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Czech grammar · A1

Subordinate Clauses

A Czech subordinate clause is always separated from the main clause by a comma, and the comma is compulsory in a way English commas are not. The clause keeps ordinary word order: the conjunction comes first and everything else follows as it would in a plain sentence.

  • Myslím, že má pravdu.

    I think he's right.

  • Nevím, kde to je.

    I don't know where it is.

01

že - that

introduces a reported statement, thought or hope. Unlike English that, it can never be left out.

  • Věřím, že Země je kulatá.

    I believe the Earth is round.

  • Doufám, že se brzy budete cítit lépe.

    I hope you'll feel better soon.

02

když - when

covers when and, with a future verb, shades into if. For a future event Czech prefers , which is purely temporal and never conditional.

  • Když se učím, jsem unavená.

    When I study, I get tired.

  • Až dorazím, pošlu ti pohlednici.

    When I arrive, I'll send you a postcard.

03

The Future Appears Twice

Where English puts a present tense after when or until, Czech puts a future. If the event has not happened yet, the verb says so, in both halves of the sentence.

  • Až letadlo přistane, vzbudím tě.

    When the plane lands, I'll wake you.

04

dokud - until

This one has a trap. After meaning until, the verb is negative, though nothing is being denied. The negative is simply part of the construction and has no English counterpart.

  • Musím jezdit na kole, dokud si nekoupím auto.

    I have to cycle until I buy a car.

  • Nemůžu řídit, dokud nezískám průkaz.

    I can't drive until I get a licence.

05

protože and i když

gives the reason; concedes a point.

  • Potřebuji auto, protože musím dojíždět.

    I need a car because I have to commute.

  • Nemůžu si koupit auto, i když mám peníze.

    I can't buy a car even though I have money.

06

Where the Clause Stands

A subordinate clause may follow the main clause or precede it. Coming first, it is still marked off by a comma, and the main clause then begins immediately after.

  • Když se zeptáš, dostaneš odpověď.

    If you ask, you'll get an answer.

  • Jestli budeš chtít, půjdeme.

    If you want, we will go.

07

The Comma Is Not Optional

English decides commas by feel; Czech decides them by grammar. Every subordinate clause is fenced off with one, and a clause in the middle of a sentence takes a comma at both ends.

  • Volám, abych vám oznámila, že dnes nepřijdu.

    I'm calling to tell you I won't come today.

08

Indirect Questions

A question inside another sentence keeps its question word and its ordinary word order, and takes a comma. There is no change of tense of the English backshift kind.

  • Nevím, kam jsem je dala.

    I don't know where I put them.

In the course

Sentences from Lingora’s Czech course

34 of the course's 500 sentences use this, the first in lesson 65. A few of them, with the words “Subordinate Clauses” is about in bold:

  • Jsi vtipná. Myslím, že jsi vtipná.

    You are funny. I think you are funny.

    Lesson 169

  • Musím jezdit na kole, dokud si nekoupím nové auto.

    I have to ride my bike until I get a new car.

    Lesson 301

  • Můj první dojem je, že je velmi inteligentní.

    My first impression is that she is very smart.

    Lesson 333

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