初中英语知识点:关系副词

编辑: 逍遥路 关键词: 初中英语 来源: 高中学习网
关系副词:
用于引出定语从句,且在句中用作状语。
关系副词when表示时间,where表示地点,why表示原因。
例如:Sunday is the day when very few people go to work.
That is the reason why he dislikes me.
Do you know a shop where I can find sandals?

关系副词用法:
1.关系副词兼有副词与连接词两种作用,在不及物动词的连接中要求用关系副词。


2.关系副词所引导的形容词子句用于修饰主要子句中的某一名词或代名词,被修饰的词称作先行词,关系副词要放在先行词之后。
例如:关系副词when在定语从句中用作状语,表示时间,用以修饰表示时间的先行词。


3.关系副词主要有三个,即when,where,why。此外that也可代替关系代词引导代词子句。


4.关系副词=preposition(介词)+relative pronoun(关系代词)
例如:where=in which,when=on which,why=for which
这些关系副词在从句中做状语。
Would you please tell me the way how I can get to the zoo?
你能告诉我去动物园的路吗?(the way是先行词。)
This is the place where(that) I first met her.
这是我第一次见到她的地方。
在口语中that可以充当关系副词,代替when,why,how,只有先行词是the place时,才可代替where。
A:When should we start to work?
B:The sooner (we start),the better (it will be).
我们应该什么时候开始工作? 越早越好。
the作关系副词是引导副词子句,句子结构一般为:The+比较级...+the+比较级...,第一个the是关系副词。

5.time,day,year,place,house,reason,way等作先行词时可以被省略,其后的子句不再是形容词子句,而变成名词子句或副词子句。
中文:这是他出生的地方。
This is where he was born.
where he was born是名词子句。
This is the place where he was born.
where he was born是形容词子句。
中文:我将在第一次见到她的地方见她。
I'll meet her at the place where I first met her.
where I first met her是形容词子句。
I'll meet her where I first met her.
where I first met her是副词子句。


6.关系副词有限定用法,指的是关系副词引导的形容词子句只修饰先行词。
We were very happy in those days when we studied in school.
我们在学校里上学的那些日子里很快乐。


7.关系副词有补述用法,即关系副词引导的是对等子句而不是形容词子句,主要用于对主要子句中的不足之处加以补充,前面都要加逗点与主要子句分开。
Tom got married the day before yesterday,when it was his birthday too.
汤姆前天结婚了,那天也是他的生日。


8.wherever,whenever,however是复合关系副词,表示"不论",引导一个修饰主要子句里的动词的副词子句,可加强语气或表示让步。
Wherever he goes,he would bring an umbrella with him.
不论他去那里,他都带着一把雨伞。



定语从句中关系词省略的6种情形:
关系词有时可以省略,但这只限于限制性定语从句中,在非限制性定语从句中,关系词则不可省略。
一、关系代词作宾语时的省略
当关系代词who, whom, which和that在定语从句中用作动词宾语或介词位于句末时的介词宾语时,可以省略。如:
Is there anything (which) you wanted? 想要什么东西吗?
Who is the man (that / who / whom) you were talking to? 刚才和你讲话的人是谁?


二、关系代词作表语时的省略
当关系代词that在定语从句中用作表语时,可以省略。如:
China is not the country (that) it was. 中国已不是过去的中国了。(that作表语)


三、关系代词作宾补时的省略
当关系代词that在定语从句中用作宾语补足时,可以省略。如:
I’m not the madman (that) you thought me. 我并不是你所认为的那个疯子。(that作宾语补语)


四、关系副词when的省略
用作时间状语的关系副词when通常不能省略,但有一种特殊情况,即用于day, year, time等少数几个词后时可以省略(也可换成that)。如:
That was the year (that) I first went abroad. 就是那一年我第一次出国了。
I’ll never forget the day (that) we met. 我永远也忘不了我们见面的那一天。


五、关系副词where的省略
用作地点状语的关系副词where通常不能省略,但有一种特殊情况,即用于place, somewhere, anywhere, everywhere, nowhere少数几个词后时可以省略(也可换成that)。如:
This is the place (where) they met yesterday. 这就是他们昨天碰头的地方。
Have you somewhere (that) I can lie down for an hour? 你有没有一个什么地方可以让我躺一个小时?

