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Modal verbs are a separate category from regular or irregular verbs. Rather than describing an action directly, they modify one — expressing the attitude or circumstance around it. Ich schwimme is a plain statement. Ich kann schwimmen tells you something about ability. Ich muss schwimmen tells you about obligation. The swimming itself, represented by the infinitive, stays unchanged.

This two-verb structure — modal in position 2, infinitive at the end — applies consistently across all modal verbs and all subjects. Learning it once means it works everywhere.

German has six core modal verbs plus möchten, which is technically a subjunctive form of mögen but functions as its own independent verb at A1 level. Each has a distinct meaning and its own conjugation, though they all share the same irregular pattern in the singular.

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The 7 Modal Verbs

Each modal covers a specific range of meaning. Getting these right matters — using wollen when you meant möchten, for instance, sounds considerably more blunt than you probably intended.

können can / to be able to

Ability or possibility. Used when something is within your capability, or when something is permitted by circumstance.

Ich kann Deutsch sprechen.
(I can speak German.)
müssen must / to have to

Obligation or necessity — something that has to happen, either by external requirement or inner compulsion.

Du musst schlafen.
(You must sleep.)
wollen to want

A strong, concrete desire or intention. Direct and assertive in tone — not polite enough for requests to strangers or service staff.

Wir wollen Pizza essen.
(We want to eat pizza.)
möchten would like

A polite wish or request. The go-to form when ordering, asking for something, or expressing a preference in a social situation.

Ich möchte einen Kaffee.
(I would like a coffee.)
dürfen may / to be allowed to

Permission granted — or withheld. Used for rules, regulations, and what is or is not allowed in a given context.

Hier darf man nicht rauchen.
(Smoking is not allowed here.)
sollen should / ought to

An obligation or instruction coming from someone else — a doctor's advice, a teacher's instruction, a social expectation.

Der Arzt sagt, ich soll mehr trinken.
(The doctor says I should drink more.)
mögen to like

A general liking for a person, thing, or concept — not a wish or request. Used without an infinitive at A1; möchten handles the "wanting" role.

Ich mag Hunde.
(I like dogs.)
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Word Order — The Verb Bracket

When a modal verb pairs with an action verb, German places them at opposite ends of the sentence. The modal is conjugated and sits in position 2, just like any finite verb. The action verb stays in its infinitive form and moves to the very end. Everything else — the object, time, place — fills the middle.

Linguists call this the Satzklammer (sentence bracket): the two verbs act as opening and closing brackets around the rest of the sentence content.

Sentence structure — Satzklammer

Subject Ich
Modal — Position 2 muss
Other information heute das Auto
Infinitive — End waschen.

Ich muss heute das Auto waschen. — I have to wash the car today.

In a question, the modal moves to position 1 and the subject follows it — but the infinitive stays at the end exactly as before:
Kannst du mir morgen helfen? — Can you help me tomorrow?

One exception: mögen at A1 is typically used to express a general liking (Ich mag Hunde) without a paired infinitive. It works as a standalone verb rather than a true modal construction at this level.
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Conjugation

Modal verbs are irregular in the present tense, but they follow a consistent internal logic. The singular forms (ich, du, er/sie/es) use a modified stem — usually with a different vowel from the infinitive. The plural forms (wir, ihr, sie/Sie) revert to the infinitive stem and behave like regular verbs.

Two quirks are worth noting. First, ich and er/sie/es are identical — modal verbs take no ending in those slots. Second, möchten breaks this rule: its ich and er/sie/es forms end in -e and -e respectively, reflecting its origin as a subjunctive form.

Pronoun können müssen wollen möchten dürfen sollen mögen
ich kann muss will möchte darf soll mag
du kannst musst willst möchtest darfst sollst magst
er / sie / es kann muss will möchte darf soll mag
wir können müssen wollen möchten dürfen sollen mögen
ihr könnt müsst wollt möchtet dürft sollt mögt
sie / Sie können müssen wollen möchten dürfen sollen mögen
The highlighted rows: Red cells show the irregular singular stems — notice how können becomes kann, müssen becomes muss, and so on. Purple cells with matching shading show where ich and er/sie/es are identical — a pattern shared by all modal verbs.
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wollen, möchten & mögen

These three verbs all orbit around liking and wanting, and the differences between them matter more in German than the direct English translations suggest. Using the wrong one is noticeable to native speakers — particularly in a café or restaurant.

General liking mögen to like (in general)

Expresses a stable preference or liking for something as a concept. Not a wish or request — simply how you feel about something.

Ich mag Kaffee.
(I like coffee — as a thing in general.)

Ich mag diesen Film.
(I like this film.)
Polite request möchten would like

A polite desire in the present moment — the standard form for ordering food or drink, making requests, and expressing wishes in social contexts.

Ich möchte einen Kaffee.
(I would like a coffee — right now, please.)

Wir möchten zahlen.
(We would like the bill.)
Strong intention wollen to want

Direct and assertive — closer to "I want" than "I would like." Perfectly natural with friends or in casual settings, but blunt in service contexts.

Ich will Kaffee!
(I want coffee! — direct, can sound impatient.)

Wir wollen nach Berlin fahren.
(We want to go to Berlin.)
Practical rule: When ordering or making requests in shops, cafés, or with people you do not know well, use möchten. Reserve wollen for plans and intentions among people you are comfortable with. Mögen is for expressing what you like as a general truth, not for requests.

Quick Practice

Fill in the correct modal verb form, then press Check Answers.

Fill in the modal verb

Each sentence needs the conjugated form of the modal shown in brackets. Pay attention to the subject and which singular stem applies.

  1. 1 Ich gut schwimmen. (können)
    ich form — modal verbs take no ending. Singular stem of können is kön- → kann.
  2. 2 Du jetzt schlafen. (müssen)
    du form — takes -st. Singular stem of müssen is muss-.
  3. 3 Er einen Tee bestellen. (möchten)
    er/sie/es form of möchten — unlike other modals, this ends in -e (not null).
  4. 4 Wir hier parken. (dürfen)
    wir form — plural forms revert to the infinitive stem and take -en.
  5. 5 Der Arzt sagt, sie (she) mehr Wasser trinken. (sollen)
    er/sie/es form — no ending. Sollen keeps the same stem in singular: soll.

Study Tips

Three things worth knowing before you start drilling the conjugation tables.

  • 1 Learn ich and er/sie/es together as one fact. They are always identical for modal verbs. Writing kann — kann — kann or muss — muss — muss is not a shortcut; it is literally how these verbs work. That halves the number of singular forms to memorise.
  • 2 Practise the bracket structure with sentences you actually want to say. Ich kann Deutsch sprechen is a useful sentence that also happens to drill the structure. Ich muss heute lernen is realistic exam preparation. The more genuine the sentence, the better it sticks.
  • 3 Default to möchten in social situations. Until the distinction between wollen and möchten feels natural, using möchten for requests is never wrong. It is always polite. Wollen is something you can introduce gradually once you have a feel for the register difference.