as……as的结构： as + 形容词或副词原级 + as1）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作修饰语时，放在as的前面。 This room is twice as big as that one。 Your room is the same size as mine。
  表示达到某种程度或符合某种要求，意思是“尽可能。。。。。。”，“愈。。。。。。愈好”，这个句型还可以说成as。。。as one can 。可根据需要，在两个as之间使用不同的形容词或副词，如下所示。as soon as possible 尽快as quick as possible 尽快as often as possible 尽量经常as big as possible 尽可能大as carefully as possible 尽可能仔细as loudly as possible 尽可能大声as friendly as possible 尽量友善Reply to me as soon as possible ，pleases 。
   请尽快回复我。Please read the text as loudly as possible 。 请尽可能大声朗读这篇文章。情景会话：Can I think it over ?Sure 。Reply to me as soon as possible ， please 。
  我可以考虑一下吗可以，请尽快答复我。These dishes you made look yummy 。If you like them ， please have as much as possible 。你做的这些菜看起来很美味。如果你喜欢，就尽量多吃点。
  Please read the text as loudly as possible 。Sorry 。 I have a sore throat。请尽可能大声朗读这篇课文。对不起，我喉咙痛。