英语语法大攻克--数词讲解
数词讲解与练习
数词分为基数词和序数词。表示事物数目的词称为基数词，表示事物顺序的词称为序数词。
1.基数词(1000以内的基数词的读法
365—three hundred and sixty-five 505—five hundred and five
2.基数词变序数词的方法：
eg. one—first two—second three—third
eight—eighth nine—ninth twelve—twelfth
twenty—twentieth twenty-one –-twenty-first
3.数词的应用：
A、时刻表达法：
a. 整点：基数词+ o’clock
eg. It’s eight o’clock now.
b. 几点几分：
1．直接表达法：先小时后分eg. 3:25 three twenty-five
2.间接表达法：先分后小时
1)(<30分钟)用past ：分钟past 小时
eg. 3:25 twenty-five (minutes) past three
2) (>30分钟)用to：(60-分钟数) to (小时数+1)
eg. 3:35 twenty-five (minutes) to four
3) 30分钟= half 15分钟= a quarter
eg. 3:30 three thirty = half past three
3:15 three fifteen = a quarter past three.
3:45 three forty-five = a quarter to four
B、日期表达法：月日，年（或日月年）
1949年10月1日:
October1st , nineteen forty-nine
=the first of October, nineteen forty-nine
2000年: the year two thousand
=twenty hundred
2001年: twenty o one
3月1日: March the first = the first of March
C、表编号：
第207房间：Room 207
第五课：Lesson 5 = the fifth lesson
D、序数词与不定冠词(a; an)连用表―又一；再一‖
eg. You’ve done it three times. Why not try a fourth time?
E、分数的表达：分子（基数）、分母（序数）
eg. one third 三分之一two thirds 三分之二
注意：1.分子超过1时，分母加s
2.含分数的短语作主语由分数后的词决定谓语
eg.1)One third of the students are girls. 2)One third of the milk is mine.
3.分数的特殊形式
1)one third = a third
2)one fourth = a quarter three fourths = three quarters
3)one second = a half
F、一些数词的复数+ of表约数：
hundreds of ; thousands of ; millions of
练习
( )1.If you go out at night, you’ll be able to see ____ starts.
A. thousands of
B. thousand of
C. nine thousands of
D. thousands
( )2.Monday is ___ day of the week.
A. first
B. the first
C. the second
D. second
( )3.You’ve done it twice. Why not try ____ time?
A. third
B. the third
C. a third
D. once
( )4.Which is the____ month? It’s September.
A. nine
B. nineth
C. ninth
D. ninety
( )5.December is ___ of the year.
A. the twelfth months
B. the twelfth month
C. the twelveth months
D. twelve months
( )6.There are ___ floors in the building and he lives on the ____ floor.
A. eighteen, fifteen
B. eighteenth, fifteenth
C. eighteen, fiveteen
D. eighteen, fifteenth
( )7.I was born ___, 1982.
A. on June 2rd
B. in June 2nd
C. on June two
D. on June 2
( )8.It’s ____ from our home to the zoo.
A. two and a half hours’ walk
B. a half and two hours walk
C. two hours and a half hour’s walk
D. two and a half hour’s walk
( )9.What time is it now? It’s ___ to six.
A. quarter
B. a quarter
C. quarto C. a quarto
( )10.Will you be back in ____ ?
A. one or two minutes
B. one minute or two
C. two minutes or one
D. two or one minute
( )11.Mary’s uncle went to France ____.
A. in his thirties
B. on his thirties
C. at his thirties
D. about his thirties
( )12.The headmaster wrote a ___ report.
A. two thousand words
B.two-thousand-words
C. two-thousand words
D. two-thousand-word
( )13.____of the apples in the fruit bowl are soft and sweet.
A. Two-third
B. Second-third
C. Two-thirds
D. Second-thirds
( )14.We have learned about ____ these days.
A. several hundreds English words
B. hundreds of English words
C. hundred of English words
D. several hundred English word
( )15.A UN report says that the word population will pass six billion by the end of ____ century.
