状语从句可以根据其用途分为:时间状语从句、地点状语从句、原因状语从句、结果状语从句、目的状语从句、条件状语从句、让步状语从句Whenhecamein,Iwascooking
他进来时,我在做饭
HecameinwhileIwascooking
Shesangassheworked
一边……一边……When+短暂性动词(常+一般过去时)While+持续性动词(常+过去进行时)As动作衔接紧密,表“伴随”1
when,while,as“当…时”※while的其他含义:WhileIwaswalkingdownthestreet,Icameacrossanoldfriend
(while=_______)Helikespopmusic,whileIamfondoffolkmusic
(while=_______)whenbut2
before在……前ItwillbehalfayearbeforeIcomeback
Ihadfinishedmyhomeworkbeforemyfathercameback
After在…之后AfterIhadfinishedmyhomework,myfathercameback
since“自从”(常用于现在完成时)从他离开后我们没见过面
Wehaven’tseeneachothersinceheleft
assoonas”一…就…”我一回来就给你打电话
I’llcallyouassoonasIcomeback
主将从现5
not…until“直到…才…”我将不会离开直到他回来
Iwillnotleaveuntilhecomesback
主将从现Ididnotleaveuntilhecameback
______hecomesheretomorrow,Iwillcallyou
________hewaswalk