"De schapen drinken water."
Translation:The sheep drink water.
if in the word are 2 the same vowels (fe. aa) , and after these vowels are 2 consonants (like in the word PAARD) then in the plural are 2 vowels (PAARDEN). but if in the word are 2 the same vowels and after these vowels is only the one consonant (like in the word SCHAAP), then in the plural is only the one vowel (SCHAPEN)