| kto | who | |
| co | what | |
| czyj | whose | |
| który | which | |
| jaki | what a | |
| kiedy | when | |
| gdzie | where | |
| dokąd | where, whither | |
| jak | how | |
| dlaczego | why |
In questions that do not contain any of these question words, the particle “czy” can be used:
Czy idziesz do sklepu ?
Are you going to the store?