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Unit 2 How often do you exercise
单元语法聚焦
语法精讲
频度副词
1.频度副词的定义：表示动作或状态出现的频率的副 词叫做频率或频度副词。
2.常见表示频率的副词有以下几个，它们的频率由高 到低依次为：
3.频度副词在句中的位置：
频率副词在句中常位于be动词、助动词、情态动词 之后，实义动词之前。sometimes有时可位于句首 或句末。
I am always busy with my work.我总是忙于我的工作。
Susan doesn't usually eat breakfast at school.苏姗 在学校通常不吃早饭。
He sometimes gets up at 5: 30. = Sometimes he gets up at 5：30.他有时 5：30 起床。
4.表示频率的短语有：
once/twice a week 一周一次/两次
three times a day 一天三次
every day/week/year每天/每星期/每年。
【温馨提示】三次或三次以上一般用“基数词+ times” 来表示。
5.当对频度副词及表示事件发生频率的短语提问时， 常用how often,意为“多久一次
-How often does Lisa go to the movies 莉萨多久 看一次电影？
一Never.从不。
6.频率副词或短语常与一般现在时态连用。
I never eat meat.我从不吃肉。
Jim usually does his homework in the evening.吉姆通常晚上做作业。
Sally doesn't often watch TV at the weekend.莎莉 周末不常看电视。
How often do you eat fruit 你多久吃一^次水果？
语法精练
I.根据句意，从选项中选择恰当的频度副词完成下面 的句子。
always, usually, sometimes, hardly ever, often, never
1. Lucy is a good student. She____________ comes to school on time and she is____________ late.
2.I____________ walk to school. But today I want to take a bus because it's raining.
3. I usually have lunch at home, but____________ I have it at school.
4.—Do you____________ write to your parents 一Yes, about twice a month.
5. He isn't good at basketball, so he____________ plays it.
Ⅱ.单项选择。
( )1. I don't like apples, so I __________ eat them.
A. usually B. always
C. often D. hardly ever
( )2. My sister __________ goes to bed early because she needs a lot of sleep every day.
A. always B. sometimes
C. hardly ever D. never
( )3. Sam is __________ late for school. He is always the first to come to school.
A. often B. always
C. never D. usually
( )4. He usually goes to school on foot. But he also goes to school by bus __________.
A. sometimes B. some time
C. sometime D. some times
( )5. 一 __________ do you play sports, Lucy
-Every day, from Monday to Sunday.
A. How often B. How many
How much D. How old

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