A. twentieth
B. twenty
C. the twentieth
D. the twentyth
初中英语语法--数词
数词 （一）分类：数词有基数词和序数词两种。可以作句子的主语、宾语、表语和定语。 1、基数词：表示数目的词叫基数词。 常用的基数词有：
[注]：(1)百位与十位之间要加and；百位为0的话，就加在百位和个位之间。 108→one hundred and eight, 146→one hundred and forty-six, 500→five hundred , 1001→one thousand and one, 1813→one thousand eight hundred and thirteen. 一千：1000→one(a)thousand, 一万：10,000→ten thousand, 十万：100,000→one hundred thousand , 百万：1,000,000→one million, 千万：10,000,000→ten million, 亿：100,000,000→one hundred million, (2)英语用千、百万等单位计数，大数字从右向左看, 每隔三位划一逗号，倒数第一个逗号之前要用thousand，倒数第二个逗号之前要用million，倒数第三的逗号之前要用billion 表示。 3，456，789 three million four hundred and fifty- six thousand seven hundred and eighty-nine 6，004，001 six million four thousand and one (3) hundred、 thousand、 million表示确切的数时，不加s。如：five hundred(五百)，加S时表示不确定的数，后面必须要有of，前面可以加上some, many, several等词，翻译为：“成…上…”。hundreds of(成百上千的)，thousands of(成千上万的), millions of(成百万的) 2、序数词：表示顺序的数词叫序数词。 ①英语的序数词基本变法： (1) 一般在基数词后加th,(2)-ve结尾的改为-fth,(3)-ty结尾的改为-tieth,(4) 熟记特殊词。
高中英语语法：It的完整用法精讲 打印版
高中英语语法：It的完整用法精讲 it可用作人称代词、指示代词、先行词及引导词等。 1. 人称代词it，是第三人称单数中性，代表前文已提到过的一件事物。如： 1）That vase is valuable. It's more than 200 years old. 那个花瓶很珍贵，它有200多年的历史。 2）I love swimming. It keeps me fit. 我喜欢游泳，它能使我保持健康。 当说话者不清楚或无必要知道说话对象的性别时，也可用it来表示。如： 3）It's a lovely baby. Is it a boy or a girl? 宝宝真可爱，是男孩还是女孩？ it可用来指代团体。如： 4）The committee has met and it has rejected the proposal. 委员会已开过会，拒绝了这项建议。 it用以代替指示代词this, that.如： 5）--- What's this? --- It's a pen. —这是什么？—是一支钢笔。 6）--- Whose book is that? --- It's Mike's. —那是谁的书？—是迈克的。 2. 指示代词it，常用以指人。如： 7）Go and see who it is. 去看看是谁。 8）--- Who is making such a noise? —是谁发出这样的吵闹声？ --- It must be the children. —一定是孩子们。 3.虚义it无指代性，常用作没有具体意义的主语，出现于表示天气、气候、温度、时间、地点、距离等意义的句子中。如： 9）It is half past three now. 现在是三点半钟。 10）It is six miles to the nearest hospital from here. 这里离最近的医院也有六英里。 11）It was very cold; it snowed and grew dark. 天气很冷；天下着雪，渐渐地变黑了。 it也常用来表示一般的笼统的情况。如： 12）It's awful—I've got so much work I don't know where to start. 糟透了——我有这么多工作要做我不知从何开始。 13）How is it going with you? 你近况如何？ 14）Take it easy. 不要紧张。 it也常用于下列结构： 15）It looks as if the college is very small. 看起来这个学院很小。 16）It seems as though our plan will be perfect. 似乎我们的计划很完善。 17）It's my turn. 该轮到我了。 it也常用于某些习惯用语中作宾语，各该习惯用语有具体意义，但it并无具体意义。如：cab it 乘车catch it 受责，受罚come it 尽自己分内come it strong 做得过分walk it 步行make it 办成take it out of somebody 拿某人出气 4. 先行词it. it充当形式主语或形式宾语，本身无意义，只起一种先行引导的作用，先行词不重读。后面的真正主语或真正宾语通常是不定式结构、-ing分词结构或名词性从句。 （1）用作形式主语
初中英语语法从句讲解
