The phrase "age-old patterns" is correct and usable in written English.
It can be used to refer to long-established or traditional behaviors, practices, or trends that have persisted over time.
Example: "The age-old patterns of human behavior often influence our decisions in ways we may not even realize."
Alternatives: "time-honored traditions" or "long-standing habits".
In its basic organization, French agriculture continued its age-old patterns.
Scores of the machines have popped up across New York's dairy belt and in other states in recent years, changing age-old patterns of daily farm life and reinvigorating the allure of agriculture for a younger, tech-savvy — and manure-averse — generation.
"The images suggest that however chaotic or inscrutable modern life might appear," the gallery explains, "[his work] is tied to age-old patterns that guide in ways we don't immediately perceive, but which nevertheless guide us through our daily routines".
Life along the road continues an age-old pattern in its rhythms and simplicity.
It is the age-old pattern of war and peace and then war again.
Outstanding were the broken diamonds, taking an age-old pattern but shaking it into the 21st century.
We must try to do the same in Afghanistan and break the age-old pattern of internal weakness and foreign adventuring.
The latest fighting in the south, with its basis in a separate, age-old pattern of antagonism and conflict, has been amplified by the war's backwash.
Far from Trump emerging into a new phase of his presidency with the release of the Barr report, he has in fact lapsed into this age-old pattern.
The intervention in CAR may fit the age-old pattern of French interference in Africa but Hollande decided that he had little choice".
Conspiracy theories are a modern variant of an age-old pattern: explaining everything from the tragic to the mundane through elaborate webs of deception spun by "them .In "Conspiracy", Daniel Pipes takes a sober look at wacky theories.
