求常用介词副词答:1) 时间和频度副词:now,then,often,always,usually,early,today,late, next,lastday,already,generally,frequently,seldom,ever,never,yet,soon,too,immediately, finally,shortly, before, ago,sometimes, yesterday. once,twice 2) 地点副词:here, there, everywhere, anywhere, in, out, inside,out...