初中英语语法——三大从句汇总 在英语中，主要有三大从句，即名词性从句（包括主语从句，宾语从句，表语从句，同位语从句）、形容词性从句（即定语从句）、副词性从句（即状语从句,包括时间、条件、结果、目的、原因、让步、地点、方式等）。以下是一些基本的从句知识点 A、定语从句专项讲解与训练 一、定语从句概念 定语从句（attributive clause），顾名思义，就是一个句子作定语从属于主句。定语一般是由形容词充当，所以定语从句又称作形容词从句。另外，定语从句是由关系代词或关系副词引导的，故又称作关系从句。关系词常有3个作用：1，引导定语从句。2，代替先行词。3，在定语从句中担当一个成分。 定语从句一般放在它所修饰的名词或代词之后，这种名词或代词被称作先行词。请看示例：The woman who lives next door is a teacher. 先行词定语从句 在所有的从句中，算定语从句最难掌握，因为汉语里没有定语从句，汉语里只有定语，而且总是放在名词之前来修饰名词。 二、关系代词引导的定语从句 关系代词代替前面的先行词，并且在定语从句中充当句子成分，可以作主语、宾语、定语等。常见的关系代词有：who, that, which。它们的主格、宾格和所有格如下表所示： 格先行词主格宾格所有格 人who whom whose 物which which whose 、of which 人、物that that — （一）关系代词who, whom和whose的用法 1）who代替人，是主格，在定语从句中作主语。例如： An architect is a person who designs buildings. 建筑师是设计房屋的人。 I will never forget the teacher who taught us chemistry in the first year of my senior middle school. 我将永远不会忘记在高一时教我们化学的那位老师。 Anyone who wants to apply for this job must send us the resume by email first. 想应聘这个职位的任何人都必须先通过电子邮件向我们发送简历。2）whom代替人，是宾格，在定语从句作宾语，在非正式英语常可省略。例如：Do you know the gentleman whom we met in the school library yesterday? 昨天我们在学校图书馆里遇到的那位先生你认识吗？ This is the student whom my father taught ten years ago. 这是我爸爸十年前教的学生。 The girl who I saw is called Mary. 我见到的那个女孩名叫玛丽。（在非正式 英语中，主格who代替了宾格whom，亦可省略） 3）whose一般代替人，有时亦可代替物，是所有格，在定语从句作定语。例如：The girl student whose father is a senior engineer used to study abroad.
英语语法之冠词和数词
英语语法之冠词和数词 1.不定冠词a与an的用法 2.定冠词the的用法 3."零"冠词 4.基数词的用法 5.序数词的用法 一. 冠词的用法 冠词是虚词，放在名词之前，用来说明名词指的人或事物。冠词有两种。 a(an)叫不定冠词，the叫定冠词。a用在辅音之前，an用在元音之前。 1. 不定冠词的用法 (1) a和an均用在单数名词之前，表示某一类人或事物。例如： John is a student. Mary is an English teacher. (2) 指某一类人或事物中的任何一个。例如: A steel worker makes steel. Pass me an apple, please. (3) 指某人或某物，但不具体说明何人或何物。例如： A student wants to see you. A girl is waiting for you outside. (4) 表示“每一”的意思，相当于every。例如： Take the medicine three times a day. They go to see their parents once a week. 2. 定冠词用法
(1) 特指某（些）人或某（些）事物。例如： The book on the desk is an English dictionary. Beijing is the capital of China. (2) 指说话人和听话人都熟悉的人或事物。 例 如：Open the door, please. Jack is in th e library. (3) 上文提到过的人或事物。例如： Yesterday John’s father bought him a new bike. The bike cost him 200 yua n. (4) 表示世界上独一无二的事物。例如： The sun rises in the east and sets in the west. (5) 用在序数词和形容词最高级之前。 例 如：Shanghai is the biggest city in China. Jan uary is the first month of the year. (6) 用在某些形容词之前，表示某一类人或事物。 例如：The nurse is kind to the sick. We should take good care of the old. the old 老人the young 年轻人the rich 富人the poor 穷人 the sick 病人the dead 死人 (7) 用在某些专有名词之前和某些习惯用语中。例如： the Great Wall, the Summer palace, in the morning, in the open air等。 (8) 用在姓氏复数之前，表示“某某一家人”，“某某夫妇”。
初中英语语法精讲全(教师版)
