be prolonged

See: endure, last
References in classic literature ?
I did this, as I must have felt then, at some personal risk of a supernatural kind, for my studies were apt to be prolonged into the night after the rest of the family had gone to bed, and a certain ghost, which I had every reason to fear, might very well have visited the small room given me to write in.
As a rule, I never asked him if it were convenient for him or not to follow me in my travels; but this time the expedition in question might be prolonged, and the enterprise might be hazardous in pursuit of an animal capable of sinking a frigate as easily as a nutshell.
In this year of grace, 1860, I am close on eighty years of age, and though we have been a long-lived race, the span of life cannot be prolonged beyond reasonable bounds.
I want my life to be prolonged and I want life-sustaining treatment to be provided or continued unless I am in a coma that my attending physician believes to be irreversible.