Perfect

Formation of the past participle (Partizip II)

The past participle (Partizip II) of regular verbs is formed with the prefix "ge", the verb stem and the ending "t". An easier way is the addition of the prefix "ge" to the 3rd person singular present.

The formula is :

ge + 3rd person singular present = past participle (Partizip II)

Examples
spielen	ge	+	spielt	gespielt
machen			macht	gemacht
lachen			lacht	gelacht
kochen			kocht	gekocht
arbeiten			arbeitet	gearbeitet

infinitive	prefix ge	+	3rd person singular present	past participle (Partizip II)