Unit 2 How often do you exercise? 语法知识点 （含解析）

人教版八年级上册语法知识点
unit2频率副词
【语法示例】
1.I always exercise.我总是锻炼。(教材Grammar Focus )
2.I go to the movies maybe once a month.我可能一个月去看一次电影。(教材Grammar Focus )
3.No,I never go shopping.不,我从不去购物。(教材Grammar Focus)
【语法概述】频率副词
频度副词表示某一动作或状态出现的频率,即在一定时间内某一动作或状态重复出现的次数,常用来回答 how often 的提问。
考向一：频度副词的种类
不表示具体次数的频度副词(按频率从高到低排列)
always(100%)总是 > almost always几乎总是 > usually通常 >often经常
sometimes有时 > hardly ever(seldom)几乎从不(很少) > never(0%从不）
[例]We often play basketball after school.我们经常放学后打篮球。
He is never late for class.他上课从未迟到
表示具体的频率、次数时,通常用 once a week(一周一次),twice a month(一月两次),three times ayear(一年三次)等。
once or twice一两次; two or three times两三次； three or four times三四次。
[例]I use the Internet twice a week.我一周使用两次互联网。
Li Ming and his parents go to the park three or four times a month.李明和他的父母一个月去公园三四次。
考向2频度副词的位置
频度副词一般放在实义动词之前,be 动词、助动词、情态动词之后。有时为了强调,频度副词也可位于句首。
Im always happy to see her.我见到她总是很开心
She doesn't always go to school by bus.她并不总是乘公共汽车去上学。
I can never forget it.我永远不会忘记这件事
Usually we have lunch at school.我们通常在学校吃午饭。
[拓展延伸]never,hardly ever,seldom 等表示否定意义的词(组)位于句首时,句子要用倒装语序。
Never have I seen such a performance.我从没看过这样的表演。
Seldom does he go out for dinner.他很少出去吃晚饭。
考向3对频度副词的提问
对频度副词进行提问常用 how often,表示"多久-次”。
-How often does he come here 他多久来一次这里
-Once a week.一周一次。
一．专题训练
1.(海南中考)Uncle Liang _______eats out because his wife always makes delicious food for him
A. seldom B. sometimes C. often
2.(重庆中考A卷) We'll have to say goodbye, my dear friends!
But I will ______forget the days we spent together.
A. seldom B.often C. always D. usually
3.(沈阳中考)-These people are really nice.
--Yes , they _______show respect for our feelings.
A. always B. never C. never D. already
4. (邵阳中考)-_________do you watch TV
-Twice a week.
A. How often B. How long C. How soon
5-How often does your sister surf the Internet
-About_____________.
A. three time a day
B. three times everyday
C. three time every day
D. three times a day
二、用所给单词的正确形式填空
1.My mother shops (two) a week.
2.I go traveling with my parents (one) a year.
3.Linda goes to the swimming pool (one) a week.
4.—How often do you watch the game show
— (two) a week.
5．—How often do you go to the movies
—About a month. (one)
Jane and Kelly agreed to send each other an email (one) a week.
It is good for you to brush your teeth (two) a day.
My father plays basketball (two) a week.
After getting up in the morning, I (usual) drink a glass of water.
I go to the movies maybe (one) a month.
My brother Jim goes to the sports centre (two) a week.
We went to visit our grandparents (one) a week.
We should do eye exercises a day to take good care of our eyes. (two)
They play volleyball (two) a month.
They count the birds in zhalong a year. (one)
三．单项选择
1. -Have you ever been to Canada
-No, ________.
A. sometimes B. always C. often D. never
答案：D【解析】考查副词辨析。句意为：你去过加拿大吗？没有，从未去过。根据答语中的“No”可知，此处表示从未去过。never意为“从未”，符合句意。故选D。
2. When you go abroad, ________ forget to bring your passport.
A. always B. hardly C .never D. sometimes
答案：C【解析】考查副词辨析。句意为：当你去国外的时候，绝对不要忘记带你的护照。never意为“绝不”，符合句意。故选C。
3 . _______I learned to skate quickly. At first, I fell down a few times ,but now I_______fall down.
A. always B. often C. sometimes D. seldom
答案：D【解析】考查副词辨析。句意为：我很快学会了滑冰。起初，我摔倒了几次，但现在很少摔倒了。A项意为“总是”；B项意为“经常”；C项意为“有时”；D项意为“很少”。故选D。
4. In order to protect his eyes, he________ uses electronic products.
A. always B. often C. usually D. seldom
答案：D【解析】考查副词辨析。句意为：为了保护他的眼睛，他很少便用电子产品。seldom意为“很少”，符合句意。故选D。
5. -Could you please tell me________ the library is from here
-It's about fifteen minutes' ride.
A. how soon B. how long C. how far
答案：C【解析】考查疑问词组辨析。句意为：你能告诉我图书馆距离这里有多远吗？大约十五分钟的车程。根据答语“It's about fifteen minutes' ride.”可知，此处询问的是距离有多远，应用how far进行提问。故选C。
6. - ________do you read Duowei Reading books ,Jack -Once a week.
A. How much B. How often C. How long D. How soon
答案：B【解析】考查疑问词组辨析。句意为Jack,你多久读一次《多维阅读》？一周一次。根据答语“Once a week．”可知，此处是对频率进行提问。how often意为“多久一次”，符合句意。故选B。
7. -________do you have a sports meeting in your school
-Once a year. We all like sports.
A. How much B. How often C. How long D. How soon
答案：B【解析】考查疑问词组辨析。句意为：你（们）学校多久举办一次运动会？一年一次。我们都喜欢运动。A项意为“多少钱”；B项意为“多久一次”；C项意为“多长（时间）”；D项意为“多久（以后）”。根据答语中的“Once a year．”可知，此处是对频率进行提问。故选B。
8. -________ is it from your home to school
-It's about 30 minutes' walk.
A. How far B. How long C. How often
答案：A【解析】考查疑问词组辨析。句意为：从你家到学校有多远？步行大概30分钟。此处询问的是路程，应用how far提问，意为“多远”，符合句意。故选A。
9. -A nice T-shirt ! ________is it -lt's 50 yuan.
A. How long B. How far C. How much D. How old
答案：C【解析】考查疑问词组辨析。句意为：好漂亮的一件T恤！多少钱？50元。how long意为“多长（时间、尺寸）”；how far意为“多远”；how much意为“多少（钱）”；how old意为“多大（年龄）”。根据答句 “It's 50 yuan．”可知，问句是对价格进行提问，应用How much。故选C。
10. -________do you play sports, Ella
-Every day. It's necessary for us to play sports an hour a day at school.
A. How much B. How often C. How long
答案：B【解析】考查疑问词组辨析。句意为：Ella，你多久做一次体育运动？每天。在学校每天做一小时的体育运动对我们来说是有必要的。how often意为“多久一次”，符合句意。故选B。
11.- ________is it from your school to your home
-It's about 10 minutes' walk.
A. How far B. How long C. How often D. How much
答案：A【解析】考查疑问词组辨析。句意为：从学校到你家有多远？走路大约10分钟。根据答语“It's about10 minutes' walk.”可知，此处询问的是距离。how far意为“多远”，符合句意。故选A。
12. -________do you play basketball with your friends -Only once a week.
A. How long B. How much C. How soon D. How often
答案：D【解析】考查疑问词组辨析。句意为：你多久和朋友打一次篮球？一周只有一次。A项意为“多久，多长”；B项意为“多少钱，多少”；C项意为“多久以后”；D项意为“多久一次”。故选D。