初中英语语法 一、词类、句子成分和构词法： 1、词类：英语词类分十种： 名词、形容词、代词、数词、冠词、动词、副词、介词、连词、感叹词。 1、名词(n.)：表示人、事物、地点或抽象概念的名称。如：boy, morning, bag, ball, class, orange. 2、代词(pron.)：主要用来代替名词。如：who, she, you, it . 3、形容词(adj..)：表示人或事物的性质或特征。如：good, right, white, orange . 4、数词(num.)：表示数目或事物的顺序。如：one, two, three, first, second, third, fourth. 5、动词(v.)：表示动作或状态。如：am, is,are,have,see . 6、副词(adv.)：修饰动词、形容词或其他副词,说明时间、地点、程度等。如：now, very, here, often, quietly, slowly. 7、冠词(art..)：用在名词前,帮助说明名词。如：a, an, the. 8、介词(prep.)：表示它后面的名词或代词与其他句子成分的关系。如in, on, from, above, behind. 9、连词(conj.)：用来连接词、短语或句子。如and, but, before . 10、感叹词(interj..)表示喜、怒、哀、乐等感情。如：oh, well, hi, hello. 2、句子成分：英语句子成分分为七种：主语、谓语、宾语、定语、状语、表语、宾语补足 语。 1、主语是句子所要说的人或事物,回答是“谁”或者“什么”。通常用名词或代词担任。如： I’m Miss Green.(我是格林小姐) 2、谓语动词说明主语的动作或状态,回答“做(什么)”。主要由动词担任。如：Jack cleans the room every day. (杰克每天打扫房间) 3、表语在系动词之后,说明主语的身份或特征,回答是“什么”或者“怎么样”。通常由名 词、代词或形容词担任。如：My name is Ping ping .(我的名字叫萍萍) 4、宾语表示及物动词的对象或结果,回答做的是“什么”。通常由名词或代词担任。如：He can spell the word.(他能拼这个词) 有些及物动词带有两个宾语,一个指物,一个指人。指物的叫直接宾语,指人的叫间 接宾语。间接宾语一般放在直接宾语的前面。如：He wrote me a letter . (他 给我写了一封信) 有时可把介词to或for加在间接宾语前构成短语,放在直接宾语后面,来强调间接 宾语。如：He wrote a letter to me . (他给我写了一封信)
初中英语语法之数词
初中英语语法-数词及练习 一、内容概述 表示数目和顺序的词叫数词。数词可分为基数词和序数词两类 二、重点知识归纳及讲解 (一）基数词 基数词用来表示数目，或者说表示数量的词叫基数词。最基本的基数词如下表所示。 1 one 11 eleven 100 a hundred 2 two 12 twelve 20 twenty 1000 a thousand 3 three 13 thirteen 30 thirty 1，000，000 a million 4 four 14 fourteen 40 forty 10，000，000 ten million 5 five 15 fifteen 50 fifty 100，000，000 a hundred million 6 six 16 sixteen 60 sixty 1，000，000，000 a billion 7 seven 17 seventeen 70 seventy 8 eight 18 eighteen 80 eighty 9 nine 19 nineteen 90 ninety 10 ten 说明： 1．13—19是由个位数加后缀-teen构成。注意其中13、15的拼写是thirteen和fifteen。2．20—90由个位数加后缀-ty构成，注意其中20—50的拼写分别是twenty, thirty, forty 和fifty;80的拼写是eighty。 3．其它非整十的两位数21—99是由整十位数加连字符“-”，再加个位数构成。如81 eighty-one。4．101—999的基数词先写百位数，后加and再写十位数和个位数.如691 six hundred and ninety-one。 5．1000以上的基数词先写千位数，后写百位数，再加and，最后写十位数和个位数。 如：5893 five thousand eight hundred and ninety-three。在基数词中只有表示“百”、“千”的单位词，没有单独表示“万”、“亿”的单位词，而是用thousand（千）和million（百万）来表达，其换算关系为：1万=10 thousand;1亿=100 million; 10亿=a thousand million=a billion。 7．多位数的读法： 1）1000以上的多位数，要使用计数间隔或逗号“，”。即从个位起，每隔三位加一个间隔或逗号。第一个间隔或逗号前是thousand（千），第二个间隔或逗号前是million（百万），第三个间隔或逗号前是a thousand million或a billion(十亿)。 2）每隔三位分段以后就都成了101—999。读的时候十位数（或个位数）的前面一般要加and。如：888，000，000读作：eight hundred and eighty-eight million。
高考英语语法专题复习 数 词
2008高考英语语法专题复习数词 高考重点要求： 1．掌握基数词、序数词、分数词、倍数、百分数、年月日、钟点、年龄、序号的基本用法。 2．掌握不定数量词、约数词的表达方法。 数词在各个题项中，单选、阅读、听力、写作中发挥着很强的作用，往往用以说明事实的精确性和可信性。数词是由两大部分构成的即基数词和序数词，而其他数字表示法如分数，小数等均由这两大部分的不同组合而构成。 （三）数词的用法： 1.英语中年月日、点钟、序数词、分数词、算式列表 示例英语表示法 2001．6．30 June 30,2001 30June,2001 30thJune, 2001 7：25 seven twenty-five twenty-five past even 12:54 twelve fifty four six to one 9:15 nine fifteen a quarter past nine 2:30 two thirty half past two 21:50 twenty-one fifty 9:50p.m. 第21 twenty-first
