Do you remember how to use IMPERATIVE in English?
1. We can use the imperative to give a direct order:
Be quiet!, Tidy up!
2. to give instructions: Put your hands up!, Put on your shoes!
3. to make an invitation:
Come and sit down, have a piece of cake.
4. on signs and notices: Push and Pull
5. to give friendly informal advice: Take it easy and speak to him.