2012年大学英语六级语法：so as to

会计考友

1） 表示目的；它的否定式是so as not to do。
　　 Tom kept quiet about the accident so as not to lose his job.　
/ |7 _' ?% L" W0 U' l) i7 \　　 汤姆对事故保持沉默是为了不丢掉他的工作。
　　 Go in quietly so as not to wake the baby. wｗw.ExamＷ.CoM
  f: f- z2 u* Z4 t7 P% r　　 轻点进去，别惊醒了婴儿。
2)　so kind as to ---劳驾
9 w6 O( n* j3 D) f　　 Would you be so kind as to tell me the time?
　　 劳驾，现在几点了。