初三英语review units1-5
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初三系列复习资料
一、名词的数
1.单数和复数
可数名词有单数和复数两种形式。复数形式通常是在单数形式后加词尾“-s”构成,其主要变法如下:
(1)一般情况在词尾加-s,例如:book→books,girl→girls,boy→boys,pen→pens,doctor→doctors, boy→boys。
(2)以s,x,ch,sh,结尾的词加-es,例如:bus→buses,class→classes,box→boxes,watch→watches,brush→brushes。
(3)以ce, se, ze,(d)ge结尾的名词加s,例如:orange—oranges。
(4)以辅音母加y结尾的词变“y”为“i”再加-es,例如:city→cities, factory→factories, country→countries, family→families。但要注意的是以元音字母加y结尾的名词的复数形式只加s,如:boy→boys, day→days。
(5)以o结尾的词多数都加-es。例如:hero→heroes,potato→potatoes,tomato→tomatoes,但词末为两个元音字母的词只加-s。例如:zoo→zoos,radio→radios,还有某些外来词也只加-s,例如:photo→photos,piano→pianos。
(6)以f或fe结尾的词,多数变f为v再加-es,例如:knife→knives,leaf→leaves, half→halves。
复数词尾s(或es)的读音方法如下表所示。
复数词尾s(或es)的读音方法
情 况 读法 例 词
在[p][t][k][f]等清辅音后 [s] cups, hats, cakes
在[s][z][t][ ][F]等音后
[iz] glasses, pages, oranges, buses, watches,faces
在[b][d][ ][v]等浊辅音后
[z] beds, dogs, cities, knives
(7)少数名词有不规则的复数形式,例如:man→men,woman→women,tooth→teeth,foot→feet,child→children,mouse→mice。
【注意】与man和woman构成的合成词,其复数形式也是-men和-women。例如:an Englishman,two Englishmen。但German不是合成词,故复数形式为 Germans;man, woman等作定语时,它的单复数以其所修饰的名词的单复数而定,如:men workers, women teachers。
有个别名词单复数一样,例如:Chinese,Japanese,sheep,deer,fish等。但当fish表示不同种类的鱼时,可以加复数词尾。
(8)单数形式但其意为复数的名词有:people, police等。
(9)数词+名词作定语时,这个名词一般保留单数形式,中间加连字符。例如:ten-minutes’ walk, an 8-year-old girl, a ten-mile walk。
(10)还有些名词仅有复数形式,如:trousers,clothes,chopsticks,glasses,goods,ashes,scissors,compasses。
(11)只用作单数的复数形式的名词有:
科学名词:physics, mathematics/maths
游戏名称:bowls
专有名词:the United States, Niagara Falls
其他名词:news, falls
2.不可数名词“量”的表示方法
在英语中,不可数名词如果要表示“量”的概念,可以用以下两种方法:
(1)用much, a little, a lot of/lots of, some, any等表示多少,例如:
The rich man has a lot of money.
There is some milk in the bottle.
Is there any water in the glass?
I don't like winter because there's too much snow and ice.
