初中英语语法—数词课件(21张)
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初中英语语法大全:数词
定义: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。
I基数词
1.基数词的构成
(11-20
one,two,three,four,five,six,seven,eight,nine,ten,eleven,twelve,thirteen,fourteen,fifteen, sixteen, seventeen, eighteen, nineteen, twenty
(221-99 先说“几十”,再说“几”,中间加连字符。
23→twenty-three,34→thirty-four,45→forty—five,56→fifty-six,67→sixty-seven,78→seventy-eight,89→eighty-nine,91→ninety-one
(3101—999先说“几百”,再加and,再加末两位数或末位数;
586→five hundred and eighty-six,803→eight hundred and three
(4l,000以上,先从右往左数,每三位数加一个“,”,第一个“,”前为thousand.第二个“,”前为
million,第三个“,”前为billion(美式或thousand ,million(英式,然后一节一节地表示。1,001→one thousand and one
9,785→nine thousand, seven hundred and eighty-five
18,423→eighteen thousand, four hundred and twenty-three
6,260,309→six million two hundred and sixty thousand three hundred and nine
750,000,000,000→seven hundred and fifty, billion(美式seven hundred and fifty
```````````` ````` 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 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。
初中英语语法归纳:数词
初中英语的语法跟汉语的语法有很大的不同,初中英语数词是其中之一。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。下面为大家讲解一下初中英语连词的用法。
(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。
一、选择题
1.There are _______ people in the cinema.
A.two hundred B.two hundreds C.two hundred of
2.The year “1999” should be read “The year_______.”
A.nineteen and ninety-nine B.nineteen ninety-nine
C.one thousand nine hundred ninety-nine D.nineteen hundred and ninety-nine
3.Christmas Day is on ______ of December.
A.twenty-five B.twenty-fifth C.the twenty-fifth
4.—How old is your sister?
—______________.We had a special party for her ______________ birthday yesterday.
A.Twenty-one;twenty-first B.Twenty-first;twenty-first
C.Twenty-one;twenty-one D.Twenty-first;twenty-one
5.– Good news. My good friend has just moved to my flat. He lives on the floor.
– We are neighbors. We live on the 19th floor. He lives one floor above us.
A.twelve B.twelfth C.twenty D.twentieth
6.–Hi, Kate! There are floors in this building. Which floor do you live on?