1 Adjective forms
When expressions of measurement, amount and quantity are used as adjectives, they are normally singular. 当度量单位,数量等被用作形容词时,通常用单数形式。如:
a ten-mile walk
a twenty-pound note
a thirty-year period
ten two-hour lessons
Possessives are often used in expressions of time.在时间的表述中,经常用所有格。
a weeks holiday
two hours delay
2 hundred, thousand, dozen, etc
Typical mistake: she had at least four hundreds of lovers.
When these words are used after a number or several, they do not have s and of is not used. 当这些词用在一个数字,或者several后面时,不要加s也不要用of. 如:
She had at least four hundred lovers.
It cost several thousand pounds.
In other cases, the plural form is hundreds, dozens ,etc. 在其他情况下,用复数形式,后面通常跟着of. 如:
Ive seen it hundreds of times.
But youve got dozens of dresses.
3 half
Typical mistakes:
Only half us could come.
I live half of a mile from here.
Give me the half.
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