Using numbers.
Share on WhatsApp • Day, month, minute, mile, kilo, etc. are always SINGULAR when used (with a number) immediately before a noun: A six-minute wait. A ten-second silence. A five-mile race. My travel agent had arranged a 6-day coach tour. The company provides a three-month training course. Compare: 'We waited for thirty minutes.' 'We had a thirty-minute wait.' • When you say 100, 1000, etc. or write these numbers in words, Use… A hundred, A thousand (WITH a) The palace was built a thousand years ago. Compare: 'The palace was built 1000 years ago.' For emphasis or to be exact, it is possible to use one instead of a : I am one hundred percent against the idea. • After a/one/five/twelve etc. the words hundred, thousand, etc. are always SINGULAR and are not followed by of : Five hundred children are born in the city every day. More than three thousand people were there. Similarly, of is NOT used after 100, 250, 3000 etc. If yo...