(2)用a piece of 这类定语,例如:
a piece of paper a piece of wood a piece of bread
a bottle of orange a glass of water(milk) a cup of tea
a cup of tea a bag of rice three bags of rice
如果要表示“两杯茶”、“四张纸”这类概念时,在容器后加复数,例如:
two cups of tea
four pieces of paper
three glasses of water
不可数名词也可用a lot of, lots of, some, any, much等来修饰。
二、名词的所有格
名词所有格,用来表示人或物的所有,以及领属关系。
1. 表示有生命的名词的所有格其单数形式是加 's,其复数形式是s',例如:a student's room, students' rooms, father's shoes。
2. 如其结尾不是s的复数形式仍加 's,如:Children's Day。
3. 在表示时间、距离、长度、重量、价格、世界、国家等名词的所有格要用 's,例如:a twenty minutes' walk,ten miles' journey,a boat's length,two pounds' weight, ten dollars' worth。
4. 无生命名词的所有格则必须用of结构,例如:a map of China,the end of this term,the capital of our country, the color of the flowers。
5. 双重所有格,例如:a friend of my father's。
【注意】
如果两个名词并列,并且分别有 's,则表示“分别有”,例如:John's and Mary's rooms(约翰和玛丽各有一间,共两间);Tom's and Mary's bikes(两人各自的自行车)。
两个名词并列,只有一个's,则表示“共有”,例如:John and Mary's room(约翰和玛丽共有一间);Tom and Mary's mother(即Tom与Mary是兄妹)。
1. 形容词的用法
(1) 形容词在句中作定语, 表语, 宾语补足语。 例如:
Our country is a beautiful country. (作定语)
The fish went bad. (作表语)
We keep our classroom clean and tidy. (作宾语补足语)
(2) 形容词修饰something, anything, nothing, everything等不定代词时,形容词放在名词后面。
I have something important to tell you.
Is there anything interesting in the film.
(3) 用 and 或 or 连接起来的两个形容词作定语时一般把它们放在被修饰的名词后面。起进一步解释的作用。
Everybody, man and woman, old and young, should attend the meeting.
You can take any box away, big or small.
(4) the+形容词表示一类人或物
The rich should help the poor.
2. 副词的用法
(1) 副词在句中可作状语,表语和定语。
He studies very hard. (作状语)
Life here is full of joy. (作定语)
When will you be back? (作表语)
副词按其用途和含义可分为下面五类:
1)时间副词
时间副词通常用来表示动作的时间。常见的时间副词有:now today, tomorrow, yesterday, before, late, early, never, seldom, sometimes, often, usually, always等。例如:
He often comes to school late.
What are we going to do tomorrow?
He is never been to Beijing.
2)地点副词
地点副词通常用来表示动作发生的地点。常见的地点副词有:here, there, inside, outside, home, upstairs, downstairs, anywhere, everywhere, nowhere, somewhere, down, up, off, on, in, out等。例如:
I met an old friend of mine on my way home.
He went upstairs.
Put down your name here.
3)方式副词
方式副词一般都是回答“怎样的?”这类问题的,其中绝大部分都是由一个形容词加词尾-ly构成的, 有少数方式副词不带词尾-ly, 它们与形容词同形。常见的方式副词有:anxiously, badly, bravely, calmly, carefully, proudly, rapidly, suddenly, successfully, angrily, happily, slowly, warmly, well, fast, slow, quick, hard, alone, high, straight, wide等。例如:
The old man walked home slowly.
Please listen to the teacher carefully.
The birds are flying high.
He runs very fast.
4)程度副词
程度副词多数用来修饰形容词和副词,有少数用来修饰动词或介词短语。常见的程度副词有:much, (a) little, a bit, very, so, too, enough, quite, rather, pretty, greatly, completely, nearly, almost, deeply, hardly, partly等。例如:
Her pronunciation is very good.
She sings quite well.
I can hardly agree with you.
5)疑问副词是用来引导特殊疑问句的副词。常见的疑问副词有:how, when, where, why等。例如:
How are you getting along with your studies?
Where were you yesterday?
Why did you do that?
(2)副词在句中的位置
1)多数副词作状语时放在动词之后。如果动词带有宾语,则放在宾语之后。例如:
Mr Smith works very hard.
She speaks English well.
2)频度副词作状语时,通常放在行为动词之前,情态动词,助动词和be动词之后。例如:
He usually gets up early.
I’ve never heard him singing.
She is seldom ill.
3)程度副词一般放在所修饰的形容词和副词的前面, 但enough作副词用时,通常放在被修饰词的后面。例如:
It is a rather difficult job.
He runs very fast.
He didn’t work hard enough.
4)副词作定语时,一般放在被修饰的名词之后。例如:
On my way home, I met my uncle.