六、关系副词why的省略
关系副词why通常只用于the reason后引导定语从句,且通常可换成that或for which,均可省略。如:
That’s the reason (why, for which, that) he came. 这就是他来的原因。
Give me one reason (why) we should help you. 给我举出一个我们应当帮助你的理由。




相关初中英语知识点:副词的比较级,副词的最高级

副词的比较级和最高级:
当两种物体之间相互比较时,我们要用形容词或副词的比较级;
当相互比较的物体是三个或三个以上时,我们就要用形容词或副词的最高级。
副词比较级和最高级的变化规则和形容词相似。

副词比较级的变化规则:

一、规则变化


1.一般在词尾直接加erest。hard?harder?hardest;long-longer-longest


2.以不发音的字母e结尾的单词在词尾直接加rst。nice-nicer-nicest


3.以辅音字母+y结尾的词,把y变为i,再加erest。early?earlier?earliest
4.重读闭音节,末尾只有一个辅音字母,双写这个辅音字母,再加erest,例如,big-bigger-biggest


5.部分双音节词和多音节词分别在原级前加more构成比较级和most构成最高级,carefully?more carefully?most carefully

二、不规则副词的比较级和最高级





























原级比较级最高级
wellbetterbest
badlyworseworst
muchmoremost
littlelesslest
farfarther(指距离)farthest(指距离)
further(指距离和抽象概念)furthest(指距离和抽象概念)



以ly结尾的副词,比较级有两种情况:
一种单词里本身就以结尾early;
另一种是由形容词+变为的副词 slowly,happily ,easily,他们改为比较级时 是不一样的。
例如:第一种情况,直接进行词尾变化early-earlier;
而第二种情况, 就要在副词原级前面+more,构成比较级。
因此,easily 的比较级应该是:more easily 。

副词等级的用法:
一、原级的用法

1.只能修饰原级的词,very,quite,so,too。例如:
He is too tired to walk on.他太累了以至于不能再继续走了。
My brother runs so fast that I can‘t follow him.我弟弟跑得那么快以至于我跟不上他。
2.原级常用的句型结构
(1)“甲+实意动词+(倍数)+as+副词原级+as+乙”表示“甲和乙程度相同”或“甲是乙的几倍”。例如:
Tom runs as fast as Mike.汤姆和迈克跑得一样快。
Tom runs twice as fast as Mike.汤姆跑得速度是迈克的二倍。
(2)“甲+助动词+not+动词原形+as/so+副词原级+as+乙”甲不如乙…例如:
He doesn’t walk as slowly as you.他走路不像你那样慢。

二、比较级的用法
1.可以修饰比较级的词,much,a lot,far,…的多; a little,a bit,…一点儿; even甚至;;still仍然。例如:
Lesson One is much easier than Lesson Two.第一课比第二课容易得多。
Tom looks even younger than before.汤姆甚至比以前更年轻。
This train runs much faster than that one.这辆火车比那辆跑地快。
She drives still more carefully than her husband.她开车仍然比她丈夫还认真。

2.比较级常用的句型结构
(1)“甲+实意动词+(倍数)+副词比较级+than+乙”表示“甲比乙…”或“甲比乙…几倍”。例如:
I got up earlier than my mother this morning.我今天早晨起床比我妈妈还早。
He runs three times faster than his brother.他跑的速度比他弟弟快三倍。
(2)“甲+实意动词+副词比较级+than+anyother+单数名词(+介词短语)”表示“甲比同一范围的任何一个人/物都……”,含义是“甲最……”。例如:
Mike gets to school earlier than any other student in his class.
= Mike gets to school earlier than any of the other students in his class.迈克比他们班上任何一个其他的同学到校都早。
= Mike gets to school earlier than the other students in his class.迈克比他们班上其他的同学到校都早。
= Mike gets to school earliest in his class.迈克在他们班到校最早。
注意:Mike gets to school earlier than any student in Tom’s class.迈克比汤姆班上任何一个学生到校都早。(迈克和汤姆不是同一个班)
(4)“比较级+and+比较级”表示“越来越……”。例如:
He is getting taller and taller.他变得越来越高了。
The flowers are more and more beautiful.花儿越来越漂亮。
He does his homework more and more carefully.他做作业越来越认真了。
(5)“the+比较级,the+比较级”表示“越……,越……”。例如:
The more careful you are,the fewer mistakes you’ll make.你越认真,犯的错误越少。
(6)“特殊疑问词+实意动词+副词比较级,甲or乙?”例如:
Who draws better,Jenny or Danny?谁画得比较好,詹妮还是丹尼?

三、最高级的用法
最高级常用句型结构
(1)“主语+实意动词+(the)+副词最高级+单数名词+in/of短语”表示“……是……中最……的”。例如:
I jump (the) farthest in my class.我是我们班跳得最远的。
(2) “特殊疑问词+be+the+副词最高级+甲,乙,or丙?”用于三者以上的比较。例如:
Which season do you like (the) best,spring,summer or autumn?你最喜欢哪一个季节,春天,夏天还是秋天?
(3)“特殊疑问词+be+the+最高级+甲,乙,or丙?”用于三者以上的比较。例如:
Which country is the largest,China,Brazil or Canada?哪一个国家最大,中国,巴西还是加拿大?


