Modal Verbs
Explicação
Imagine saying five things about the same situation: "I can leave", "I have to leave", "I want to leave", "I should leave", "I may not leave." In German, each uses a different modal verb — but they all share one structure: the modal goes in position 2, and the main verb flies to the end of the sentence as an infinitive. That's the big secret.
The 6 Essential Modal Verbs
Rule: The modal verb takes position 2 (conjugated), and the main verb goes to the end of the sentence as an infinitive.
| Verb | Core meaning | Example | Translation |
|---|---|---|---|
| können | can / to be able to | Ich kann Deutsch sprechen. | I can speak German. |
| müssen | must / have to (inner necessity) | Du musst jetzt lernen. | You have to study now. |
| wollen | want to (own intention) | Er will Arzt werden. | He wants to become a doctor. |
| sollen | should / supposed to (someone else's wish) | Du sollst hier warten. | You're supposed to wait here. |
| dürfen | may / to be allowed to | Hier darf man nicht rauchen. | Smoking is not allowed here. |
| möchten | would like to (polite wish) | Ich möchte einen Kaffee. | I'd like a coffee. |
Full Conjugation of All 6 Modals
Key pattern: the ich and er/sie/es forms are identical — no -t ending in the 3rd person!
| können | müssen | wollen | sollen | dürfen | möchten | |
|---|---|---|---|---|---|---|
| ich | kann | muss | will | soll | darf | möchte |
| du | kannst | musst | willst | sollst | darfst | möchtest |
| er/sie/es | kann | muss | will | soll | darf | möchte |
| wir | können | müssen | wollen | sollen | dürfen | möchten |
| ihr | könnt | müsst | wollt | sollt | dürft | möchtet |
| sie/Sie | können | müssen | wollen | sollen | dürfen | möchten |
Sentence Structure with Modals
| Position 1 | Position 2 (modal) | Middle | End (infinitive) |
|---|---|---|---|
| Ich | kann | gut | schwimmen. |
| Du | musst | heute | arbeiten. |
| Er | will | nach Berlin | fahren. |
| Wir | möchten | einen Tisch | reservieren. |
| Hier | darf | man nicht | rauchen. |
Each Modal in Real Context
können — ability and possibility ▼
"Kannst du mir helfen? Ich kann dieses Wort nicht verstehen."
(Can you help me? I can't understand this word.) — ability → können ✓
"In diesem Restaurant kann man sehr gut essen."
(You can eat very well at this restaurant.) — general possibility → kann man ✓
müssen — obligation and necessity ▼
"Ich muss morgen früh aufstehen — mein Zug fährt um 6 Uhr ab."
(I have to get up early tomorrow — my train leaves at 6.) — practical necessity → müssen ✓
"Du musst das nicht erklären — ich habe alles verstanden."
(You don't need to explain — I understood everything.) — musst nicht = don't have to (NOT forbidden!)
wollen — own intention and desire ▼
"Sie will Ärztin werden — seit sie fünf Jahre alt ist."
(She wants to become a doctor — since she was five.) — firm personal intention → wollen ✓
sollen — obligation from someone else ▼
"Der Chef sagt, ich soll den Bericht bis Freitag fertig haben."
(The boss says I'm supposed to have the report done by Friday.) — someone else's order → sollen ✓
dürfen — permission (and prohibition) ▼
"Darf ich kurz Ihr Telefon benutzen? Meins ist leer."
(May I use your phone for a moment? Mine is dead.) — requesting permission → dürfen ✓
"Hier darf man nicht parken — das kostet 50 Euro."
(Parking is not allowed here — it costs 50 euros.) — prohibition → darf nicht ✓
möchten — polite wish / would like ▼
"Ich möchte einen Cappuccino und ein Stück Kuchen, bitte."
(I'd like a cappuccino and a piece of cake, please.) — standard café/restaurant ordering → möchten ✓
⚠️ COMMON MISTAKES
❌ "Er musst lernen."
✓ "Er muss lernen."
Modal verbs: 3rd person (er/sie/es) = same as 1st person (ich). No -t ending. "er muss", "er kann", "er will" — never "er musst".
❌ "müssen nicht" = prohibition (like English "must not")
✓ "müssen nicht" = don't have to / "dürfen nicht" = are not allowed to
The most dangerous false friend among the modals. "Du musst nicht kommen" = you don't have to come (but you can). "Du darfst nicht kommen" = you're not allowed to come. Confusing these causes serious misunderstandings.
❌ "Ich kann sprechen Deutsch."
✓ "Ich kann Deutsch sprechen."
The infinitive goes to the END of the sentence — always. Modal in position 2, infinitive at the end.
❌ "Ich will einen Kaffee." (when ordering at a café)
✓ "Ich möchte einen Kaffee."
"Ich will" is grammatically correct but sounds blunt/childish in a service setting. "Ich möchte" is the polite standard. Think: "I want" vs "I would like."
🧠 REMEMBER:
Structure: [Subject] + [MODAL conjugated] + ... + [infinitive at the END]
ich = er/sie/es in modals — no -t in 3rd person.
The confusing trio:
• können = can (ability) → "Ich kann schwimmen"
• dürfen = may (permission) → "Darf ich...?"
• möchten = would like (polite) → "Ich möchte..."
müssen nicht ≠ prohibition → use dürfen nicht to forbid.
Exemplos
Ich kann gut schwimmen.
I can swim well.
Du musst heute lernen.
You must study today.
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