2020暑假预习：初中英语8年级上册unit2 语法专项---频率副词 (含习题)

unit2 语法专项---频率副词等(含习题)
频率副词
概念：是表示某事发生频率的副词，即用来表示某事在一段时间内所发生的次数。

always，usually，often，sometimes，hardly，never，是英语中最常见的几个
频率副词。

位置：一般放在行为动词之前，be动词、助动词及情态动词之后。

辨析：含义和程度的区别
always的频率是100％，意为“总是;永远地”。

usually的频率是70％左右，意为“通常;平常”。

often的频率是50％左右，意为“常常”。

sometimes的频率是20％左右，意为“有时”。

hardly的频率是5％左右，意为“几乎不;简直不”。

never的频率为0，意为“从来不;永不”。

always > usually > often > sometimes > hardly > never
其他：一些表示频率的词组，如once a week，twice a month，three times a year，four times
a year等，它们准确地表达出事情发生的频率。

我每天喝牛奶，吃蔬菜。

I drink milk and eat vegetables every day.
我每周锻炼一次。

I exercise once a week.
我一年去看望我奶奶四次。

I visit my grandmother four times a year.
拓展：
1.辨析：how often/how soon/how long/how far的区别
2.辨析：sometimes，sometime，some times，some time的区别
sometimes频度副词。

意为“有时”，多用于一般现在时，对它进行提问常用how often sometime:副词，意为“在某时（过去或将来）”，表示的是不确切或尚末确定的时间。

对它
提问用when。

some times:名词短语。

意为＂几次，几倍”。

time此处是可数名词，对它提问用how many times some time：名词短语。

意为“一段时间”。

time是不可数名词，对它提问用how long
综合练习：
1.---_______do most Chinese people have meals?
---Three times a day.
A How long
B How many
C How often
D How much
2.Mr. Brown_______exercises, so he is very fat.
A often
B sometimes
C always
D never
3.Li Ming is kind and helpful，but he is also a little careless_______.
A sometime
B some times
C sometimes
D some time
4.I _____play football on Friday afternoon.
A sometime
B sometimes
C some time
D some times
5. Designated drivers(代驾司机) are _______seen in our city because drunk driving is not allowed.
A seldom
B hardly
C always
6.Anna_______gets up at 6: 40 a.m., but she gets up at 7: 30 a.m. today.
A never
B usuall
C also
D really
7.--- You play the piano so well. ______do you take piano lessons?
---I go to piano lessons twice a week.
A How long
B How many
C How often
D How much
8.---Books are our friends._________ do you read books?
---I read books every day.
A How often
B How soon
C How long
9.--- Do you usually______the bus to work every day?
---No, ______I go there by car.
A by, sometimes
B take, sometime
C by, sometime
D take, sometimes
10.---______do you play the guitar?
---Three times a week.
A How much
B How old
C How long
D How often
11.--- How often do you do exercise?
---_________.
A Sometimes
B Three hours
C At three o'clock
D In two hours
12.---______does your grandpa do exercise?
---Every day.
A How soon
B How long
C How often
D How far
13.---_______will you come back home, Danie?
----In twenty minutes. I'll hurry.
A How soon
B How often
C How long
14.--- Excuse me，_______is it from the nearest post office?
---Only ten minutes’ walk.
A how long
B how much
C how many
D how far
15.---_____do you go back to your hometown.
--- Twice a year.
A How long
B How soon
C How far
D How often
16.---______do you play basketball?
---Once a week.
A How much
B How long
C How often
D How far
17.---______have you talked with your friends on Wechat?
--- Since I came back from the post office.
A How far
B How often
C How soon
D How long
答案:
1-5CDCBC
6-10BCADD
11-15ACADD
16-17CD。