Lesson: The Verb "sein" (To Be)

Lesson Overview

The verb sein means "to be" in English and is one of the most irregular and essential verbs in the German language. You'll use it constantly in beginner-level German conversations and writing.

Why "sein" is Important

The verb sein is used to express:

  • Identity: Ich bin Tom. (I am Tom.)
  • Profession: Er ist Lehrer. (He is a teacher.)
  • States/Conditions: Wir sind müde. (We are tired.)
  • Origin: Sie sind aus Deutschland. (They are from Germany.)

The Conjugation Table

Pronoun Form Example
ich (I) bin Ich bin Anna.
du (you - informal) bist Du bist müde.
er/sie/es (he/she/it) ist Er ist mein Freund.
wir (we) sind Wir sind aus England.
ihr (you - plural informal) seid Ihr seid jung.
sie/Sie (they/you - formal) sind Sie sind glücklich.

Exercise Sets Available

Below are all the exercise sets for this lesson. Click the links to access the exercises. Each set focuses on specific aspects of "sein" conjugation and usage.

Exercise Set: Conjugation sein - Basic

URL: Link to the exercise

Unit 1: Conjugation sein - Basic Sentences

What you should do:

In this unit, you are given sentences with a blank space where the verb "sein" should be. Your task is to:

  1. Read the sentence and identify the subject pronoun (ich, du, er, sie, es, wir, ihr, sie/Sie)
  2. Look at the conjugation table provided in the lesson to find the correct form of "sein" for that pronoun
  3. Type the correct form in the blank space
  4. Check your answer - if wrong, use the hint to understand and try again

Example Task: "Ich [input] Tom." You should write: "bin"

Hints Available: Yes - Each task provides a specific hint directing you to look at the correct pronoun row in the table

Learning Goal: Recognize each pronoun form and automatically recall the matching form of "sein"

Access Unit 1

Tips for Success with This Lesson

  • Memorize First: Don't rely on hints too early. Try to memorize the six forms: bin, bist, ist, sind, seid, sind
  • Pronounce Aloud: Say each conjugated form out loud several times. This helps cement the pronunciation patterns
  • Create Flashcards: Write each pronoun with its corresponding "sein" form on a flashcard and review them regularly
  • Practice Daily: Spend 5-10 minutes daily with these exercises rather than one long session
  • Use in Sentences: After completing the exercises, try creating your own sentences using each form of "sein"

Next Steps

After mastering the verb "sein," progress to Lesson 10: The Verb "haben", which teaches another essential irregular verb that functions similarly but with different meanings.