The phrase "a time when single" is not correct in standard written English.
It lacks clarity and should be rephrased for better understanding.
Example: "I remember a time when I was single and focused on my career."
Alternatives: "a period of being single" or "an era of being single".
What if a fling had ended in pregnancy at a time when single motherhood was frowned upon?
At a time when single women were starting careers in unprecedented numbers, the buildings offered a haven.
Never before had so many outlandish ideas as those of 1979 been so mass-consumed, and at a time when single sales were at a peak.
Judy was the daughter of Kentucky Governor Keen Johnson who raised Keen and his older brother Bob at a time when single mothers were a rarity.
Adoption records were sealed state by state starting in the 1940s during a time when single pregnancy and infertility were shrouded in shame and secrecy.
In her new book Learning Like A Girl: Educating Girls in Schools of Their Own, Diana recounts the trials and tribulations of beginning a school at a time when single sex schools were not entirely en vogue, "It was the first all girls in 30 years, and since [Archer opened]there's now 40 new ones".
The article comes at a time when single-sex education is on the rise.
As such, it is reasonable to expect that AID might be able to deaminate immediately after fertilisation during nucleoprotamine exchange, a time when single-stranded DNA would be accessible.
For years, the "season" in London roughly the months between Christmas and late spring were the traditional time when single people were brought together.
One of the new restrictions bewailed by Americans is the currency-control book: there was a time when a single Division sent home… Bomb damage to Munich architecture.
It was an era long before the brilliance of Lionel Messi and Cristiano Ronaldo, before tiki-taka and even the Galácticos, and a time when no single player or style of football ruled supreme.