第123 one hundred and twenty-third 21 a half 52 2 two and two-fifths 20% 20 per cent 20 percent 第七路公共汽车 Bus Number Seven 第201房间 Room 201 人民路153号 153 Renmin Road 4+8 =12 Four plus eight is twelve 11-7=4 Eleven minus seven is four. 6×5=30 Six times five is thirty. 20÷5=4 twenty divided by five is four. A ＞B A is more than B. A ＜B A is less than B. A ≈ B A is approximately (近似地, 大约)equals to B. A ≠B A is not equal to B. 2.约数表示法列表 含义 英语表达 例句 大于某数 more than He has lived here for more than twenty years. over she is over fifty. or more There're thirty people or more in the meeting-room. 小于某数 less than I have less than (not more than )fifty dollars. under Children under seven are not allowed to enter. below He would not sell it for below a hundred fifty dollars. or less The coat might cost him sixty dollars or less. 大约（某数） nearly She is nearly fifty now. almost Its almost three o'clock. up to Up to ten men can sleep in this tent. or He spent four or five days writing the article. or so The distance is twenty miles or so. about I visited that village about three years ago. some Their team has some four or five players. more or less The container can hold more or less twenty pounds of water. around/round Let's make it round/around eight o'clock. 3.不定数量词“多”的表示法列表
英语语法从句讲解
从句 从句按其在主句中的句法功能可分为三类: 即名词性从句、形容词性从句(即定语从句)和副词性从句(即状语从句)。 引导从句的词称作关联句. 一、名词性从句 引导这些名词性从句的关联词包括: 从属连词that, if, whether; 连接代词 who,whoever,whom,whomever,which,whichever,what,whatever,wh ose; 连接副词where, when, why, how。 其中, 从属连词只起连接作用, 在从句中不充当任何句法成分, 而连接代词和连接副词既起连接作用, 在从句中又充当一定的成分. That Owen should have married his cousin is not at all surprising. The fact is that he didn't go to the dinner party. I don't know if he will attend the meeting. Have you heard the news that Mary is going to marry Tom? 你听说玛丽要和汤姆结婚的消息了吗?(that引导同位语从句) [提示]
1. 在含有主语从句的复合句中, 为保持句子平衡, 常用it作形式主语,而将真正的主语从句置于句末. It's well-known that water is indispensable to life.(形式主语) 2. 为保持句子平衡, that引导的宾语从句也常用it代替, 而将真正的宾语从句置于主句句末。这常常出现在主句有形容词或分词作宾语补足语的情况下。 He made it quite clear that he preferred to live here. 3. 从属连词whether和if都作“是否…”解, 但if不可引导主语从句和表语 从句。whether可与or(not)连用, 而if不可以。 I don't know whether (if) she is at home. Whether she comes or not makes no difference. 4. that和what引导名词性从句的区别: that在从句中不充当成分,而what在从句中充当一定的成分, 如主语、表语、宾语等。that可省略, what则不可省。 He always means what he says. She suggested (that) he do it at once. 5. 同位语从句大多由从属连词that引导, 常跟在下列名词后面, 如fact, idea, opinion, news, hope, belief等, that不可省。同位语从句一般用来解释说明这些名词的具体含义和内容。 We are familiar with the idea that all matter consists of atoms. The news that we are invited to the conference is very encouraging.
初中英语语法宾语从句讲解-专项练习及答案
