"chased for years" is correct and usable in written English.
It can be used to describe a situation in which someone is persistently pursuing something for a long period of time. For example, "Rita had been chasing her dream of becoming a professional athlete for years before she achieved her goal."
And then there are the potato launchers, which Mr. Chao made with PVC pipe, and are an obsession he chased for years.
As dozens of relatives and friends of the many victims of Mr. Kee's long rampage wept outside the courtroom, they said the definitive verdict had brought them something they had chased for years -- finality.
Reformers are akin to the dog that finally caught the car it chased for years: Now that we have it, what do we do?
Several weeks later the girl I had been chasing for years confided to me her woes over a less than successful visit from a boyfriend; I confided to her my woes, and she said, "We should get married".
The only thing new about the "new" philanthropy is that an older and stronger beast that's been chasing for years after the riches it can smell in the non-profit world has finally caught up to its prey and begun feasting.
We're on the trail of a white whale I've been chasing for years.
She also lost 30 pounds and discovered that other healthy habits she had been chasing for years were finally sticking.
On a balmy Tuesday night in Tokyo, I was back on my bullshit, on a mission to find out if Japan held the secrets I've been chasing for years.
TAMPA, Fla .-- Poised at last to claim the prize he's been chasing for years, Mitt Romney barreled into his convention city Tuesday as Republicans worked to showcase him at the Republican National Convention as a man who understands everyday Americans and a leader who can fix the economy.
His Harvard teammate Sam Wollner, whom he doggedly chased for two years in the distance lane, was not surprised.
Chased for so many years, the Patriots were turned into chasers in January.
