Stem-changing verbs

1
Stem-changing verbs

• Present tense

2
Irregular verbs

• What irregular verbs to do you know?
• What makes them irregular?

3
Some definitions

• What is a verb stem?
• What is a vowel?
• What is a stem vowel?

4
Some verb change their stem vowels

• this happens in the du, er, sie, es forms only
• the only vowels that change their stems are e and
  a.
• e can change to ie or i
• a can change to ä
• the verbs that do this must be memorized

5
Verbs changing from e to i

• essen
• geben
• sprechen

6
Verbs changing from e to ie

• sehen
• lesen

7
Verbs changing from a to ä

• fahren
• schlafen
• laufen
• lassen
• gefallen