Modal verbs are one of the most important building blocks of German grammar. They do not describe actions by themselves — instead, they modify another verb to express ability, obligation, desire, permission, or recommendation. In German, the modal verb is conjugated and placed in position 2, while the main verb stays in its infinitive form at the end of the sentence.
This lesson covers all six German modal verbs with full conjugation tables, meaning distinctions, and hundreds of practice exercises across 49 units.
Modal verbs always follow this pattern:
Subject → Modal Verb (conjugated, position 2) → Object → Main Verb (infinitive, end)
Modal verbs are irregular. The ich and er/sie/es forms are identical, and most verbs change their stem vowel:
| Pronoun | können | müssen | wollen | mögen | sollen | dürfen |
|---|---|---|---|---|---|---|
| ich | kann | muss | will | mag | soll | darf |
| du | kannst | musst | willst | magst | sollst | darfst |
| er/sie/es | kann | muss | will | mag | soll | darf |
| wir | können | müssen | wollen | mögen | sollen | dürfen |
| ihr | könnt | müsst | wollt | mögt | sollt | dürft |
| sie/Sie | können | müssen | wollen | mögen | sollen | dürfen |
Nine units covering können across a wide range of contexts — from basic word order through professional skills, sports, academic abilities, and languages. Können is the first modal verb to master because it appears in everyday conversation constantly.
4 tasks introducing the core modal verb sentence structure. Place kann/kannst/können in position 2 and the main verb as an infinitive at the end:
Example: "Ich kann Deutsch sprechen." (I can speak German.)
6 tasks about personal abilities. Practice all pronouns using everyday verbs like kochen, tanzen, schwimmen, lesen.
6 tasks applying können to routine actions — describing what you and others can do day-to-day.
8 tasks each. Unit 4 consolidates all present-tense forms; Unit 5 focuses on sports verbs (laufen, klettern, Ski fahren, reiten).
8 tasks each on workplace and talent contexts — programming, designing, teaching, playing instruments.
8 tasks each. Unit 8 covers academic abilities (analysieren, präsentieren, recherchieren). Unit 9 focuses on language skills — "Ich kann Englisch sprechen" — essential for describing language learners.
Seven units covering müssen — the modal verb for things that must happen due to rules, necessity, or responsibility. Key distinction: müssen comes from an internal or factual necessity, whereas sollen comes from an external instruction.
2 tasks establishing the pattern: modal in position 2, infinitive at the end.
Example: "Du musst Hausaufgaben machen." (You must do homework.)
8 tasks drilling all six pronoun forms of müssen with varied infinitives.
8 tasks each. Contexts include morning routines, meals, tidying up, and household responsibilities — high-frequency real-world sentences.
8 tasks each on professional obligations and scheduling. Practice sentences like "Ich muss um 8 Uhr im Büro sein."
8 tasks focused on general rules and required behaviors in school, public life, and formal contexts.
Seven units covering wollen — expressing what someone wants to do. Unlike mögen (liking), wollen expresses active intention and future-oriented desire.
8 tasks drilling all forms. Note the stem change: wollen → will (ich/er/sie/es).
Example: "Ich will ins Kino gehen." (I want to go to the cinema.)
8 tasks each covering everyday desires and free-time wishes — eating out, watching films, playing sports, meeting friends.
8 tasks expressing longer-term intentions: career goals, travel plans, life decisions.
Example: "Sie will Ärztin werden." (She wants to become a doctor.)
8 tasks each contrasting wollen with preference contexts and expressing more personal hopes.
2 sentence-rearrangement tasks to consolidate the modal verb position rule with wollen.
Seven units covering mögen — expressing that you like something or someone. Mögen is unique: it is commonly used without a second verb ("Ich mag Pizza"), unlike the other modal verbs. When used with an infinitive, it expresses mild preference.
8 tasks on all forms. Note the stem change: mögen → mag (ich/er/sie/es).
Example: "Ich mag Schokolade essen." (I like to eat chocolate.)
