The phrase "a pattern that started" is correct and usable in written English.
It can be used when discussing the beginning of a recurring theme, behavior, or trend in various contexts, such as research, analysis, or storytelling.
Example: "The study revealed a pattern that started in the early 2000s, indicating a significant shift in consumer behavior."
Alternatives: "a trend that began" or "a phenomenon that emerged".
Carbon-dioxide levels have been monitored at the observatory ever since, and they've exhibited a pattern that started out as terrifying and may be now described as terrifyingly predictable.
Most of that change is Trump gaining in the polls, a pattern that started before the FBI news last Friday.
This is usually not just a pattern that started with their marriage, it has been a pattern that preceded in their dating life.
The recent troubling resignation of CENTCOM Commander and Bush appointee Admiral William Fallon confirms a pattern that started to emerge even before the Iraq war began five years ago: President Bush is all for letting the military commanders, and not the politicians, make the call in Iraq - but only as long as they agree with President Bush.
Participants who reported a pattern that started and ended in the same year were assigned 1 year of consumption.
It is a day born of a pattern that starts back in kindergarten.
Such losses seem to follow a pattern that starts with the inactivation of a gene (pseudogenization) by single-nucleotide mutations, and continues with a rapid reduction in length until the original gene is completely eroded [ 29, 32].
This is all part of an encouraging pattern that started in February with the announcement of a ceasefire in an intractable war that has killed more than 60,000 people in the past 19 years.The ceasefire is holding, more or less.
Silver's breakdown is still valid as long as it is under the $15 resistance level that formed the bottom of the wedge pattern that started one year ago.
Human rights violations against journalists by the ISI often follow a familiar pattern that starts with threatening phone calls and escalates into abductions, torture and other ill-treatment, and in some cases killings.
The puffer train is another pattern that starts out fairly simple, although the 'cooler' ones have a lot of cells involved.
