Stem-Changing Verbs in German

Overview

Just when you have mastered the regular verb pattern, German throws a curveball: stem-changing verbs. These are verbs that follow the regular endings but change their stem vowel in the du and er/sie/es forms. This is an important A1 topic because many of the most common German verbs are stem-changers.

There are three main vowel change patterns: e → i (as in sprechen → sprichst), e → ie (as in lesen → liest), and a → ä (as in fahren → fährst). The change only happens in the second and third person singular — all other forms are completely regular. This means you only need to watch out for du and er/sie/es.

These vowel changes cannot be predicted from the infinitive alone; you need to learn which verbs change and what the new vowel is. However, with practice, the most common ones become second nature very quickly.

How It Works

Pattern 1: e → i

Pronoun	sprechen (to speak)	geben (to give)	helfen (to help)
ich	spreche	gebe	helfe
du	sprichst	gibst	hilfst
er/sie/es	spricht	gibt	hilft
wir	sprechen	geben	helfen
ihr	sprecht	gebt	helft
sie/Sie	sprechen	geben	helfen

Pattern 2: e → ie

Pronoun	lesen (to read)	sehen (to see)
ich	lese	sehe
du	liest	siehst
er/sie/es	liest	sieht
wir	lesen	sehen
ihr	lest	seht
sie/Sie	lesen	sehen

Pattern 3: a → ä

Pronoun	fahren (to drive)	schlafen (to sleep)	tragen (to carry/wear)
ich	fahre	schlafe	trage
du	fährst	schläfst	trägst
er/sie/es	fährt	schläft	trägt
wir	fahren	schlafen	tragen
ihr	fahrt	schlaft	tragt
sie/Sie	fahren	schlafen	tragen

Common stem-changing verbs to memorize:

e → i	e → ie	a → ä
sprechen, geben, helfen, treffen, essen, nehmen	lesen, sehen, empfehlen, stehlen	fahren, schlafen, tragen, fallen, laufen, waschen

Examples in Context

German	English	Note
Er spricht Deutsch.	He speaks German.	e → i
Sie liest ein Buch.	She reads a book.	e → ie
Er fährt nach Hause.	He drives home.	a → ä
Du gibst mir das Buch.	You give me the book.	e → i
Sie sieht den Film.	She watches the movie.	e → ie
Er schläft noch.	He is still sleeping.	a → ä
Du nimmst den Bus.	You take the bus.	e → i (irregular: nehmen)
Isst du gern Fisch?	Do you like eating fish?	e → i (essen)
Er trägt eine Brille.	He wears glasses.	a → ä
Du hilfst mir immer.	You always help me.	e → i

Common Mistakes

Applying the vowel change to all forms

• Wrong: Wir sprichen Deutsch.
• Right: Wir sprechen Deutsch.
• Why: The vowel change only affects du and er/sie/es. All other forms use the original stem vowel.

Forgetting the change in the du/er forms

• Wrong: Er sprecht gut Deutsch.
• Right: Er spricht gut Deutsch.
• Why: With stem-changing verbs, you must apply the vowel change in the 2nd and 3rd person singular. It is not optional.

Changing the vowel in the imperative incorrectly

• Wrong: Fähr langsam! (du-form imperative)
• Right: Fahr langsam!
• Why: The a → ä change does NOT apply in the imperative. However, e → i/ie changes DO apply: Lies das Buch! (Read the book!).

Practice Tips

1. Group by pattern: Make three lists (e→i, e→ie, a→ä) and add each new stem-changing verb you encounter to the correct list. Review them weekly.
2. Third-person narration: Describe what someone else does using stem-changing verbs: "Mein Freund fährt zur Arbeit. Er liest die Zeitung. Er isst ein Brötchen."
3. Flashcards with the changed form: On one side write the infinitive, on the other write the er/sie/es form. This drills the change directly.

Related Concepts

• Parent: Regular Verbs (Present) — the regular pattern these verbs deviate from