相反，它用作表语，而不用作定语形容词,即He is older.much 可以
fast ___wide __ small _large _ long __rude __ hot ___thin ___ few _good ______ bad __ far _ expensive _ _ clever __ famous _ many _ sad __ ___pretty__ __ ill__ ___ easy _ dirty busy fat little difficult __clear young bored_ __。
时间状语: Always， usually， often， sometimes， every week ， once a week ， on Sundays ， etc.定语从句是指在一个句子中作定语的句子，定语从句要放在所修饰的词后。
