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英语语法数词思维导图
数字是表示数目和顺序的词,表数目的词是基本数词,表顺序的词是序数词。11112222333
工具/材料
书本
- 01
表示数目的基数词为:one, five ten ,thirty,sixty-five,等
表顺序的词是序数为:first,sixth,tenth,twenty-first.
基数词:编号的事物可用序数或来基数表示
the sixth lesson =lesson six
如果编号的数字较大的一般用基数词,Room 302 - 02
表示在年,月,日时,年用基数词,日用序数词,年的读法先读前两位数,再读后两位数,表示钟点时用基数词。(表示几点过几分时,如不超过30分钟,用介词past,如果超过30分钟,则用介词to表示“差多少分到几点”)
- 03
用作基数词单位的hudred, thousand,million,billion通常不带复数词尾s,但若用于表示数百,数千,数百万这样的泛指,则用复数
About two thousand people died in the earthquake
Thousands of people go the seaside - 04
序数词:许多的序数词是由相应的基数词后加词尾-th构成的,如four -fourth,six- sixth,ten-tenth,但是nine则是变成ninth,而不是nineth
twentieth ,thirtieth,fortieh,等表示整十的序数词,由相应的基数词将词尾y改为ie,再加上th构成。 - 05
first ,econd ,third,通常可缩写为1st,2nd,3rd.凡是以th结尾 的序数词可缩写为“基数词+th
非整十的多位数,将个位变成序数词即可twenty-first,thirty-sixth,
序数词前通常要用定冠词, - 06
分数由基数词和序数词构成:分子用基本词,分母用序数词,除分子是1的情况外,序数词都用复数形式,书写时要加上连字符号;带分数中的整数用基数词表示加and和分数词隔开。three/fifths=3/5
- 07
倍数:英语中表示倍数时通常借助,half ,double,twice,three times等之类的词,如:they're twice the size of chickens
百分数:百分数由基数词和百分号(%)读作:percent 0percent=60%
特别提示
数词的用法一般不多,记住怎么读,遇见了能知道就行了。
英语句子成分课件ppt
英语句子成分课件ppt
英语句子成分一:主语
一、主语(subject): 句子说明的人或事物。
The sun rises in the east. (名词)
He likes dancing. (代词)
Twenty years is a short time in history. (数词)
Seeing is believing. (动名词)
To see is to believe. (不定式)
What he needs is a book. (主语从句)
It is very clear that the elephant is round and tall like a tree.
(It形式主语,主语从句是真正主语)
英语句子成分二:谓语
二、谓语(predicate):说明主语的动作、状态和特征。
We study English.
He is asleep.
英语句子成分三:表语
表语(predicative):系动词之后的成分,表示主语的性质、状态和特征。
He is a teacher. (名词)
Seventy-four! You don’t look it. (代词)
Five and five is ten. (数词)
He is asleep. (形容词)
His father is in. (副词)
The picture is on the wall. (介词短语)
My watch is gone / missing / lost. (形容词化的分词)
To wear a flower is to say “I’m poor, I can’t buy a ring. ” (不定式)
The question is whether they will come. (表语从句)
常见的.系动词有: be, sound(听起来), look(看起来), feel(摸起来),smell(闻起来),
taste(尝、吃起来), remain(保持,仍是), feel(感觉) ….
It sounds a good idea.
The sound sounds strange.
Her voice sounds sweet.
Tom looks thin.
The food smells delicious.
The food tastes good.
The door remains open.
Now I feel tired.
英语句子成分四:宾语
1)动作的承受者——动宾
I like China. (名词)
He hates you. (代词)
How many do you need? We need two. (数词)
We should help the old and the poor.
I enjoy working with you. (动名词)
I hope to see you again. (不定式)
Did you write down what he said? (宾语从句)
2)介词后的名词、代词和动名词——介宾
Are you afraid of the snake?
Under the snow, there are many rocks.
3) 双宾语——间宾(指人)和直宾(指物)
He gave me a book yesterday.
Give the poor man some money.
;英语数词的用法全归纳文库
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 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.
英语数词的用法英语教案
英语中用来表示事物的数量或顺序的词叫做数词。根据数词的特征,可将数词分为基数词和序数词;根据数字是否为整数,有可将它分为整数、分数和小数;根据数字所表示的数是否确定,有可分为定数和概数。数词在句中可用作主语、表语、宾语、定语、同位语、状语等。如:It’s
said
that
13
is
an
unlucky
number.
据说13是一个不吉利的数字。
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