相关初中英语知识点:疑问副词

疑问副词:
用来引导特殊疑问句,表示时间,地点,方式,原因等。
常见的有:when,where,how,why等。

疑问副词的用法:
1.疑问副词是问何时、何地、如何、因何的副词,主要有when, where, how, why。

2.疑问副词用在句首。
How long have you been staying in America?
你在美国待多久了?


3.疑问副词在句中引导名词子句。
I want to know where she has gone.
我想知道她去哪里了。


4.疑问副词后接不定词构成的名词片语,在句中可以作主词、受词或主词补语。
How to solve the problem gives him a bad headache.
如何解决这个问题使他伤透脑筋。
(How to solve the problem作主词。)
I don't know how to answer the question.
我不知道如何回答这个问题。
(how to answer the question作受词。)
The patient is in urgent need the medicine, but the problem is where to get it.
这个病人急需这种药,但问题是哪里能找到。
(where to get it作主词补语。)


5.疑问副词引导的名词子句可作主词、受词或主词补语。
When we are to start the competition hasn't fixed yet.
我们什么时候开始比赛还没有定下来。
(When we are to start the competition作主词。)
She asked her husband where he had been.
她问她丈夫去哪里了。
(where he had been 作受词。)
The question is when we can finish our work.
问题是我们何时能完成我们的工作。
(when we can finish our work作主词补语。)



疑问代词与疑问副词的区别:
1. 疑问代词做对陈述句的主语,宾语或定语提问,即做句子的主语,宾语或定语,如what, who/ whom, whose.
eg. Who is talking ? What can you see?
Whose shirt is this?
2.疑问副词对时间,地点,方式等状语提问,如when, where, how 等.
eg. When is your birthday? Where are you going?
How do you know?
常见的疑问代词:what who which whom(只做宾语)
疑问副词:how where when
还有whether是疑问连接词。


相关初中英语知识点:频度副词

频度副词:
是表示动作发生频率的词。
常见的有:
ever, never, rarely, seldom, once, often, occasionally, constantly, frequently, usually,continually, always 等。
例如:He often came to see us.
She always was late.
常见频度副词在表示程度上有别,按频率大小排列如下:
always(100%)>usually(80%)>often(60%)>sometimes(40%)>seldom(20%)>hardly (10%)>never(0%)



常见程度副词用法列举:
◆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。
如果要变为否定句,应将always改为never才能全部否定。如:
Li Ping is always late for school. 李平上学总是迟到。
Li Ping is never late for school. 李平上学从不迟到。(全部否定)
Li Ping is not always late for school. 李平上学不总是迟到。(部分否定)
频度副词通常和一般现在时连用,表示动作发生的频率。但always与进行时连用时,并不强调动作正在进行,而是表示赞叹、厌烦等情绪。如:
He is always thinking of others. 他总是想着别人。(赞叹)
She is always asking silly questions. 她总是问些愚蠢的问题。(厌烦)
The boy is always asking for money. 这个小男孩总是要钱。(厌烦)

◆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。
My mother and I usually go shopping on Sundays. 我和妈妈通常在星期天去买东西。

◆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。
he boys often eat noodles and the girls sometimes eat them. 男生经常吃面条,女生有时吃。
I often chat with my friends under the big tree. 我经常在这棵大树下和朋友聊天。
He writes to his friends quite often. 他常给他的朋友写信。

◆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。
The little girl seldom goes out. 这个小女孩很少外出。
I will never forget your kindness. 我永远忘不了你的好意。
The boys never eat chocolate and the girls seldom eat it. 男生从不吃巧克力,女生很少吃。
Btter late than never. [谚语] 迟到(迟做)总比不来(不做)好。

◆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?

频度副词在句中不同位置的用法比较:
一、频度副词在否定句中的用法
在否定句中,有的频度副词位于否定词之前或之后均可,而有的频度副词则必须位于否定词之后,而还有的频度副词却必须要位于否定词。
大致情况如下:
1. 频度副词usually和often可位于否定词not之前或之后。
他们不常开这样的晚会。
正:They don’t often hold such parties.
正:They often don’t hold such parties.
星期日我们一般不在9点以前起床。
正:We don’t usually get up before nine on Sundays.
正:We usually don’t get up before nine on Sundays.
在否定句中,频度副词用于句中或句首,有时但会导致意思不同。
He doesn’t usually sleep for two days at a time. 他很少一连睡两天。
Usually he doesn’t sleep for two days at a time. 他连续两天不睡觉是常事。
2. 频度副词always总是位于否定词之后,不可位于否定句之前。
Things are not always what they seem to be. 外表往往是靠不住的。
Silence must not always be read as consent. 沉默并不见得一定意味着同意。
3. 频度副词sometimes总是位于否定词之前,不可位于否定词之后。
Jim is sometimes not very punctual. 吉姆有时不太准时。
Debbie is sometimes not responsible for what she does. 黛比有时对她所做的事不负责任。

