频率副词有多“频”
频率副词是表示动作发生的频率,多与一般现在时连用。
频率副词是一般现在时的“标志词”,它们是表示频率的副词。
这些词表示经常性动作或情况,不是某一具体动作,常用于一般现在时。
这些频率副词在句子中的位置比较灵活,可以用于句首、句中和句末。
在句中的位置一般在系动词be,情态动词或助动词之后,行为动词之前,在表示动作发生的频率程度上可这样表示:always>usually>often>sometimes 。
1.100﹪always意为“总是,一直;始终”。
这是频率最大的词,表示动作重复,状态继续,中间没有间断。
如:Mary is always late for school.玛丽总是上学迟到。
He always comes late. 他总是迟到。
2.90﹪usually意为“通常,经常”,表示习惯动作,频率仅次于always,相当于most often。
表示除个别情况外,基本上没有变化。
如:He usually gets up at 6 o'clock.他通常6点钟起床。
I usually go to bed at 10:00. 我通常10点钟睡觉。
3.70﹪often意为“时常,经常,常常”,表示动作重复,中间有间断,表示发生的频率比usually要小,但比sometimes要大。
如:I often go to school by bike,but sometimes I go to school by bus.
我经常骑自行车上学,但有时乘公共汽车去。
They often clean the classroom after school. 他们常常在放学后打扫教室。
4.40﹪sometimes意为“有时”,表示发生的频率最小。
sometimes一词在书写时要十分小心,若分开写成some times就成了“好几次,数次”。
sometimes的位置较为灵活,可位于句首、句中或句末。
如:They are always late for school. 他们总是上学迟到。
He has never been there. 他从来没去过那里。
Sometimes Tony goes to school by bike. 托尼有时骑自行车去上学。
He has lunch in the factory sometimes.他有时在工厂吃午饭。
We sometimes go skiing in winter. 冬天我们有时去滑雪。
I read this story some times.这个故事我读过好几次了。
5.5﹪hardly ever 表示“几乎从不;很少;难得”。
=almost never或very seldom,相当于百分之几或0%的频率。
如:He hardly ever goes to bed b efore nine o’clock.
6 never=at no time或not ever表示“永不,从未”之意,相当于0%的频率。
位置比较灵活,可以放在句首。
例如:Never have I seen such a strange looking man. 我从来没见过长相这样怪的人
B)对频率副词提问通常用how often这一短语,意为“多久一次”。
Li Ming usually does his homework after supper. (对划线部分提问)
How often does Li Ming do his homework after supper?
另外,表示频率还可用一些副词短语来表示,如once a week一周一次,three times a year一年三次等。
Take this medicine after meal three times a day. 这药饭后服用,一日三次。
——How often do you go shopping? 你多久购物一次?
——Once a week. 每周一次。
【跟踪练习】选择填空:
1. He ____ goes to bed too late, because he has to get up early every day.
A. always
B. never
C. usually
D. sometimes
2. ——____ does Tom write a letter to his parents?
——Twice a month. A. How often B. How many times C. How soon D. How long
3. They are going to stay here for ____. A. sometime B. sometimes C. some time D. some times
4. He hardly has lunch at home, ____? A. does he B. doesn’t he C. has he D. hasn’t he
5. She always finishes her homework on time. She ____ leaves it for tomorrow.
A. always
B. never
C. usually
D. sometimes。