初中英语语法宾语从句讲解 小口诀： 宾语从句三注意，时态语序引导词；主句一般现在时，从句不需受限制； 主句一般过去时，从句须用相应时；陈述转化that引，一般疑问用if/whether, 特殊问句疑问词，引导词后陈述式。 一．基本讲解来源：直接引语变间接引语 概念:在句中担当宾语的从句叫宾语从句。 Eg: He said,“I am good at drawing”. He said he was good at drawing. (动词宾语) 1.引导词 (1) that引导宾语从句时，通常用陈述句充当, that可省略。 Eg: She said,“I want to go there ”She said (that) she wanted to go there. (2) whether 或if 引导的宾语从句,由一般疑问句/选择疑问句充当，陈述语序。 Eg: “Are you interested in geography?” she said. She asked if/whether I was interested in geography. I wonder if /whether she has told the new to Li Lei . I’m not sure whether he will come or not. 注意：一般情况下，whether 和if 可以互用，但有些情况例外 a. 介词短语后只用whether 不用if eg: We are talking about whether we'll go on the panic. b. 引导词与动词不定式或or not 连用时，只用whether. eg:I can?t say whether or not he will come on time c. if当如果讲时,引导的是条件状语从句，表示‘如果’，不能用whether. Eg: If you want to be a good teacher, it will take times. Whether you can succeed depends on how much effort you pay. (3).特殊疑问词引导宾语从句时，不可省略，陈述句语序。 特殊疑问词为：how , when, where, why ,which whose. E.g. …What do you want?? He asked. He asked me what I wanted. I have no idea where he is now. I don?t know how to deal with it. He asked whose handwriting is the best in the class. 2.宾语从句时态 a.主句为一般现在时，从句不受主句的限制 eg: Do you know if/whether he has seen the film? I?m sorry to hear that your father is ill. She says she is going to go to Beijing next week. He tells me that his sister came back yesterday. b.当主句是一般过去时，从句用过去的相应某种时态 She didn?t know why the boy was late again. (过去一般) I didn't know if/whether he had seen the film.（过去完成） I wondered when she was going to America.（过去将来） 注意：当主句是一般过去时，而从句表示的是客观真理，自然现象，科学原理，格言等，从句仍然要用一般现在时。例如： Eg: He said （that the earth moves round the sun. / that light travels much faster than sound.）The teacher told us （seeing is believing.）
初中英语语法4数词
初中英语语法4数词
数词 一、本周内容概述 表示数目和顺序的词叫数词。数词可分为基数词和序数词两类。 二、重点知识归纳及讲解 （一）基数词 基数词用来表示数目，或者说表示数量的词叫基数词。最基本的基数词如下表所示。 1 one 11 eleven 100 a hundred 2 two 12 twelv e 20 twen ty 1000 a thousand 3 thr ee 13 thirte en 30 thirt y 1，000，000 a million 4 fou r 14 fourt een 40 fort y 10，000，000 ten million 5 five 15 fiftee n 50 fifty 100，000，000 a hundred million 6 six 16 sixtee n 60 sixty 1，000，000，000 a billion 7 sev en 17 seventeen 70 seventy 8 eig ht 18 eighteen 80 eighty 9 nin 19 nineteen 90 ninety
e 10 ten 说明： 1．13—19是由个位数加后缀-teen构成。注意其中13、15的拼写是thirteen和fifteen。 2．20—90由个位数加后缀-ty构成，注意其中20—50的拼写分别是twenty, thirty, forty 和fifty;80的拼写是eighty。3．其它非整十的两位数21—99是由整十位数加连字符“-”，再加个位数构成。如：81 eighty-one。 4．101—999的基数词先写百位数，后加and再写十位数和个位数。如：691 six hundred and ninety-one。5．1000以上的基数词先写千位数，后写百位数，再加and，最后写十位数和个位数。 如：5893 five thousand eight hundred and ninety-three。在基数词中只有表示“百”、“千”的单位词，没有单独表示“万”、“亿”的单位词，而是用thousand（千）和million（百万）来表达，其换算关系为：1万=10 thousand;1亿=100 million; 10亿=a thousand million=a billion。 7．多位数的读法： 1）1000以上的多位数，要使用计数间隔或逗号“，”。即从个位起，每隔三位加一个间隔或逗号。第一个间隔或逗号前是thousand（千），第二个间隔或逗号前是million（百万），第三个间隔或逗号前是 a thousand million或 a billion(十亿)。 2）每隔三位分段以后就都成了101—999。读的时候十位数（或个位数）的前面一般要加and。如： 888，000，000读作：eight hundred and eighty-eight million。 （二）、基数词的用法
