The word prolonging is waiting for something (either physical or mental) but is usually longer than normal. However, you more commonly find 'prolong' or 'prolonged' in a sentence, such as:
Prolonging the Magic was created on 1998-10-06.
A degreaser specifically designed for bike chains is the best cleaning solution to use for maintaining and prolonging the life of your bike chain. It effectively removes dirt and grime without damaging the chain.
Japan would not surrender prolonging on the war
to stay hard
elixirs
i do not know how to use embalming in a sentence. (there is the sentence)
So- you are asking when to use 'when' in a sentence. When you are asking how to use when in a question, you are already using when in a sentence, because a question actually is a sentence. I like to use when in a sentence whenever I like.
How do you use sedition in a sentence
use contingency in a sentence?
use adainty as sentence
use aver in a sentence
Can you use abstemious in a sentence?