The phrase "ago believe" is not correct and not usable in written English.
It appears to be a combination of two separate words that do not function together in a meaningful way.
Example: "I believed in the project long ago."
Alternatives: "once thought" or "previously believed".
Significantly, 17% of CEOs – more than twice as many as a year ago – believe global economic growth will decline.
Parsis, descendants of Iranian followers of the ancient Zoroastrian religion who fled to India centuries ago, believe exposing corpses to scavenging birds and the sun ensures the sacred elements of earth, fire and water are saved from pollution by decaying flesh.
Thirty years ago, believe it or not, you would have hoped so much that such a pop group, raiding the future as much as the past with a certain alluring melancholy and a buoyant fatigue, and an exacting, apprehensive understanding of the nature of music as a mating dance, would slip through the side door onto Top of the Pops, where all pop music had to be.
It really wasn't so long ago, believe it or not, that Uber was everybody's darling except for regulators and taxi cartels — and, presumably, employees who were reluctant to risk the consequences of speaking up against its toxic culture.
In our own country, fewer Americans today, compared to 30 years ago, believe it is essential to live in a democracy, and surveys show a startling number of young people at home and abroad are open to authoritarian forms of government.
"Four years ago, believe it or not, the biggest issue was the war in Iraq.
Twelve years ago, believing that God called him to Jacksonville, Mr. Weems founded the evangelical, nondenominational Celebration Church.
Four years ago, believing ETA was serious about peace during a previous ceasefire, he publicly declared his optimism.
Waldemar Hille joined the Communist Party 48 years ago believing that the movement would create a more compassionate and humane America.
A giant whooping crane or two, which was not so long ago believed to be virtually extinct.
Who twenty years ago believed that green building would become not a good deed but an industry standard?
