2020湖南普通专升本英语语法:序数词的表示方法
来源:长理培训发布时间:2020-08-11 22:37:27
(一)序数词的表示方法:
序数词=基数词+th,但以下几个特殊:
one-first,two-second,three-third,five-fifth.eight-eighth,nine-ninth,twelve-twelfth,twenty-twentieth……,
a hundred-a hundredth
序数词的表示方法
倍数、分数、小数、百分数的表示方法:
1.倍数:time(s)
This room is three times as large as that one.这个房间有那个房间三个大。
Three times three is nine.三三得九。
2.分数:
分子用基数词表示,分母用序数词表示,分子为2以上时,分母(序数词)应变为复数。
三分之一,one third,a third;五分之三,three fifths
数短语作主语时,谓语的数由of后面的名词来决定,名词为可数名词复数,则谓语用复数;名词为不可数名词,谓语用单数。
A third of the land is covered by forests.
Two thirds of the workers are working hard.
3.小数:
小数点前的基数词与前面所讲的基数词读法完全相同,小数点后面则须将数字一一读出。
1.25读作one point two five
0.56读作naught point five six或zero point five six
4.百分数:
百分号%读作percent
eg.5%读作five percent
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