This is the 130th most frequent Estonian word.
tuleks
"Should" or "would come."
'Tuleks' here suggests a necessary action given the situation.
Eile tuli mulle meelde, et homme tuleb külalisi, nii et tuleks koristada.
Yesterday I remembered that guests are coming tomorrow, so it would be advisable to clean.
'Tuleks' here is used to indicate a suggestion or recommendation.
Kui tahad eksamiks hästi valmistuda, siis tuleks iga päev õppida.
If you want to prepare well for the exam, you should study every day.
'Tuleks' here is used in a conditional form to express a potential action.