pp(a verb form)
I flew in... [DOC] [TLE] What is the difference between the past tense and the past participle ... [PAR] The word 'tense' is really a form of the Latin word 'tempus' ( time ) , and in 
grammar the term tense is used to indicate certain inflections of the verb, whose 
main... [DOC] [TLE] Past Participle | Definition of Past Participle by Merriam-Webster [PAR] grammar : the form of the verb that is used with have in perfect tenses and with 
be in passive constructions.