频率副词 How often

Some actions happen quickly, others slowly. Some are regular, others are one-time. Adverbs of frequency tell how often you do things.

Common frequency adverbs (从最频繁到最不频繁):

• always: 100% of the time (太阳总是升起)
• usually: about 80% of the time (通常情况)
• often: about 60% of the time (经常)
• sometimes: about 40% of the time (有时)
• rarely/seldom: about 10% of the time (很少)
• never: 0% of the time (从不)

Sentence pattern (频率副词的位置):

• Before main verbs: I usually eat breakfast at 7.
• After 'be' verbs: She is always late for class.
• Can move to beginning for emphasis: Sometimes I walk to school.

Asking about frequency:

• How often do you...? -- Answer with frequency adverbs
• How many times a day/week do you...? -- Answer with numbers

Example dialogue:
A: How often do you exercise?
B: I usually run three times a week, but sometimes I swim.
A: Do you ever eat junk food?
B: Rarely. I never eat fast food, but sometimes I have chocolate.

Time expressions (时间表达):

• every day / every week / every month
• once a day / twice a week / three times a month
• on weekdays / on weekends
• in the morning / in the afternoon / in the evening
• at noon / at night / at midnight

Practice: Write 5 sentences about your habits using 5 different frequency adverbs from this lesson.