时间状语
一般现在时 every…,sometimes, at…,onSunday,一般过去时 yesterday,lastweek,anhourago,theotherday,in1982,justnow一般将来时 next…,tomorrow,in+时间,现在完成时 for,since,sofar,ever,never,just,yet,till/until,uptonow,inpastyears,always,recently过去完成时 before,by,until,when,after,once,assoonas过去进行时 thismorning,thewholemorning,allday,yesterday,fromninetotenlastevening…when,while将来进行时 soon,tomorrow,thisevening,onSunday,bythistime,tomorrow,intwodays,tomorrowevening