"is participating" is a correct and usable part of a sentence in written English. It is the present progressive tense form of the verb "participate" and is used to describe an action that is happening in the present moment. Example: Sarah is participating in the school's dance competition tonight.
Sonneborn is participating.
Not a single international agency is participating".
Mr. McCain is participating in the system.
Who is Participating in Open Yale Courses?
While the MDC is participating in parliament, it remains wary.
Ebenezer Baptist is participating in the New Baptist Covenant.
And part of that is participating in elections".
"The US government is participating in those discussions," Kirby said.
Her company is participating in both, as is Ms. Chen's.
Lodwick, 33, is participating in his fifth Olympics.
Because he is participating in a clinical trial, his medicine is free.
Ludwig does not simply clarify my doubts with English writing, it enlightens my writing with new possibilities
Simone Ivan Conte
Software Engineer at Adobe, UK