The students there have a lot time to do their own research work.
(3)部分常用副词的用法
1) very, much
这两个副词都可表示“很”,但用法不同。Very用来修饰形容词和副词的原级,而much用来修饰形容词和副词的比较级。例如:
She is a very nice girl
I’m feeling much better now.
Much可以修饰动词,而very则不能。例如:
I don’t like the idea much.
They did not talk much.
2) too, either
这两个副词都表示“也”,但too用于肯定句,either用于否定句。例如:
She can dance, and I can dance, too.
I haven’t read the book and my brother hasn’t either.
3) already, yet
already一般用于语肯定句,yet一般用于否定句。例如:
He has already left.
Have you heard from him yet?
He hasn’t answered yet.
4) so, neither
so和neither都可用于倒装句, 但so表示肯定,neither表示否定。
例如:
My brother likes football and so do I.
My brother doesn’t like dancing and neither do I.
3. 形容词和副词的比较级和最高级
(1) 两个人或事物的比较时(不一定每一方只有一个人或一个事物),用比较
级。
Our teacher is taller than we are.
The boys in her class are taller than the boys in your class.
(2) most 同形容词连用而不用 the,表示 "极,很,非常, 十分"。
It's most dangerous to be here.
在这儿太危险。
(3) "The+形容词比较级..., the+形容词比较级..."表示 " 越... 就越..."。
The more you study, the more you know.
(4) " 形容词比较级 + and + 形容词比较级 ", 表示 " 越来越... "。
It's getting hotter and hotter.
(5) 主语+谓语(系动词)+as+形容词原形+as+从句。表示两者对比相同。
This box is as big as mine.
(6) the + 形容词 表示某种人。
He always helps the poor.
(7) 形容词和副词最高级用于三个或三个以上的人和物进行比较。
Shanghai is one of the biggest cities in China.
你可以去这里下载很多的http://bbs8.ruiwen.com/cgi-bin/topic.cgi?forum=11&topic=19
一、名词的数
1.单数和复数
可数名词有单数和复数两种形式。复数形式通常是在单数形式后加词尾“-s”构成,其主要变法如下:
(1)一般情况在词尾加-s,例如:book→books,girl→girls,boy→boys,pen→pens,doctor→doctors, boy→boys。
(2)以s,x,ch,sh,结尾的词加-es,例如:bus→buses,class→classes,box→boxes,watch→watches,brush→brushes。
(3)以ce, se, ze,(d)ge结尾的名词加s,例如:orange—oranges。
(4)以辅音母加y结尾的词变“y”为“i”再加-es,例如:city→cities, factory→factories, country→countries, family→families。但要注意的是以元音字母加y结尾的名词的复数形式只加s,如:boy→boys, day→days。
(5)以o结尾的词多数都加-es。例如:hero→heroes,potato→potatoes,tomato→tomatoes,但词末为两个元音字母的词只加-s。例如:zoo→zoos,radio→radios,还有某些外来词也只加-s,例如:photo→photos,piano→pianos。
(6)以f或fe结尾的词,多数变f为v再加-es,例如:knife→knives,leaf→leaves, half→halves。
复数词尾s(或es)的读音方法如下表所示。
复数词尾s(或es)的读音方法
情 况 读法 例 词
在[p][t][k][f]等清辅音后 [s] cups, hats, cakes
在[s][z][t][ ][F]等音后
[iz] glasses, pages, oranges, buses, watches,faces
在[b][d][ ][v]等浊辅音后
[z] beds, dogs, cities, knives
(7)少数名词有不规则的复数形式,例如:man→men,woman→women,tooth→teeth,foot→feet,child→children,mouse→mice。
【注意】与man和woman构成的合成词,其复数形式也是-men和-women。例如:an Englishman,two Englishmen。但German不是合成词,故复数形式为 Germans;man, woman等作定语时,它的单复数以其所修饰的名词的单复数而定,如:men workers, women teachers。
有个别名词单复数一样,例如:Chinese,Japanese,sheep,deer,fish等。但当fish表示不同种类的鱼时,可以加复数词尾。
(8)单数形式但其意为复数的名词有:people, police等。
(9)数词+名词作定语时,这个名词一般保留单数形式,中间加连字符。例如:ten-minutes’ walk, an 8-year-old girl, a ten-mile walk。
(10)还有些名词仅有复数形式,如:trousers,clothes,chopsticks,glasses,goods,ashes,scissors,compasses。
(11)只用作单数的复数形式的名词有:
科学名词:physics, mathematics/maths
游戏名称:bowls
专有名词:the United States, Niagara Falls
其他名词:news, falls
2.不可数名词“量”的表示方法
在英语中,不可数名词如果要表示“量”的概念,可以用以下两种方法:
(1)用much, a little, a lot of/lots of, some, any等表示多少,例如:
The rich man has a lot of money.
