Practice: Er + Indefinite Subject

Use er is for a singular or uncountable indefinite subject and er zijn for a plural one. In questions, the verb moves before er.

Verbs of position and movement — staan, liggen, zitten, hangen, lopen, wonen, werken, komen — also use er when their subject is indefinite.

With an indefinite subject always use geen: Er is geen tijd. With a definite subject the noun phrase moves to the front, er becomes a place word, and negation uses niet.