get the run of (some place)
To be provided the ability and space move freely around an entire area. After being cramped in an apartment for years, our dog loves getting the run of the big back yard at our new house.
give (someone or something) the run of (some place)
To allow a person or animal to move freely around an entire area. Now that the fence is up, we can finally give our dog the run of the back yard. Jeff and Haley give their kids the run of the house and it shows—there are toys in every room.
have the run of (some place)
To be able move freely around an entire area. After being cramped in an apartment for years, our dog loves having the run of the big back yard at our new house.