There is some milk in the bottle.
Is there any water in the glass?
I don't like winter because there's too much snow and ice.
(2)用a piece of 这类定语,例如:
a piece of paper a piece of wood a piece of bread
a bottle of orange a glass of water(milk) a cup of tea
a cup of tea a bag of rice three bags of rice
如果要表示“两杯茶”、“四张纸”这类概念时,在容器后加复数,例如:
two cups of tea
four pieces of paper
three glasses of water
不可数名词也可用a lot of, lots of, some, any, much等来修饰。
二、名词的所有格
名词所有格,用来表示人或物的所有,以及领属关系。
1. 表示有生命的名词的所有格其单数形式是加 's,其复数形式是s',例如:a student's room, students' rooms, father's shoes。
2. 如其结尾不是s的复数形式仍加 's,如:Children's Day。
3. 在表示时间、距离、长度、重量、价格、世界、国家等名词的所有格要用 's,例如:a twenty minutes' walk,ten miles' journey,a boat's length,two pounds' weight, ten dollars' worth。
4. 无生命名词的所有格则必须用of结构,例如:a map of China,the end of this term,the capital of our country, the color of the flowers。
5. 双重所有格,例如:a friend of my father's。
【注意】
如果两个名词并列,并且分别有 's,则表示“分别有”,例如:John's and Mary's rooms(约翰和玛丽各有一间,共两间);Tom's and Mary's bikes(两人各自的自行车)。
两个名词并列,只有一个's,则表示“共有”,例如:John and Mary's room(约翰和玛丽共有一间);Tom and Mary's mother(即Tom与Mary是兄妹)。
1. 形容词的用法
(1) 形容词在句中作定语, 表语, 宾语补足语。 例如:
Our country is a beautiful country. (作定语)
The fish went bad. (作表语)
We keep our classroom clean and tidy. (作宾语补足语)
(2) 形容词修饰something, anything, nothing, everything等不定代词时,形容词放在名词后面。
I have something important to tell you.
Is there anything interesting in the film.
(3) 用 and 或 or 连接起来的两个形容词作定语时一般把它们放在被修饰的名词后面。起进一步解释的作用。
Everybody, man and woman, old and young, should attend the meeting.
You can take any box away, big or small.
(4) the+形容词表示一类人或物
The rich should help the poor.
2. 副词的用法
(1) 副词在句中可作状语,表语和定语。
He studies very hard. (作状语)
Life here is full of joy. (作定语)
When will you be back? (作表语)
副词按其用途和含义可分为下面五类:
1)时间副词
时间副词通常用来表示动作的时间。常见的时间副词有:now today, tomorrow, yesterday, before, late, early, never, seldom, sometimes, often, usually, always等。例如:
He often comes to school late.
What are we going to do tomorrow?
He is never been to Beijing.
