Level A1
There are four cases in Icelandic. The fourth case in the declension table is known as the “genitive case”.[a] It shows that the word belongs to something.
The helper word you use to force a word into the fourth case is „til“ (“to”).

Things that cause the fourth case

The following prepositions always cause the fourth case:
  • til (to)
  • vegna (because of)
  • án (without)
  • að sakna (to miss someone)
  • að njóta (to enjoy)
It also appears in sentences showing ownership such as:
  • Þetta er köttur Gunnars. (This is the cat of Gunnar)