About: http://webisa.webdatacommons.org/200891459

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	The authors cover basic points about the perfect, including the meaning of the third principal part, perfect tense personal endings, as well as the standard stem changes seen for each conjugation in the perfect tense.
http://www.w3.org/ns/prov#wasQuotedFrom	bmcreview.org