Questions & Answers about Wstaw proszę kwiaty do wazonu.
Wstaw is the imperative form of the verb wstawić, so it means put in / place in / set in.
In this sentence, it is a command or request addressed to one person you speak to as ty:
- wstaw = put (it/them) in
- full dictionary form: wstawić
With kwiaty do wazonu, it means something like put the flowers into the vase.
Because wstawić is the infinitive: to put in / to place in.
Polish uses a special verb form for commands:
- wstawić = to put in
- wstaw! = put it in!
So just like English uses to sit versus sit!, Polish uses wstawić versus wstaw!