1、such...as...像...这样那样的，as 和such连用，such在下列句子里作定语用，说明主句里的某个名词，as 所引导的定语从句修饰前面的名词，而as本身在从句中，可能是主语，宾语或表语
3、the same ...as 和...同样的， this is the same tool as I used yesterday. 这和我昨天所使用的工具是相同的， He is not the same man as he was
5、关系代词as代替整个主句，并在从句中作主拳婊招稹语，宾语和表语之用，as引出的从句为非限制性定语从句，例如 the size of the audience , as we had expected , was well over one thousand
