Your sentence
Je+ne+connais+personne.
Words in this sentence
ne
not (used alone to negate a verb, now chiefly with only a few particular verbs; see usage notes); not, no (used before a verb, with a coordinating negative element usually following; see usage notes); used in a subordinate clause before a subjunctive verb (especially when the main verb expresses doubt or fear) to provide extra overtones of doubt or uncertainty (but not negating its verb); the so-called "pleonastic" or "expletive" ne; in comparative clauses usually translated with the positive sense of the subsequent negative
Particle
connaître
to know (of), to be familiar with (a person, place, fact, event); to know, to experience (glory, hunger, problems etc.); to know (sexually); to be knowledgeable (en about); to hear or examine judicially; to judge or decide judicially
Verb