Perfect Tense: Irregular Participles
Extend the Perfekt you learned at A1 to the strong verbs: participles that end in -en and change their vowel, plus the rules for separable verbs and the verbs that take no ge- at all.
The pattern you know — and the verbs that break it
At A1 you built the Perfekt with haben or sein plus a participle of the shape ge...t: gemacht, gekauft, gearbeitet. That pattern covers the regular ("weak") verbs. Many of the most common German verbs, however, are irregular ("strong"): their participle ends in -en, and the vowel inside the word often changes. So lesen becomes gelesen, schreiben becomes geschrieben, nehmen becomes genommen and gehen becomes gegangen.
Everything else about the Perfekt stays exactly as you learned it. The helper verb still sits in second position, the participle still goes to the end of the sentence, and the choice between haben and sein follows the A1 rule: verbs of movement or change of state take sein, almost everything else takes haben.
Because these verbs are so frequent — take, go, read, write, eat, drink — you cannot talk about your day in the past without them. This lesson gives you the forms and a few patterns that make them easier to remember.
Ich habe das Buch gelesen.
I have read the book.
Sie hat einen Brief geschrieben.
She wrote a letter.
Wir sind zum Bahnhof gegangen.
We walked to the station.
gehen is a verb of movement, so the helper is sein — exactly as at A1.
Er hat den Bus genommen.
He took the bus.
Strong participles worth learning by heart
There is no rule that predicts the vowel change, so the participle has to be learned together with the verb. The good news: the changes come in small families, and seeing the families makes the forms stick. Verbs with ei often go to ie: schreiben → geschrieben, bleiben → geblieben. Verbs with i often go to u: trinken → getrunken, finden → gefunden. Verbs with e often go to o: sprechen → gesprochen, nehmen → genommen, treffen → getroffen.
A few high-frequency verbs simply keep their vowel: sehen → gesehen, essen → gegessen (with an extra g inside), schlafen → geschlafen, fahren → gefahren. Note that fahren, like gehen, takes sein.
When you learn a new verb from now on, learn three things at once: the infinitive, the participle and the helper verb. "trinken, hat getrunken" takes two seconds to say and saves you from guessing later.
Wir haben Kaffee getrunken.
We drank coffee.
Ich habe meinen Schlüssel gefunden.
I found my key.
Sie ist nach Hamburg gefahren.
She drove to Hamburg.
fahren describes movement, so the helper is sein.
Hast du den Film gesehen?
Did you see the film?
Separable verbs and the verbs with no ge-
You know separable verbs like einkaufen and anrufen from A1. In the Perfekt, the ge- slips inside the verb, between the prefix and the stem: einkaufen → eingekauft, anrufen → angerufen, aufstehen → aufgestanden. Written as one word, spoken with the stress on the prefix.
Two groups of verbs take no ge- at all. First, verbs with the inseparable prefixes be-, ver- and er- (also ent-, emp- and zer-): besuchen → besucht, bezahlen → bezahlt, verstehen → verstanden, verlieren → verloren. Second, verbs ending in -ieren: telefonieren → telefoniert, passieren → passiert, studieren → studiert.
A useful memory hook: ge- only attaches where the spoken stress falls on the first syllable of the verb. In besuchen and telefonieren the stress falls later, so there is no room for ge- at the front.
Ich habe am Samstag eingekauft.
I did the shopping on Saturday.
The ge- sits between the prefix ein- and the stem.
Er hat seine Mutter angerufen.
He called his mother.
Wir haben unsere Nachbarn besucht.
We visited our neighbours.
No ge- after the inseparable prefix be-.
Was ist passiert?
What happened?
An -ieren verb: no ge-. passieren takes sein.
Talking about your weekend
Monday-morning small talk in Germany runs on exactly these participles. Was hast du am Wochenende gemacht? The answer is a chain of Perfekt sentences, and most of the verbs in it are strong: slept, eaten, gone out, seen, met.
Combine the participles with the time expressions you already have — am Wochenende, gestern, am Sonntag, abends — and remember the A1 word-order habit: time before place. Ich bin am Samstag ins Kino gegangen, not the other way around.
Practise by narrating your own last weekend out loud, one sentence per activity. Say the helper and the participle clearly, and let the participle land at the end of the sentence every single time. The rhythm of "habe ... gemacht, bin ... gegangen" is the sound of everyday German.
Am Sonntag habe ich lange geschlafen.
On Sunday I slept for a long time.
Wir haben im Restaurant gegessen.
We ate at a restaurant.
Abends sind wir ins Kino gegangen.
In the evening we went to the cinema.
Check yourself
Quick checks on this lesson. Get at least three quarters right to mark it as completed.
What is the participle of nehmen?