Seninle gidememem üzücüdür. - It is regrettable that I can't go with you.
Seninle gidememem üzücüdür.
It is regrettable that I can't go with you.
Üzücü olsa da, bu doğrudur. - That, while regrettable, is true.
Üzücü olsa da, bu doğrudur.
That, while regrettable, is true.
It was regrettable that the teacher made the class retake the test when he was wrong about the answers.