Sunday, February 22, 2009

Cardinal and Ordinal Numbers

This Real English video models the American pronunciation of cardinal numbers 1 - 15 and 10 - 100 (counting by by tens). Then you will hear some ordinal numbers from 1st (first) to 31st (thirty-first).

AT, ON, IN: Prepositions of Time

We use at for clock time:
  • at 11:00 a.m.
  • at 2:30
  • at noon (or midnight)
We use on for days and dates:
  • on Monday
  • on Mondays (=every Monday)
  • on February 23rd
We use in for longer periods of time:
  • in March
  • in 2004
  • in the 21st century
Watch this RebeccaESL video for a review of these prepositions of time: