IELTS Grammar: be careful with the 's'

 Notice where we put the "s" on the end of a word and where we don't:

  • Thousands of people watched the show.
  • Fifty thousand people watched the show.
  • over a period of ten years
  • over a ten-year period
  • The fish weighed 5 kilos.
  • It was a five-kilo fish.
  • The boy is three years old.
  • He is a three-year-old boy.

No comments:

Post a Comment