频率副词的用法

如题所述

频率副词:一般用来表示动作发生的频率。一般放在be动词之后或者助动词与主要动词之间,但sometimes、often等还可以放在句首或句尾,usually可放在句首,once可放在句尾,twice、three times等一般放在句尾。如:Sometimes I get up early.(我有时起得早)/ The workers usually have lunch at the factory.(工人们通常在厂里吃午饭) / Take this medicine twice a day.(这种药一天吃两次)
  1.频率副词是表示与次数,频率有关的副词,如:
  always(总是), usually(通常),frequently(经常) often (经常)sometimes(有时), seldom(不常),rarely(极少),never(从不) once(一次), twice(两次),等。
  2.频率副词等级 :
  all the time 100%;
  almost , always 90%;
  generally , usually 80%;
  often , frequently 60-70%;
  as often as not 40-50%;
  sometimes , at times 20-30%;
  occasionally , from time to time 10%;
  hardly , seldom , rarely 5%;
  never 0%。
  3.频率副词用在be动词后。
  He always gets up at 6:30.
  他经常六点半起床。
  4.频率副词用在主要动词前。
  My father usually walks home.
  我的父亲经常步行回家。
  5.频率副词用在助动词与主要动词之间。
  I will always love you.
  我将永远爱你。
  6.频率副词用在ought to之间。
  You ought often to write to your mother.
  你应该常给你母亲写信。
  7.在答句中,频率副词必须放在助动词前。
  Do you often go there?
  你常去那里吗?
  (误)Yes, I do often.
  是的,我常去。
  (正)Yes, I often do.
  是的,我常去。
  8.never(从不), seldom(很少,不常)用于句首时,句子要用倒装形式以加强语气。
  Never have I been there.
  我从未去过那里。
  Seldom do I watch TV.
  我很少看电视。
  频率副词位置记忆口诀:BE后
  主动前
  助主间
  对频率提问用how often
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