The phrase "alone participated" is not correct and does not convey a clear meaning in written English.
It may be intended to express that someone participated without anyone else, but the phrasing is awkward and unclear.
Example: "She alone participated in the event, while others chose to stay home."
Alternatives: "solely participated" or "only participated".
Most of the world has never seen a computer, let alone participated in the global information and communication networks that leaders in business, health and education now rely upon.
In an outpouring of grief and defiance, the following day an estimated 11 million Spaniards, including some 2.3 million in Madrid alone, participated in demonstrations against the violence and in support of the victims.
Iowa's most famous millennial, Taylor Gipple, is a twenty-two-year-old Des Moines native and recent college graduate who, as of the start of this year, had never voted in an election, let alone participated in the ethanol-and-circuses spectacle of his home state's caucuses.
Indeed, Ángel Acebes, the country's interior minister, claimed, "There is no doubt ETA is responsible". In an outpouring of grief and defiance, the following day an estimated 11 million Spaniards, including some 2.3 million in Madrid alone, participated in demonstrations against the violence and in support of the victims.
But I had never been to a Mardi Gras, let alone participated in one of its parades, and my elation stemming from the news could not be contained.
As a consequence, many workers who should have received an intervention were never offered one, let alone participated in one.
Bloggers and posters are bound by confidentiality, while few agencies appear willing to admit that they condone, let alone participate in, the practice.
But hey, nobody thought a 14-year-old would actually run, let alone land himself on the ballot, let alone participate — and hold his own — against his adult competitors in several candidate forums.
Additionally, several associations were identified that potentially affect PA in this population; specifically, participants who are older than 65, recently postoperative, less optimistic about postoperative outcomes and who live alone participate in less PA.
It may well be cheaper to replace the five color tank every time, but is that the kind of wasteful behavior you want to encourage, let alone participate in?
Or to walk properly, let alone participate in sports.
