时间:2019-02-07 作者:英语课 分类:英文语法词汇


英语课

   2.1 不定冠词的用法


  冠词是虚词,本身不能单独使用,也没有词义,它用在名词的前面,帮助指明名词的含义。英语中的冠词有三种,一种是定冠词(the Definite 1 Article),另一种是不定冠词(the Indefinite 2 Article),还有一种是零冠词(Zero Article)。
  不定冠词a (an)与数词one 同源,是"一个"的意思。a用于辅音音素前,一般读作[e],而an则用于元音音素前,一般读做[en]。
  1) 表示"一个",意为one;指某人或某物,意为a certain。
  A Mr. Ling is waiting for you.
  2) 代表一类人或物。
  A knife is a tool for cutting with.
  Mr. Smith is an engineer.
  3) 词组或成语。
  a little / a few / a lot / a type of / a pile / a great many / many a / as a rule / in a hurry / in a minute / in a word / in a short while / after a while / have a cold / have a try / keep an eye on / all of a sudden 3
  2.1 不定冠词的用法
  冠词是虚词,本身不能单独使用,也没有词义,它用在名词的前面,帮助指明名词的含义。英语中的冠词有三种,一种是定冠词(the Definite Article),另一种是不定冠词(the Indefinite Article),还有一种是零冠词(Zero Article)。
  不定冠词a (an)与数词one 同源,是"一个"的意思。a用于辅音音素前,一般读作[e],而an则用于元音音素前,一般读做[en]。
  1) 表示"一个",意为one;指某人或某物,意为a certain。
  A Mr. Ling is waiting for you.
  2) 代表一类人或物。
  A knife is a tool for cutting with.
  Mr. Smith is an engineer.
  3) 词组或成语。
  a little / a few / a lot / a type of / a pile / a great many / many a / as a rule / in a hurry / in a minute / in a word / in a short while / after a while / have a cold / have a try / keep an eye on / all of a sudden
  2.2 定冠词的用法
  定冠词the与指示代词this,that同源,有"那(这)个"的意思,但较弱,可以和一个名词连用,来表示某个或某些特定的人或东西。
  1)特指双方都明白的人或物:
  Take the medicine. 把药吃了。
  2)上文提到过的人或事:
  He bought a house. I've been to the house.
  他买了幢房子。我去过那幢房子。
  3)指世上独一物二的事物:
  the sun, the sky, the moon, the earth
  4)单数名词连用表示一类事物,如:the dollar 美元;
  the fox 狐狸;或与形容词或分词连用,表示一类人:the rich 富人; the living 生者。
  5)用在序数词和形容词最高级,及形容词only, very, same等前面:
  Where do you live? I live on the second floor.  你住在哪?我住在二层。
  That's the very thing I've been looking for.  那正是我要找的东西。
  6)与复数名词连用,指整个群体:
  They are the teachers of this school.指全体教师)
  They are teachers of this school.  (指部分教师)
  7)表示所有,相当于物主代词,用在表示身体部位的名词前:
  She caught me by the arm.. 她抓住了我的手臂。
  8)用在某些由普通名词构成的国家名称、机关团体、阶级、等专有名词前:
  the People's Republic of China  中华人民共和国
  the United 4 States  美国
  9)用在表示乐器的名词之前:  She plays the piano. 她会弹钢琴。
  10) 用在姓氏的复数名词之前,表示一家人:
  the Greens  格林一家人 (或格林夫妇)
  11) 用在惯用语中:
  in the day, in the morning (afternoon,evening), the day after tomorrow
  the day before yesterday, the next morning,
  in the sky (water,field,country)
  in the dark, in the rain, in the distance,
  in the middle (of), in the end,
  on the whole, by the way, go to the theatre
  2.3 零冠词的用法
  1) 国名,人名前通常不用定冠词:England,Mary;
  2)泛指的复数名词,表示一类人或事物时,可不用定冠词;
  They are teachers. 他们是教师。
  3)抽象名词表示一般概念时,通常不加冠词;
  Failure is the mother of success. 失败乃成功之母。
  4)物质名词表示一般概念时,通常不加冠词,当表示特定的意思时,需要加定冠词;
  Man cannot live without water. 人离开水就无法生存。
  5)在季节、月份、节日、 假日、日期、星期等表示时间的名词之前,不加冠词;
  We go to school from Monday to Friday.  我们从星期一到星期五都上课。
  6)在称呼或表示官衔,职位的名词前不加冠词;
  The guards took the American to General Lee.