英语语法之数词
数词 一、整数的表示法和读法 1. 表示二十以上的十位数，要在个位数和十位数之间加连字符号。表示百位数，要在百位数和十位数之间（无十位数，则在百位数和个位数之间）加and。在美国英语中，and 往往省略。 e.g. I) 73 = seventy-three II) 809 = eight hundred (and) nine III) 269 = two hundred (and) sixty-nine 2. 书写千位数以上的阿拉伯数字，从后往前每隔三位用一分节号。 e.g. I) 1,000 = one/a thousand II) 100,000 = one/a hundred thousand III) 10,000 = ten thousand IV) 1,000,000 = one/a million 3. hundred, thousand, million, billion等词前面有具体数字或several修饰时，不加-s。 e.g. I) The magazine has seven million readers. II) The watch cost two hundred dollars. 不与数词或several连用，可以复数形式出现，表示“数以百计”、“成千上万”等。 e.g. I) Millions of people watched the 2004 Summer Olympics. II) Thousands and thousands of people visit the West Lake every year. III) They arrived in twos and threes. 他们三三两两地来了。 当表示数量的score, dozen等词前面有具体数词或several修饰时，不加-s。 e.g. I) We need several dozen eggs. II) Three score and ten people were present at the party. 70个人参加了这次派对。 同样，当它们不与数词或several连用时，可以复数形式出现。 e.g. I have been there scores of times. 二、分数的表示法和读法 1. 分数中的分子用基数词来表示，分母则用序数词来表示。分子大于1时，分母要用复数形式的序数词。 e.g. I) 1/3 = one third or a third II) 2/5 = two-fifths 2. 1/4和3/4的表示法如下： e.g. I) 1/4 = one quarter or a quarter or one fourth or a fourth II) 3/4 = three quarters or three-fourths 3. 1/2用one half或a half表示。 e.g. I) a half mile/ half a mile II) an hour and a half/ one and a half hours 一个半小时（注意两种表示法中hour 的单复数形式。） 三、小数和百分数的表示法和读法 1. 小数点(point)左边的数字按个、十、百……位读；右边的数字一般分开单个读出，也可以按个、十、百位读。 e.g.I) 14.397 –fourteen point three nine seven或fourteen point three hundred
北京学位英语语法精讲：名词性从句
北京学位英语试题精讲：名词性从句 1._____ you don’t know the rule won’t be a sufficient excuse for your failure. A. It is B. That C. Because D. What 【答案】B此题考查的是that引导的主语从句。这句话的意思是：你不知道规则，这不是解释你失利的充分理由。其他选项都不能引导。 2.___ was unimportant. A. Whether he enjoyed our dinner or not B. No matter how he enjoyed our dinner C. If he enjoyed our dinner D. What he enjoyed our dinner 【答案】A。本句为主语从句，意思是“他是否喜欢我们的饭不重要。”只有A最符合题意。 3.________ we go swimming every day ________ us a lot of good. A. If...do B. That...do C. If...does D. That...does 【答案】D。每天游泳对我们有好处。从句作主语谓语动词用单数。 4. It is pretty well understood _______ controls the flow of carbon dioxide in and out the atmosphere today. A. that B. when C. what D. how 【答案】C。什么控制着二氧化碳的在大气中的进入和输出。 5. ________ team wins on Saturday will go through to the national championships. A. No matter what B. No matter which C: 'Whatever D. Whichever 【答案】D。不论哪一队赢。 