Focus on Word-Building
I. Cardinal numerals are combined with nouns in the singular to form compound adjectives related to measurement, time, etc. In spelling such compounds usually have hyphens. They can describe:
Age: a five-year-old boy, a twelve-year-old building.
Area/volume: a three-acre plot, a two-litre car.
Duration: a twenty-minute walk, a four-hour meeting.
Length/depth (distance : a twelve-inch ruler, a two-metre corridor, a two-kilometre route.
Price: a fifty-dollar dress (a $50 dress .
Weight: a ten-stone man, a five-kilo bag of flour.
II. Ordinal numerals can also be used in compounds. Cf.:
a first-rate film
a second-hand car
a third-floor flat
a nineteenth-century novel
27 Paraphrase the following to get compound adjectives. Make up your own sentences with them.
1. A tunnel which is forty kilometres long.
2. A farm that has sixty hectares.
3. Ajourney that lasts three days.
4. A bag that weighs five kilos.
5. A man who is thirty-three years old.
6. A suit that costs ninety pounds.
7. A note for one hundred roubles.
8. A conference that lasts three days.
9. A fence that is ten miles long.
10. A walk that lasts fifteen minutes.