_Er_ as the unstressed form of _daar_ (there).
With this type of _er_ we express location but in an unstressed form. This corresponds to English _there_ in e.g. "I'll see you (there) tomorrow".
Examples
[FF](#/lesson/WordOrder.04) | [EHD](#/lesson/WordOrder.09) | [TIME](#/lesson/WordOrder.13) | [MANNER](#/lesson/WordOrder.13) | [OV](#/lesson/WordOrder.24)
Het heeft | er | gisteren | heel hard | geregend
Yesterday, it was raining very hard there.
[FF](#/lesson/WordOrder.04) | [EHD](#/lesson/WordOrder.09) | [MANNER](#/lesson/WordOrder.13) | [PLACE](#/lesson/WordOrder.15) | [OV](#/lesson/WordOrder.24)
Zij hebben | er | zes jaar lang | op school | gezeten
They went to school there for six years.
[FF](#/lesson/WordOrder.04) | [EHD](#/lesson/WordOrder.09) | [TIME](#/lesson/WordOrder.13) | [DIROB](#/lesson/WordOrder.16) | [OV](#/lesson/WordOrder.24)
Hij heeft | er | vandaag | niemand | gezien
He has not seen anyone there today.