时间:2019-01-17 作者:英语课 分类:英语PK台


英语课

   第二部分:序数词


  序数词是数词的一种,表示为“第几”。
  1. 举例
  第1:first 1st
  第2:second 2nd
  第3:third 3rd
  第4:fourth 1 4th
  第5:fifth 2 5th
  第6:sixth 6th
  第7:seventh 7th
  第8:eighth 8th
  第9:ninth 9th
  第10:tenth 10th
  第11:eleventh 11th
  第12:twelfth 12th
  第13:thirteenth 13th
  第14:fourteenth 14th
  第15:fifteenth 15th
  第16:sixteenth 16th
  第17:seventeenth 17th
  第18:eighteenth 18th
  第19:nineteenth 19th
  第20:twentieth 3 20th
  第21:twenty-first 21st
  第22:twenty-second 22nd
  第23:twenty-third 23rd
  第24:twenty-fourth 24th
  第100:one hundredth 100th
  第一百二十一:one hundred and twenty-first
  第一千三百二十:one thousand three hundred and twentieth
  第二百五十二:two hundred and fifty-second
  2. 缩写
  first——1st
  second——2nd
  third——3rd
  fourth——4th
  sixth——6th
  twentieth——20th
  twenty-third——23rd
  其中1st,2nd,3rd为特殊形式,其他的都是阿拉伯数字后加th。
  3. 句法功能
  序数词在句中可作主语、宾语、定语和表语。
  The second is what I really need.
  第二个是我真正需要的。(作主语)
  He chooses the second.
  他挑选了第二个。(作宾语)
  We are to carry out the first plan 4.
  我们将执行第一个计划。(作定语)
  She is the second in our class.
  在我们班她是第二名。(作表语)
  注:序数词在使用时,通常前面要加定冠词the;但是如果序数词前出现不定冠词a或an时,则表示“再......”,“又......”。
  We'll go over it a second time.
  我们再念第二遍。
  We've tried it three times. Must we try it a fourth time?
  我们已经试过三遍了,还必须再试一次(第四次)吗?
  4. 用法举例
  506房:Room 506
  第二中学:No. 2 Middle School
  第五课:lesson 5
  第123页:Page 123
  7路公共汽车:Bus No.7
  5. 不用the的情况
  在英语中,使用序数词时前面要加定冠词 the,但是,在下面的情况下则不加 the:
  (1) 当序数词前有形容词性物主代词或名词所有格修饰时,序数词前不用 the。
  Mother was 5 my first teacher in my life 6.
  妈妈是我生命中的第一个老师。
  (2) 当表达分数时,序数词前不用 the。
  One fifth of the students here are from the country.
  这儿1/5的学生来自农村。
  Three fourths 7 of the students here are from the country.
  这儿的3/4的学生来自农村。
  (3) 当表达“又一,再一”时,序数词前不用 the,但可加不定冠词。
  Please give me a second chance 8.
  请再给我一次机会。
  The poor woman had 9 a third baby.
  那个可怜的妇女又生了第三个宝宝。
  (4) 当表达“年月日”时,序数词前不用the。
  He was born 10 on June 6th, 1974.
  他出生在1974年6月6日。
  (5) 当序数词在句中作状语时,序数词前不用 the。
  Who got 11 there second?
  谁第二个到那儿的?
  I finished 12 the work first.
  我最先完成那项工作。
  (6) 当表达考试(赛跑等)中获得的名次时,序数词前不用 the。
  She stands first in her class.
  她在班上成绩排名第一。

n.四分之一;num.第四
  • The fourth lesson is science.第四节是科学课。
  • The Fourth of July is the national holiday of the US.七月四日是美国国庆日。
num.第五;n.五分之一
  • It's the fifth door on the right.右边第五个门。
  • I like to sit in about the fifth row.我想坐在第五排左右。
n.二十分之一;num./adj.第二十
  • Tomorrow is her twentieth birthday.明天是她二十岁生日。
  • He is the twentieth on the list.在名单上他是第二十个。
n.计划,策略,方法;v.计划,设计,意欲
  • What do you plan to do during the holidays?你打算在假期里做什么?
  • I talked with him about our plan,and he wanted in.我同他谈了我们的计划,他想参加。
v.(is,am的过去式)是,在
  • He said he was right.他说他是正确的。
  • He was cold and hungry.他又冷又饿。
n.生活;生命
  • The doctor came in time to save his life.医生及时来抢救他的生命。
  • At last he knew the meaning of life.终于,他知道了生命的意义。
n.第四( fourth的名词复数 )
  • The ranch castrated three-fourths of its male calves. 牧场把四分之三的小公牛都阉割了。 来自《简明英汉词典》
  • Three-fourths of the public say they favor a national referendum on the issue. 四分之三的公众表示希望就这个问题进行全民公决。 来自辞典例句
n.机会,意外;运气;风险;vi.偶然发生;vt.偶然发生,冒险
  • We will take a chance to have the party outdoor.我们将冒险举行露天聚会。
  • This is the last chance any of us has.对于我们中的任何人来说,这是最后的一次机会。
vbl.have的过去式和过去分词;conj.有
  • I just had a good idea!我有个好主意!
  • The boy had a small branch of a tree in his hand.这个男孩手上拿一条小树枝。
v.动词bear的过去分词;adj.出生的,与生俱来的
  • The baby can cry as soon as he is born.婴儿生下来就会哭。
  • I feel as if I had been born again.我有一种再生之感。
v.(get的过去式)得到,猜到,明白
  • I just got some bad news.我刚得到一些坏消息。
  • I have got far too much work to do.我要做的事太多了。
adj.完成的,精湛的;v.动词finish的过去式和过去分词
  • We finished up everything there was on the table. 我们把桌上的东西全吃完了。
  • We can certainly have the job finished on time.我们肯定能按时完成任务。
标签: 英语PK台
学英语单词
acquire
active fiber optics element
Albany slip
amasius
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angle on
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apex (lung)
bloodloss
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click stud
closed surface without boundary
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syndrome of wind-heat invading head
take something the wrong way
telereality
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Tripuri
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undercurrent relay
unformatted statement
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vote immediately
wait sth out
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yassin