State which of the italisized units are phraseological units and which are free word combinations. Give proof of your answer

1) Simon presents his story in a typically heroic manner, so I have to read between the lines. 2) The prisoners read the hidden messages made in milk ink between the lines of the books. 3) She was acutely aware that she had burnt her bridges. 4) When the French sieged the castle, its people burnt their bridges. 5) The new factory will give the local economy a real shot in the arm. 6) You might say that I really needed this shot in the arm. 7) We knew that it wouldn’t just go away if we swept it under the carpet. 8) He swept all the dirt under the carpet. 9) The CEO took the dealership to the cleaners at the meeting. 10) The mother took the fur coat to the cleaner’s. 11) He was never more than a B-movie actor, playing second fiddle to actors like Errol Flynn. 12) He used to play the second fiddle in the local symphony orchestra. 13) Man cloning for transplant purposes is on our doorstep. 14) He stood on the doorstep, straightening his tie.