The phrase "have retrieved" is correct and can be used in written English.
Here is an example: "I have retrieved the documents from the filing cabinet."
The family must have retrieved it.
Charles Carlucci, the foreman told about weapons they have retrieved.
In 27 reported cases, investigators have retrieved the bottle or a water sample for testing.
Investigators have retrieved two data recorders, one from the front of the wreck and the other from the back.
"I have lost some recent memory but I have retrieved older memories," Mr. Patrizzi said during an interview.
The police have retrieved eight of the guns, but have appealed for help to track down the rest.
In Panj Kot, villagers have retrieved beams from their houses, and rigged up shelters with the metal roofs.
"Maybe," Jefter said when asked if he could have retrieved it in time to record the out.
A team of curators have retrieved some treasures from the stores of the Centre Pompidou, Paris, the Museum für Moderne Kunst (MMK) in Frankfurt and Tate.
What we have retrieved by way of the data and poring over the events and any additional information has roughly been stable over the last 24 hours.
A friend of mine learned to recognize it by asking waiters to let him smell any corked bottles they may have retrieved that day.