  士兵们把这个美国人送到李将军那里。
  7)在三餐、球类运动和娱乐运动的名称前,不加冠词 如:have breakfast,play chess
  8)当两个或两个以上名词并用时,常省去冠词;
  I can't write without pen or pencil.  没有钢笔和铅笔,我就写不了字。
  9)当by 与火车等交通工具连用,表示一种方式时,中间无冠词;by bus,by train;
  10)有些个体名词不用冠词;如:
  school,college,prison,market,hospital,bed,table,class,town,church,court 等个体名词,直接置于介词后,表示该名词的深层含义;
  go to hospital  去医院看病
  go to the hospital  去医院 (并不是去看病,而是有其他目的)
  11)不用冠词的序数词;
  a. 序数词前有物主代词
  b. 序数词作副词  He came first in the race.
  c. 在固定词组中  at (the) first,first of all,  from first to last
  2.5 冠词位置
  1) 不定冠词位置
  不定冠词常位于名词或名词修饰语前。注意:
  a. 位于下列形容词之后: such,what,many,half,
  I have never seen such an animal.
  Many a man is fit for the job.
  b. 当名词前的形容词被副词as, so, too, how, however, enough修饰时,不定冠词应放在形容词之后:
  It is as pleasant a day as I have ever spent.
  So short a time.
  Too long a distance.
  c. quite,rather与单数名词连用,冠词放在其后。
  但当rather,quite 前仍有形容词,不定冠词放其前后均可。如:quite a lot
  d. 在as,though 引导的让步状语从句中,当标语为形容词修饰的名词时,不定冠词放形容词后:
  Brave a man though he is,he trembles 5 at the sight of snakes. 他尽管勇敢,可见到蛇还是发抖。
  当名词被比较级形容词修饰时,不定冠词通常置于比较级形容词之后。
  2) 定冠词位置
  定冠词通常位于名词或名词修饰语前,但放在all, both,double,half,twice,three times等词之后,名词之前。
  All the students in the class went out. 班里的所有学生都出去了。
  2.6 数词
  表示数目多少或顺序多少的词叫数词,数词分为基数词和序数词。表示数目多少的数词叫基数词;表示顺序的数词叫序数词。
  一、基数词
  1)基数词写法和读法: 345 three hundred and forty-five;
  2)基数词一般是单数形式,但下列情况,常用复数:
  a. 与of 短语连用,表示概数,不能与具体数目连 用,如scores of people 指许多人;
  b. 在一些表示"一排"或"一组"的词组里;
  如:They arrived in twos and threes. 他们三三两两的到达了。
  c. 表示"几十岁";
  d. 表示"年代",用 in +the +数词复数;
  e. 在乘法运算的一种表示法里,如:3 x 5 = 15 Three fives is (are) fifteen.
  二、序数词
  序数词的缩写形式: first---1st second---2nd thirty-first---31st
  三、 数词的用法
  1)倍数表示法
  a. 主语+谓语+倍数(或分数)+ as + adj. + as
  I have three times as many as you. 我有你三倍那么多。
  b. 主语+谓语+倍数(分数)+ the size (amount,length…) of…
  The earth is 49 times the size of the moon. 地球是月球的49倍。
  c. 主语+谓语+倍数(分数)+ 形容词(副词)比较级+ than…
  The grain output 6 is 8 percent higher this year than that of last year.
