I contemplated telling him, but decided that perhaps I shouldn't.
She was shocked, she contemplated at me. I was frozen, I contemplated out of the window for a while.
The young boy contemplated not to eat his broccoli.
I contemplated over buying a unicycle or a penny farthing.
The new father contemplated the newborn on the other side of the glass, wondering how his life would be transformed by this new life.
I contemplated doing the project myself, but it would have taken too long.
He contemplated on breaking out of prison but the the high prison palisades hindered his thoughts of escape.
Since she had seriously contemplated the route she would take to the hospital if her parents ever got sick, she got her mother across town in less than 5 minutes.
You should contemplate the consequences of your actions.
The philosopher learned different forms of thinking from studying under Socrates.
"would have worked" is the verb phrase in the sentence. It shows a hypothetical situation in the past where the action of working all summer was contemplated but may not have actually occurred.
His forehead pursed in pensive thought, the young man contemplated life.
I would use it correctly in a sentence, of course. Thank you for asking.