6. As soon as he comes back, I'll tell him when ________ and see him. A. you will come B. will you come C. you come D. do you come 【答案】A.他一回来我就告诉他你什么时候来看他。 7. John has a new car. I wonder__________ it. A. he got B. when did he get C. why he is getting D. when he got 【答案】D.约翰买了一辆新车，我想知道他什么时候买的。 8. We don’t know how ____in the park. A. the little boy got lost B. did the little boy get lost C. was the little boy lost D. tin- little boy lost 【答案】A.我们不知道这个小孩在公园里迷路了。 9. I can't remember __to come here and get my bad teeth fixed. A. I have how many times B. how many times have I C. how many times will I have D. how many times I have 【答案】D.我都记不清多少次来这里安牙了。 10. ——Is that your watch? ——No, I can't tell _____.
初中英语语法知识—数词的图文解析(1)
一、选择题 1．---If your parents wanted to have a ______ child, would you agree? ---Of course. But they should make it in _____ yeas’ time. A．second; second B．two; two C．second; two D．two;second 2．—How do your students improve their English writing? —Well, about ______________ of the students like keeping diaries in English in our class. A．two fifth B．two fifths C．second five D．two five 3．﹣Welcome to Los Angeles．Have you ever been here? ﹣Sure. I visited this city three years ago so this is my _________ time here. A．first B．second C．third 4．---I am going to take this summer holiday in Taiwan. ---Oh, really? Taiwan is ______ a beautiful island that ______ people in Guangdong go to visit it every year. A．so; thousands B．so; thousands of C．such; many thousand D．such; thousands of 5．Every year there are about _______ people waiting for their trains back home in the railway station before Spring Festival comes. A．five thousand of B．five thousand C．thousand of D．five thousands of 6．— They will need __________ volunteers for 2014 International Horticulture Exposition (国际园艺博览会) in Qingdao. —Let’s go and join them. A．thousand of B．thousands of C．three thousand of D．three thousands 7．—How long is the bridge? —About ______ long. A．two thousand meter B．two thousand meters C．two thousands meter D．two thousands meters 8．I hear ____ foreign students will come to our school and they are in the ____ grade. A．eight, eighth B．eight, eight C．eighth, eighth 9．I’ve told him of that ______, but he always forget it. A．a hundred time B．hundred times C．hundred of times D．hundreds of times 10．This is our _______ school year, we are going to graduate in two months. A．third B．three C．the third 11．______of the students in our class ______ going to the summer camp in Beijing next week. A．Two-fifths, are B．Second-fifths, are C．Two-fifths, is D．Second-fifths, is 12．Nearly ________of the American children get money from their part-time job. A．two third B．two three C．two thirds D．second third