频度比较
always（100%）> usually（75%）> often（60%）> sometimes（40%）> seldom（15%）> never（0%）
一次 once 两次 twice 三次 three times
注意：在记忆时，我们只要记 住once（一次）和twice（二 次）就可以了。其他发生次数 只要用“数字＋times”来表达 就可以了。
/I go jogging once a week. (sometimes, never, always, often, every day,twice a
week, once a month)
观察Mary的一周活动表，用适当的频率副词填空：
Monday Tuesday Wednesday Thursday Friday Saturday Sunday
定义及分类 位置 提问及回答
He plays football twice a week. How many times a week does he play football?
How often 表示多久,多久一次,指动作的频率. How many times表示多少次,强调的是频次.
Activity1:pair work A:How often do you go jogging? B:I seldom go jogging.
every day
每天
four times a year 一年四次
once a week 一周一次
once two weeks 两周一次
twice a month 一 个月两次
six days a week
一周六天
e.g. I drink milk and eat vegetables every day.
dance music dance basketb music dance dance all
film dance music dance film comput music er
music compu compute film ter r
dance music film
1. Mary _______ dances. 2. Mary _______ listens to music. 3. Mary _______ goes fishing. 4. Mary _______ plays basketball. 5. Mary _______ plays computer . 6. Mary _______ watches a film.
•She always works hard. We often play basketball together.
放在行为动词的 前面
频度副词在句中的位置：
• sometimes可放在句首、句中或句末。 e.g. 她有时看电视。 Sometimes she watches TV. She sometimes watches TV. She watches TV sometimes.
观察Mary的一周活动表，用适当的频率副词填空：
Monday Tuesday Wednesday Thursday Friday Saturday Sunday
dance music dance basketb music dance dance all
film dance music dance film comput music er
music compu compute film dance music film ter r
1. Mary a_l_w_a_y_s__ dances. 2. Mary _u_su_a_l_ly__ listens to music. 3. Mary _n_ev_e_r___ goes fishing. 4. Mary _se_l_d_om___ plays basketball. 5. Marys_om__e_ti_m_e_s plays computer . 6. Mary _of_t_e_n___ watches a film.
我每天喝牛奶，吃疏菜。
I take exercise once a week. 我每周锻炼一次。
I eat KFC twice a month. 我一个月吃两次肯德基。
频度副词在句中的位置：
放助放在动在b词eb的动e动后词词面、的情后态面动词、
• I am usually at home on Sundays. We must always get to school on time. He doesn’t often play football.ency 频度副词
定义 :
英语中always, usually, often, sometimes, seldom, never等，叫做频度副词。
这类词用来表示某一动作发生的 频率，或某一状态出现的频率.
频度百分比
100% 75% 60% 40% 15% 0 总是 通常 经常 有时 很少 从不 always usually often sometimes seldom never
• often可放在句中和句末(一般不放在句首). e.g. 她经常看电视。 She often watches TV. She watches TV very often.
如何提问？
对划线部分提问： He plays football twice a week. How often does he play the football?