have just been vs have been just

Some examples from the web:

• The towels have just been washed.
• Two officers have just been shot.
• I have just been with Miss Delaine.
• I have just been briefed, that the end of our country is imminent.
• Excuse me, I have just been shot.
• I have just been humiliated in front of the whole college.
• Amnesty International announced today that four political prisoners have just been released in Cuba.
• I have just been in contact with the Russians and the EU.
• These trees, Lloyd, have just been cut down.
• Things have just been a little strange around here lately.
• Mrs. Bardach, it could have just been a one-time thing.
• The good times have just been delayed for a while.
• It may have just been a warning to my father.
• I have just been advised of Cmdr Data's highly unusual project.
• I have just been recounting your astonishing adventure.
• It would have just been me and the ride-along with the sanitation department.
• There have just been a lot of secrets here lately.
• I mean, she must have just been so upset and hurt...
• Photo and his current GPS location have just been uploaded.
• I think my guy may have just been made.

Some examples from the web:

• Well, it's all a blur, but it must have been just before 5:00, because I... do my insulin shot regularly at that time, and I had to hurry in order to... do it.
• The ultramodern ships of the Japanese fleet have been just delivered by Vickers, directly of England.
• You must have been just a baby when you started having your babies.
• Things have been just fine without Pippi Longdivision.
• That last one might have been just a friend.
• It must have been just after midnight.
• It must have been just after midnight.
• Back then he would have been just muscle.
• Otherwise Clare would have been just another unsolved.
• Lesser vehicles would have been just stumped by that.
• These robberies have been just terrible.
• But the last three days have been just perfect for us.
• The burdens have been just too much for her.
• Ludovica accommodations have been just built in Positano centre in a splendid panoramic position.
• I think they might have been just joking.
• She always claimed to have been just another one of his victims.
• Could have been just a bad calving.
• It must have been just past 4:00.
• Leah would have been just fine.