英语人教版八年级上册频度副词

发布 2022-12-16 20:51:28 阅读 5390

教学过程:

1、导入。欣赏英文歌曲健康歌,询问同学们多久锻炼一次身体,引出本节所授内容频度副词。

二、复习。教师引导学生复习已学的频度副词。

三、知识讲解。

知识点1:模糊的频度副词。

频度副词是表示与次数,频度有关的副词,如:

always(总是), usually(通常),frequently(经常) often (经常)sometimes(有时), seldom(不常),rarely(极少),never(从不) once(一次), twice(两次),等。

知识点2:精确的频度副词 :

表示在一定的时间范围内,事情发生的具体次数。

一天一次 once a dayonce/twice

一周两次twice a week

一月三次 three times week

一年四次four times a week

once/twice/three/four/five times a week/day/month/year

知识点3:频度副词的位置以及用法。

always 频率最高,表示动作重复、状态继续,表示“一直、总是”,其反义词为never。always等与not连用时,表示部分否定。如:

the rich are not always happy. 有钱的人并不总是快乐的。

频度副词通常和一般现在时连用,表示动作发生的频率。但。

usually意为“通常”,表示习惯性动作或状态,很少有例外。如:

we usually go to school at seven in the morning. 我们通常在早上七点上学。

often意为“经常,时常”,表示反复性的动作或状态,中间有间断,不如usually那么频繁。其反义词是seldom。often在句尾时常被very或quite修饰。如:

it often rains here in april. 这儿四月份常下雨。

sometimes意为“有时”,频率不及often,表示动作偶尔发生,间断时间较长。其位置比较灵活,放在句首、句中、句末都可。如:

sometimes we go to the cinema and at other times we go for a walk.

有时我们去看电影,有时我们去散步。

i sometimes watch tv in the evening. 我有时晚上看电视。

my father has lunch in the factory sometimes. 我父亲有时在工厂吃午饭。

seldom意为“很少”;never意为“从不”。这两个副词表示否定意义,动作几乎不会发生。如:

he seldom eats breakfast. 他很少吃早餐。

hardly具有否定意义,表示“几乎不、简直不”,除非特殊情况,否则不会发生。如:

the boy is so young that he could hardly understand it. 这个孩子太小了,不可能懂得这件事。

对上述频度副词提问时,用how often。如:

i write to my brother sometimes.

how often do you write to your brother?

位于助动词之前两种情况。

1.为了表示强调,频度副词有时也可位于动词be、助动词、情态动词之前,此时助动词等应重读。如:

she always was late. 她老是迟到。

i never can remember. 我永远也记不住。

2. 在简略答语中,当频度副词与动词be、助动词或情态动词位于句末时,频度副词必须前置。

“philip is late again.” yes, he always is.” 菲利普又迟到了。”—是的,他总是迟到。”

“can you park your car near the shops?” yes. i usually can.”

“你可以在商店附近停车吗?”—是的,通常可以。”

位于句末的用法。

常可用于句末。 如:

we all get into trouble sometimes. 我们有时都会遇到麻烦。

2. often有时可置于句末,但通常会带有very, quite, fairly, more, so等修饰语。如:

when i was young, i used to play tennis very often. 我年轻时经常打网球。

3. usually有时也用于句末,其前不用修饰语。

i’m not late, usually. 我通常不迟到。

一般不用于句末,除非其前带有only,very等修饰。

i play basketball very seldom indeed. 我很少打篮球。

5. always一般不用于句末,偶尔用于句末,此时它不表法“总是”,而表示“永远”。

i’ll love you always. 我将永远爱你。

位于句首的用法。

1. sometimes常可用于句首。

sometimes she comes late. 有时她来得晚。

2. often用于句首时,通常表示强调,且其前一般有quite, very修饰。

very often he comes in late. 他常常迟到。

quite often the phone rings when i’m in the bath. **经常在我洗澡时响。

有时也用于句首,其前不用修饰语。

usually i get up early. 我平时起得早。

sometimes he comes by bus, but usually he comes by taxi.

有时他坐公共汽车来,不过他通常还是打的来。

usually cooking pots h**e two small handles but pans h**e one long handle.

通常地深底煮锅有两只把手而平底锅只有一个长长的把手。

一般不用于句首,除非是用在祈使句中。

always remember this. 请时刻记住这一点。

三、典型例题。

例题1.the play __next month aims mainly to reflect the local culture.

a. produced b. being produced c. to be produced d. h**ing been produced

难度分级:a级。

答案:c解析:首先分析film 与选项中produce之间的关系,被动,然后根据next month 知道是将来的时间。

例题2.___you need to give all you h**e and try your best.

a. being a winner b. to be winner c. be a winner d. h**ing been a winner

难度分级:b级。

答案:b解析:放在句首考查非谓语动词做状语。从不定式开始,表示“为了”。为了完成工程,可以后半句的意义衔接。

例题3.all of them try to use the power of the workstation __information in a more effective way.

a. presenting b. presented c. being presented d. present

难度分级:c级。

答案:a解析:分析workstation 与present展示之间的关系为主动。

四、课堂搭配练习。

1、--does your mother often go to the movies?

she doesn’t like movies at all.

a. ever b. never c. sometimes d. usually

2、—look at the bird over there! it’s so beautiful!

wow! it’s a rare crane. it___appears in this area.

a. always b. usually c. seldom d. often

3、maria___speaks chinese because she doesn’t know much chinese.

a. seldom b. often c. usually

4、he often works late at night, so he __goes to bed before10 o’clock.

a. often b. never c. hardly d. always

5、he has___been to new york, has he?

a. already b. ever c. never d. still

五、课后作业。

1、sandy does not h**e much time to play tennis. she __plays tennis.

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