Questions & Answers about Stavi jastuk na krevet, molim te.
Stavi is the singular imperative form of staviti, which means to put / to place.
So Stavi jastuk na krevet means Put the pillow on the bed when speaking to one person informally.
A useful comparison:
- stavi = put it / place it (command to one person)
- stavite = command to more than one person or to one person formally
Because this is a command, Croatian does not need to say the subject you explicitly.
This is about aspect, which is very important in Croatian.
- staviti is perfective
- stavljati is imperfective
The imperative stavi usually tells someone to do a single, completed action: Put the pillow on the bed.
The form stavljaj would sound more like:
- keep putting
- be putting
- put repeatedly / habitually
In this sentence, the speaker wants one finished result, so stavi is the natural choice.