二、频度副词位于句末的用法
1.sometimes常可用于句末。 如:
We all get into trouble sometimes. 我们有时都会遇到麻烦。
You can’t work all the time,it does you good to go out and enjoy yourself sometimes.
你不能总是工作,有时出去放松一下会对你有好处。
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:
We’ve been there quite often. 经常去那里。
When I was young, I used to play tennis very often. 我年轻时经常打网球。
Diana used to travel a lot. These days she doesn’t go away so often.
娜过去经常旅游。最近她不常出门了。
We're not exactly on intimate terms, but we see each other fairly often.
虽算不上关系密切,但还常见面。
注:有时也可不带修饰语,但主要见于否定句或疑问句。 如:
He writes to me often. 他经常给我写信。
Do you come here often? 你常来这儿吗?
I don’t come here often. 我不常来这儿。
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。
I get paid on Fridays usually. 我通常在星期五领工资。
4.seldom 一般不用于句末,除非其前带有only,very等修饰。
We go out very seldom. 我们绝少外出。
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。
另外,有时用于句末是因为句子有所省略的缘故。
Generally they walked together on Sunday, but not always.
他们一般在星期日一起散步,但并不总是如此。
句中的but not always=but they didn’t always walk together on Sunday。

三、频度副词位于句首的用法
1. sometimes常可用于句首。
Sometimes she comes late. 有时她来得晚。
Sometimes she didn’t agree with me. 有时她和我意见不一致。
Sometimes we get a lot of rain in August. 有时在8月份雨水很大。
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. 电话经常在我洗澡时响。
3.usually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 have two small handles but pans have 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。
4.always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。
Always look in the mirror before starting to drive. 一定要先看看反光镜再开车。
另外,never也可用于祈使句的句首。
Never tell him the news. 千万不要告诉他这消息。
Never ask her about her marriage. 决不要问她结婚的事。
5.在正式文体中,表示否定意义的副词seldom, never可位于句首,但此时其后要用倒装语序。
Seldom has there been such a happy meeting. 过去很少有过这样愉快的会议。
Never did he think the book would be finished so soon. 他可没想到这本书会这么快看完
另外,once a year (每年一次), twice a week (每周两次), three times a day (一天三次), every Saturday afternoon(每星期六下午)等,
这些时间状语也表示频率,它们可以和频度副词用在同一个句子中,表达上没有重复。如:
We usually go to the cinema four times a month. 我们通常一个月看四次电影。



频度副词的用法:
频度副词是副词的一种,在初中阶段常用的有四个,即always, usually,often,sometimes。它们的用法如下:
一、频度副词在句中的位置。
1.频度副词在句中习惯上位于be动词、助动词之后,行为动词之前。如:
She is often late for school.她上学经常迟到。
He usually goes to bed at about 12.他通常(午夜)十二点钟睡觉。
When do you usually get up in the morning?早上你通常什么时候起床?
2.sometimes是个特殊的频度副词,既可以放在be动词、助动词之后,行为动词之前,也可以放在句首,还可以放在句尾。如:
I sometimes think that it is a great mistake.我有时想这是一个大错。
Sometimes I help my mother in the house.有时候我帮助妈妈做家务。
3.often可以放在句中,也可放在句尾,习惯上不放在句首。如:
We have been there quite often.我们经常到那儿去。
She writes to me often. 她经常给我写信。
4.如果有两个助动词,频度副词通常放在第一个助动词后面。如:


We have never been invited to one of their parties. 他们聚会,一次也没邀请过我们。


She must sometimes have wanted to run away. 她有时候一定想到过要逃走。
5.这些频度副词的位置与句中谓语动词有无助动词有关。句中没有助动词时,副词置于动词be之后,其它动词之前。
频度副词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。”
6.频度副词后的动词可以是动词的任何形式,具体什么形式和频度副词本身没有关系。
如:
I have never been to the moon.
He sometimes goes to school by bike.

二、表示频度方面的区别:
1.always是频度最大的词,意为"总是;永远"。如:
I shall always remember my first day at school.我将永远记住我上学的第一天。
2.usually意为"通常",即很少例外,频度仅次于always。如:
What do you usually have for breakfast?你通常早餐吃什么?
3.often意为"经常",在频度上不如usually那么频繁。如:
Li Ping often does his homework in the afternoon.李平经常在下午做作业。
4.sometimes意为"有时候",频度比often小,表示动作偶尔发生,间断较大。如:
1.I sometimes go to the library.我有时去图书馆。
2.Sometimes I read a book in the evening.我有时在晚上看书。

三、频度副词与not连用时,表示部分否定;对频度副词进行提问时,要用how often。如:
1.A great scholar is not always a very wise man.大学者未必一定是极聪明的人。
2.We go to the cinema sometimes.(对划线部分提问)
How often do you go to the cinema?



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