比較級和最高級
　　無比較級和最高級的形容詞及副詞: complete, perfect, utter, etc
　　比較從句
　　as…as, almost/just/nearly as…as, not so/as …as:
　　We’ll give you as much help as we can.
　　I haven’t made as much progress as I should.
　　We’ve produced twice as much cotton this year as we did ten years ago.
　　My command of English is not half so (as) good as yours.
　　than, so much/a lot more than, no more… than, not more…than, less than
　　more…than, less…than可表示“與其說…不如說…”:
　　He is more good than bad.
　　He was less hurt than frightened.
　　The present crisis in capitalist countries is much more a political than an economic crisis.
　　“no + 形容詞或副詞比較級 + than”所表示的可以是該形容詞或副詞的相反的含義:
　　no rich than = as poor as
　　no bigger than = as small as
　　no later than = as early as
　　John is no better than Tom.
　　I have taken no more than six courses this semester.
　　the more… the more (越是…就越…)
　　Actually, the busier he is, the happier he feels.
　　The more they talked, the more encouraged they felt.
　　more of a, as much of a, less of a, etc: 當as much of a…as, more/less of a …than等結構與單數可數名詞搭配時, 名詞只能置于比較結構中間.
　　He is more of a sportsman than his brother.