英语数词讲解

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倍数的表示:
1)倍数+形容词/副词比较级+than,用…times表示。 The girl is ten times cleverer than her brother. 2)如果表示"是……两倍数",一般用twice。 My room is twice as large as yours. 3)倍数+as+形容词/副词/名词+as His apartment is three times as large as that of mine. 4)倍数+名词 The volume of the Sun is about 1,300,000 times that of the earth.
示"再一","又一"这样的意思。
Shall I ask him a third time? 我还要再问他一次吗?
用法:数词可以作句子的主语、宾语、表语和定语,同位语
(1) 作定语 There are only three boys in the class. Ten people will come to the party. (2) 作主语。 Three of them will play football. The second was better.
用法:数词可以作句子的主语、宾语、表语, 定语,同位语
(3) 作宾语 It is worth three hundred. He was among the first to arrive. (4) 作表语。 I am eighteen. She was second in her class. Two and two is four. (5) 作同位语。 Are you two coming? Who is the woman, the second in the second line?
用法:数词可以作句子的主语、宾语、表语, 定语,同位语
(3) 作宾语 It is worth three hundred. He was among the first to arrive. (4) 作表语。 I am eighteen. She was second in her class. Two and two is four. (5) 作同位语。 Are you two coming? Who is the woman, the second in the second line?
基数词找规律记忆:百內数
找清规律很容易,十二以内词名异; 十三数到十九去,后加-teen莫忘记。 二十、 三十至九十,整十之后有-ty; 如果要说"几十几",中间"-"号别丢弃, hundred是"一百",请你记住莫大意。
序数词记忆找规律:百內数
一,二,三要全变;(one-first; two-second;three- third) 其余都加th, th里有例外,8去t,(eight-eighth) 9去e(nine-ninth) 字母f代ve(five-fifth; twelve-twelfth);ty变成tie(twentytwentieth) 若要变化几十几,只变个位就可以(twenty-one-twenty-first)
数词 (Numeral)
数词:表示数量或顺的词叫做数词
数词分为两大类,即基数词和序数词。 基数词表示数目:one,two,three,four……; 序数词表示顺序:first,second,third,fourth……序数 词的缩写形式为阿拉伯数字加序数词的最后两个 字母.如: first---1st;second---2nd; third-3rd; 序数 词前一般要加the。有时序数词前面可加不定冠词来表
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