8 tasks using mögen with food vocabulary — ideal for building real-life conversational fluency around meals and preferences.
8 tasks expressing preferences for colors, objects, and everyday items.
8 tasks with nature vocabulary — expressing what animals or natural environments you like.
8 tasks expressing liking for people — friends, family members, teachers, colleagues.
8 tasks using mögen with hobby verbs — lesen, malen, wandern, kochen, tanzen.
2 sentence-arrangement tasks to reinforce the structure with mögen.
Six units covering sollen — expressing that someone is expected or instructed to do something by another person. Key distinction from müssen: sollen expresses external obligation (a parent, boss, or teacher wants you to), while müssen expresses internal or factual necessity.
8 tasks on all pronoun forms. Sollen does not change its stem vowel:
Example: "Ich soll meine Hausaufgaben machen." (I should do my homework — my teacher said so.)
8 tasks with workplace instructions and assigned duties — what an employer or manager expects.
8 tasks from the school environment — rules set by teachers, tasks assigned by parents about studying.
8 tasks about being told to call, write, or respond — "Du sollst Maria anrufen." (You should call Maria.)
8 tasks each. Unit 5 covers doctor and health instructions; Unit 6 covers social norms and behavioral expectations in everyday German life.
Six units covering dürfen — expressing what is or is not allowed. In the negative (darf nicht), it becomes a strong prohibition: "You are not allowed to / You must not."
8 tasks establishing all pronoun forms. Stem change: dürfen → darf (ich/er/sie/es):
Example: "Ich darf ins Kino gehen." (I may go to the cinema — I have permission.)
8 tasks about classroom and school rules — what students are and are not allowed to do.
8 tasks about family rules and household permissions — curfews, screen time, responsibilities.
8 tasks about rules in public spaces — parks, restaurants, museums, public transport.
8 tasks about what is permitted at certain ages in Germany — driving, voting, drinking, working.
8 tasks on darf nicht — the "must not / not allowed to" form. Critical distinction from muss nicht (don't have to):
Du darfst nicht rauchen. → You must not smoke. (It is forbidden.)
Du musst nicht rauchen. → You don't have to smoke. (It's not required.)
Seven units that combine all six modal verbs. This set tests whether you can choose the correct modal verb for a given meaning — the most important skill for real communication in German.
8 tasks each in everyday contexts where you must select between können, müssen, wollen, sollen, dürfen based on meaning.
Example decision: "I want to go" → wollen; "I must go" → müssen; "I may go" → dürfen
8 tasks distinguishing between permission (dürfen), obligation (müssen/sollen), and prohibition (darf nicht) in rule-based contexts.
8 tasks choosing between wollen (active desire), mögen (general liking), and other modals in preference contexts.
8 tasks contrasting können (ability) and müssen (need/obligation) — commonly confused by learners.
8 tasks with nuanced, multi-clause contexts requiring careful modal verb selection across all six verbs.
3 sentence-arrangement tasks using mixed modal verbs to consolidate the entire lesson's word-order rules.
German speakers use modal verbs in virtually every conversation. Being unable to express ability, obligation, or permission makes it impossible to navigate daily life — asking for things, explaining what you must do, or understanding rules and signs.
Confusing these is one of the most common German learner errors and can lead to serious miscommunication. "Du musst nicht" means you are free not to; "Du darfst nicht" means it is forbidden. This lesson gives you dedicated exercises to internalize the difference.
Unlike regular verbs, modal verbs have the same form for ich and er/sie/es. Once you notice this pattern, the conjugation table becomes much easier to memorize across all six verbs.
Modal verbs interact with subordinate clauses, the Konjunktiv II (subjunctive), and the perfect tense (Ersatzinfinitiv). Mastering them at this stage makes all those advanced structures far more approachable.
After completing this lesson, you will have a solid command of all six German modal verbs in the present tense. From here, the natural progression is to explore how modal verbs behave in the Konjunktiv II (könnte, müsste, würde wollen) for polite and hypothetical speech — and how they form the perfect tense using the Ersatzinfinitiv construction.