一、形容词/副词的最高级 “最”

  • adj./adv.的最高级(+介词短语表示比较的范围)
  • 通常用于三者或以上的比较

二、形容词/副词的比较级 “更”

  • adj./adv.的比较级 (+ than 比较的对象)
  • 通常用于两者之间的比较

三、as + 形容词或副词原级 + as

  • 1）在否定句或疑问句中可用so… as。
    He cannot run so/as fast as you.
  • 2）当as… as 中间有名词时采用以下格式。
    as +形容词+ a +单数名词
    as + many/much +名词
    This is as good an example as the other is.
    I can carry as much paper as you can…
  • 3）用表示倍数的词或其他程度副词做修饰语时，放在as的前面。
    This room is twice as big as that one.
    Your room is the same size as mine.
  • 4） 倍数+ as + adj. + as　<=> 倍数+ then + of
    This bridge is three times as long as that one.
    This bridge is three times the length of that one.
    Your room is twice as large as mine.
    Your room is twice the size of mine.
  • 5）形容词/副词的原级比较(as…as对比)
    as + adj./adv.原形+ as +比较的对象
    not + so/as + adj./adv.原形+ as +比较的对象
    形容词/副词的原级比较 比较对象的多样
    Her mother is as beautiful as before.
    Her mother is as beautiful as she was.
    Her mother is as beautiful as she used to be.
    Travelling was not as easy as today.
    Travelling was not as easy as it is today.
    People are not so honest as before.
    People are not so honest as they were.
    People are not so honest as they once were.
    People are not so honest as they once were.
    I will do it as quickly as possible.
    I will do it as quickly as I can.
    You are as clever as I think.
    The problem was not as complicated as we thought.