*make (something) up*
Definition: to prepare something so that it is ready for someone to use it or have it.
(This phrasal verb has more than one meaning)
E.g.1: You can’t go to bed yet – I haven’t made the bed up.
E.g.2: He made some beds up in the lounge so that his friends could spend the night in his house.
This phrasal verb can be separated. (E.g. 1 & 2)