2)地点副词
地点副词通常用来表示动作发生的地点。常见的地点副词有:here, there, inside, outside, home, upstairs, downstairs, anywhere, everywhere, nowhere, somewhere, down, up, off, on, in, out等。例如:
I met an old friend of mine on my way home.
He went upstairs.
Put down your name here.
3)方式副词
方式副词一般都是回答“怎样的?”这类问题的,其中绝大部分都是由一个形容词加词尾-ly构成的, 有少数方式副词不带词尾-ly, 它们与形容词同形。常见的方式副词有:anxiously, badly, bravely, calmly, carefully, proudly, rapidly, suddenly, successfully, angrily, happily, slowly, warmly, well, fast, slow, quick, hard, alone, high, straight, wide等。例如:
The old man walked home slowly.
Please listen to the teacher carefully.
The birds are flying high.
He runs very fast.
4)程度副词
程度副词多数用来修饰形容词和副词,有少数用来修饰动词或介词短语。常见的程度副词有:much, (a) little, a bit, very, so, too, enough, quite, rather, pretty, greatly, completely, nearly, almost, deeply, hardly, partly等。例如:
Her pronunciation is very good.
She sings quite well.
I can hardly agree with you.
5)疑问副词是用来引导特殊疑问句的副词。常见的疑问副词有:how, when, where, why等。例如:
How are you getting along with your studies?
Where were you yesterday?
Why did you do that?
(2)副词在句中的位置
1)多数副词作状语时放在动词之后。如果动词带有宾语,则放在宾语之后。例如:
Mr Smith works very hard.
She speaks English well.
2)频度副词作状语时,通常放在行为动词之前,情态动词,助动词和be动词之后。例如:
He usually gets up early.
I’ve never heard him singing.
She is seldom ill.
3)程度副词一般放在所修饰的形容词和副词的前面, 但enough作副词用时,通常放在被修饰词的后面。例如:
It is a rather difficult job.
He runs very fast.
He didn’t work hard enough.
4)副词作定语时,一般放在被修饰的名词之后。例如:
On my way home, I met my uncle.
The students there have a lot time to do their own research work.
(3)部分常用副词的用法
1) very, much
这两个副词都可表示“很”,但用法不同。Very用来修饰形容词和副词的原级,而much用来修饰形容词和副词的比较级。例如:
She is a very nice girl
I’m feeling much better now.
Much可以修饰动词,而very则不能。例如:
I don’t like the idea much.
They did not talk much.
2) too, either
这两个副词都表示“也”,但too用于肯定句,either用于否定句。例如:
She can dance, and I can dance, too.
I haven’t read the book and my brother hasn’t either.
3) already, yet
already一般用于语肯定句,yet一般用于否定句。例如:
He has already left.
Have you heard from him yet?
He hasn’t answered yet.
4) so, neither
so和neither都可用于倒装句, 但so表示肯定,neither表示否定。
例如:
My brother likes football and so do I.
My brother doesn’t like dancing and neither do I.
3. 形容词和副词的比较级和最高级
(1) 两个人或事物的比较时(不一定每一方只有一个人或一个事物),用比较
级。
Our teacher is taller than we are.
The boys in her class are taller than the boys in your class.
(2) most 同形容词连用而不用 the,表示 "极,很,非常, 十分"。
It's most dangerous to be here.
在这儿太危险。
(3) "The+形容词比较级..., the+形容词比较级..."表示 " 越... 就越..."。
The more you study, the more you know.
(4) " 形容词比较级 + and + 形容词比较级 ", 表示 " 越来越... "。
It's getting hotter and hotter.
(5) 主语+谓语(系动词)+as+形容词原形+as+从句。表示两者对比相同。
This box is as big as mine.
(6) the + 形容词 表示某种人。
He always helps the poor.
(7) 形容词和副词最高级用于三个或三个以上的人和物进行比较。
Shanghai is one of the biggest cities in China.
你可以去这里下载很多的http://bbs8.ruiwen.com/cgi-bin/topic.cgi?forum=11&topic=19
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