The past participle (Partizip II)

 

The past participle (Partizip II)  of irregular verbs is formed with the prefix ge-, the present perfect stem and the ending -en.

 

infinitive past participle (Partizip II)
lesen ge-les-en
fahren ge-fahr-en
bitten ge-bet-en
gehen ge-gang-en
treffen ge-troff-en