number unite adjective

  1. Please give me a two hour leave

  2. Please give me two hours leave

    Providing that those are correct, Could you tell me when/ in which situation you would rather use one over the other?

    Meanwhile, would you tell me if I have well rephrased number 1?

    a two hour(long) leave

Answer

When you form adjectives from numbers there are two factors to bear in mind:

  1. Number adjectives are always hyphenated:

two-hour leave

three-mile hike

five-year-old child

  1. Unlike in other languages, English adjectives are never pluralized. By way of contrast, in Spanish the adjective ciego blind (person), can be made plural ciegos blind (people). Not so in English – so much so that even the counted element in a numerical adjective takes a singular form:

two hours ➝ two-hour

three miles ➝ three-mile

five years old ➝ five-year-old

Attribution
Source : Link , Question Author : nima , Answer Author : CocoPop

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