分类：教育/科学-外语学习-英语考试
问题：because能不能在句首引导一个句子？ 
回答：可以的.
1)它通常用来引导原因状语从句,可以置于句首,也可以置于句尾.
  如:Because he is ill,he doesn`t  go to work.
     He doesn`t  go to work because he is ill.
  
2)它后面也可以跟一个词或者词组.但必须与of连用.
  如:He doesn`t  go to work because of illness.
     Because of illness he doesn`t  go to work .