С: ) turn into passive(страдательный залог): 1. a physician is listening to my heart and lungs. 2. people play football in all parts of the worlds. 3. we have just discussed this problem. заранее : )

1. A physician is listening to my heart and lungs. - My heart and lungs are being listened by a physician.
2. People play football in all parts of the world. - Football is played in all parts of the world.
3. We have just discussed this problem. - This problem has just been discussed.