| Type | Simple Past | Past Participle | Example |
|---|---|---|---|
| Weak | stem + te | ge + stem + t | machen → machte → gemacht |
| Strong | vowel changes, no -te | ge + (changed) stem + en | sprechen → sprach → gesprochen |
| Mixed | vowel changes + te | ge + (changed) stem + t | bringen → brachte → gebracht |