Questions & Answers about La ludpecoj staras sur la ludtabulo.
Because -j marks the plural in Esperanto.
- ludpeco = game piece
- ludpecoj = game pieces
In this sentence, there is more than one game piece, so -j is needed.
The ending -as shows the present tense.
So:
- staras = stands / are standing
Esperanto verbs do not change for person or number, so the same form is used with singular and plural subjects:
- la ludpeco staras = the game piece stands
- la ludpecoj staras = the game pieces stand / are standing