The phrase "about five years back" is correct and usable in written English.
It can be used when referring to a time period that is approximately five years in the past.
Example: "I remember visiting that city about five years back, and it has changed so much since then."
Alternatives: "around five years ago" or "approximately five years prior".
About five years back I came into contact with a procurement head who, I thought, was guilty of micromanaging.
Those who quit before they turn 35 can gain most if not all of that decade back, and even those who wait until middle age to kick the habit can add about five years back to their life expectancies.
About five years back, I was crawling in Brisbane traffic behind one of the city's ubiquitous white utility vehicles on my way to an anonymous city centre office to sit my Australian citizenship test.
The big shifts primarily started about five years back when some pioneers of the performance management (PM) revolution said goodbye to what came to be called the "traditional" way to manage performance.
About five years back, I did some research on middle school and high school math and science education and interviewed a number of teachers and parents at various high schools throughout the Bay Area, deriving direct, experiential feedback from the field.
We did this about ten years back, with exactly that phrase.
When I began writing seriously, which was about three years back, I went through a period of fantastic good luck, where it seemed I only had to open a book to find material.
About three years back, Gemma took me to the places she used to go on holiday when she was a little kid, and she had all these happy memories.
8. School grades from 20 years ago - For that matter, anything more than about ten years back in your history can be removed from your resume.
Inside the camp, on the brow of the escarpment, is a hollow place, in which lies a mass of stone known as the "Bambury Stone". A landslip on the north side of this camp took place about sixty years back, which disclosed a quantity of charred cornº that had been stored in a cavity, probably for the use of the occupiers of the camp.
Just like his portfolio company, Storvisor, is virtualizing storage, VeloCloud is virtualizing the network, says Kolluri. "When I first joined NEA about eight years back, there weren't a lot of interesting things happening in the security and networking area," he says.
