The phrase "possibly participated" is grammatically correct and can be used in written English.
You can use "possibly participated" when you want to express uncertainty or a possibility that someone took part in an activity or event. It is similar to saying "may have participated." Example: Based on the evidence, it is possible that John possibly participated in the robbery.
"There is a possibility, but it is not certain, that [the two gunmen] could have been helped … and we are currently conducting extensive search operations to identify the two or three terrorists who possibly participated in the operation," the prime minister, Habib Essid, said.
G-Rg5 and G-Rk1 triggered multiple cellular events, which possibly participated in NF-κB activation, however, this activation was dominantly inactivated by G-Rg5 or G-Rk1 binding to Annexin A2-WT in Annexin A2 over-expressed cancer cells.
He possibly participated in Basil's 873 campaign against Samosata.
On the above basis, we speculate that MTA1 possibly participated in the transcriptional regulation of secretory and endocytic genes within the epithelial cells.
Using this method, we identified one person who possibly participated in years 2005 and 2007.
The results demonstrated mechanosensitive channel TRPV1 is highly expressed at ST36 and possibly participated in acupuncture related analgesia.
More than 50 persons were identified as possibly participating in these feasts; the three patients were the only participants reported to have died of a degenerative neurologic disorder.
"They were talking at such a high level that we couldn't possibly participate," Dr. Bock said.
We have families and young players hoping to be able to watch games and one day possibly participate themselves.
"If the mayor-elect runs for a second term, no challenger who wants to run a credible campaign can possibly participate in the campaign finance system".
It claims it is "highly likely" that G4S staff would have been handed responsibility for carrying out similar tasks, which "makes it highly plausible it will be at least enabling and possibly participating in the force-feeding of detainees".
