8.hundred,thousand,million用复数形式修饰名词时要用of+复数名词,如:数以百计的年轻人hundreds of young people;数以千计的书thousands of books。注意:hundreds of /thousands of/millions of +复数名词,其前面不能加具体的数词,但可加several或 many。
Hundreds of new buildings have sprung up here this year.
Thousands upon thousands of people in South Africa are rising against their oppressors.
Thousands and thousands of people come to visit the city every day.
Millions of dollars have gone into the building of this factory.
(二)序数词由基数词转变而来,表示这是第N个
1.口诀巧记基数词变序数词:一、二、三,特殊记,八去t,九去e,ve要用f替,见y变成i和e,词尾加上th,若是遇到几十几,只变个位就可以。第一、第二、第三分别:first,second,third,eighteighth nineninth,fivefifth,twelvetwelfth,twentytwentieth,fortyfortieth,twenty-fivetwenty-fifth。
2其余情况均在基数词后加th。如: sixsixth, nineteennineteenth , hundred hundredth, thousandthousandth等。
3.序数词有时用缩写形式:
first----1st, twentysecond-------22th.
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