A1 English Grammar: Learn How to Use 'Have to' for Obligations — A1 English grammar lesson by Langcom

A1 English Grammar: Learn How to Use ‘Have to’ for Obligations

Raúl Maguiña

Gründer von Langcom | Prüfer für Cambridge- und SIELE-Prüfungen

September 23, 2026

A1✏️ Grammatik⏱️ 4 Minuten Lesezeit📅 Aktualisiert im September 2026
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Wir verwenden have to to talk about rules, obligations, or things that are necessary. It means something is required, like a chore, a school rule, or a work task. You cannot choose not to do it. For example, I have to go to school means school is mandatory for you. We use have to for most subjects (I, you, we, they) und has to for third person singular (he, she, it). To make negative sentences, we use don’t have to oder doesn’t have to, which means something is not necessary or not an obligation. For questions, we use Do you have to…? oder Does he have to…?.

What Does Have to Mean?

In English, we use have to when we talk about things that are necessary or obligatory. It means you must do something because of a rule, a law, or a situation.

Think of it as a responsibility or a task you cannot avoid.

  • It shows an external obligation. Someone or something (like a rule) makes you do it.
  • It is very common for daily routines, chores, and work or school duties.

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How Do We Form Sentences with Have to?

The form of have to changes a little depending on the subject.

  • Für I, You, We, They, wir verwenden have to.
  • Für He, She, It, wir verwenden has to.

After have to oder has to, we always use the base form of the verb (the infinitive without 'to').

How Do We Make Negative Sentences with Have to?

To say that something is NOT necessary or NOT an obligation, we use don't have to oder doesn't have to.

  • Für I, You, We, They, wir verwenden don't have to.
  • Für He, She, It, wir verwenden doesn't have to.

This means you have a choice; it's not compulsory.

How Do We Ask Questions with Have to?

To ask about obligations, we use Do oder Does am Anfang der Frage.

  • Für I, You, We, They, wir verwenden Do... have to...?
  • Für He, She, It, wir verwenden Does... have to...? (Remember, for he/she/it in questions, we use have to, nicht has to, because does already shows the third person singular.)
Conjugation of <span data-no-translation>Have to</span> (Present Simple)
Betreff Positive (+) Negative (-) Question (?)
I / You / We / They have to + verb don't have to + verb Do ... have to + verb?
He / She / It has to + verb doesn't have to + verb Does ... have to + verb?

Beispiele

  • I have to wash the dishes every day.
  • My dad has to go to work at 7 o'clock.
  • My friends have to do their homework in the afternoon.
  • You don't have to cook tonight. We can order pizza!
  • She doesn't have to wake up early on Saturdays.
  • Do you have to wear a uniform at school?
  • Does he have to finish the report today?

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Häufige Fehler bei Spanischsprechern

Common Mistakes with Have to

Spanish speakers sometimes make these mistakes:

  • Verwendung von must to statt have to: Im Englischen sagen wir I have to go, nicht I must to go. Denk daran, have to acts like a regular verb for negatives and questions.
  • Verwendung von have to für he/she/it: It's common to forget the 's'. Always say He has to, nicht He have to.
  • Forgetting do/does in questions and negatives: We don't say You not have to oder Have you to go? Instead, use You don't have to und Do you have to go?

Häufig gestellte Fragen

Is have to a modal verb?

While have to expresses obligation like modal verbs (must), it behaves more like a regular verb. It needs do/does for questions and negatives, unlike true modal verbs such as can oder should.

Was ist der Unterschied zwischen have to und must?

For A1 learners, the main difference is that have to usually shows an external obligation (a rule, a law, someone else's decision). Must often shows a strong personal feeling or an obligation from the speaker. For example, I have to wear a uniform (school rule) vs. I must study for the exam (my strong personal decision).

What is the past tense of have to?

The past tense of have to ist had to for all subjects. For example, Yesterday, I had to work late.

Why do we say has to für he/she/it?

Just like with the verb have, we add an '-s' or change the form for the third person singular in the present simple. So, he has wird zu he has to, following the same grammar rule.

Verwandte Lektionen

Über den Autor: Raúl Maguiña

Raúl Maguiña ist Leiter der Asociación Educativa Langcom, einem autorisierten Cambridge English-Vorbereitungszentrum in Ihr Land. Mit mehr als einem Jahrzehnt Erfahrung in der Sprachausbildung und der internationalen Zertifizierung hat er Tausenden von Schülern, Lehrern und Bildungseinrichtungen in 25 Ländern zu Cambridge-, IELTS-, TOEFL- und Michigan-Englischzertifikaten verholfen.

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