Unit 8.1

Ordinal numbers

Introduction

Ordinal numbers express numerical sequences, positioning elements in a list.

Form

Ordinal numbers are made by adding -th* to the cardinal numbers (1 – 10) except in some occassions marked:

  • 1st* – First
  • 2nd* – Second
  • 3rd* – Third
  • 4th – Fourth
  • 5th* – Fifth
  • 6th – Sixth
  • 7th – Seventh
  • 8th* – Eighth
  • 9th* – Ninth
  • 10th – Tenth

*The exceptions (also twelve = twelfth).

Example

  • It’s my second time in Sweden.
  • He was the first on the list.
  • Our house is the fourth on the left.

Use

We use ordinal numbers to show the position of something. They can be placed after the verb or working as a noun when they are only accompanied by the article ‘the’ with no noun after the ordinal number.

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