  今年比去年粮食产量增加8%。
  d. 还可以用by+倍数,表示增加多少倍
  The production of grain has been increased by four times this year.
  今年粮食产量增加了4倍。
  2)分数表示法
  构成:基数词代表分子,序数词代表分母。分子大于1时,分子的序数词用单数,分母序数词用复数:
  1/3 one-third ; 3/37 three and three-sevenths.

adj.明确的,肯定的,确定的,限定的
  • It's definite that he will come to help us.他肯定会来帮助我们。
  • We demand a definite answer.我们要求明确的答案。
adj.不明确的,模糊的,不定的,无限的
  • The store will be closed for an indefinite period.这家商店将无限期关闭。
  • He gave me an indefinite answer.他给了我一个含糊其辞的答复。
n.突然,忽然;adj.突然的,意外的,快速的
  • All of a sudden he turned about and saw me.他突然转过身来看见了我。
  • The horse was badly frightened by the sudden noise.那匹马被突然而来的嘈杂声吓坏了。
adj.和谐的;团结的;联合的,统一的
  • The whole nation is closely united.全国人民紧密团结。
  • The two men were united by community of interests.共同的利益使两个人结合在一起。
v.发抖( tremble的第三人称单数 );焦虑;颤动;轻轻摇晃
  • His fustian shirt, sanguineflowered, trembles its Spanish tassels at his secrets. 他身上穿的是件印有血红色大花的粗斜纹布衬衫,每当他吐露秘密时,西班牙式的流苏就颤悠。 来自互联网
  • Brave as he is, trembles at the sight of a snake. 他虽然很勇敢,看到蛇还是会发抖。 来自互联网
n.产量,输出,输出功率,输出端;vt.输出(信息等)
  • Grain output reached a new high in the three years.谷物产量达到三年中最高水平。
  • The chart showed us the global output of a factory.这张图表展示了一个工厂的总产量。
标签: 语法 冠词
学英语单词
abnormal behavior
Alexis B.
auriculo-ventricular opening (or auriculo-ventricular aperture)
backblast area
bacteriostatically
Barão de Capanema
branch linking
brownish-blacks
brush-offs
carve-out
cell agglutination
certificate replacement service
chylifactive
clinical medical science
column bolt
compressed image validation date
connected space
cycle timing diagram
cyclic associativity
deckle strap
density of electrostatic charge
design overpower factor
dihyrdroberberine
dilute magnetic semiconductor
direct package
Drumore
electronic optical
English white
five unit alphabet
focusing x-ray tube
genus cercidiums
geological periods
gone for a holiday
half-frequency spin waves
horizontal deflectiontube
hygroscopical
industry application program
infrared absorbing glass
Intalox saddle
integrating spherical densitometer
interpupillometer
Keramitsa
left-continuous function
listing order
lottia luchuana
louty
low-lead gas
main cutting edge
Malus' law of rays
meadow ore
melt back transistor
mesostasis
midcycle data updating
Milne-Shaw seismograph
Moncayo, Sa.del
Monumentum Ancyranum
Mpese
myocardial ischemia
naked buds
neocinetic
network operation interface
nonshared environment
Norephedrane
not transferable
obligation to serve
organo-magnesium compound
out of contact
OVL (overlap)
pigage
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propere
pyrophotophobia
quantum summation
rotational shear tectonic system
sasc
satellite constellation
Savantvadi
selective forward error correcting
semantic query optimization
Shoshin
single-kick multivibrator
single-syllable
sluicer
socket-outlet
Solu-cortef
speech-writers
speed cushion
standby machinery
storage lockers
superincumbent stratum
surface of no strain
take your bearings
tissue bundle
touch needles
towing wire
transverse rolling
trunk operator
ultraviolet photoemission spectroscopy
veren
welepolitik
wiggers
wild fauna