Einige meiner Freunde benutzen das anstelle von dass im Nebensatz, wie zum Beispiel:

Ich wusste es, das du einen Topf voller Gold versteckt hast.

Ist es ein Dialekt oder Hochdeutsch?

  • 4
    I think this in on the level of people in English confusing they're, their, and there. In my German class we did a work sheet where we had to fix Mann and man, seid and seit and das and dass, so I think it's just a typo.
    – thekeyofgb
    Commented Jan 20, 2014 at 2:13

1 Answer 1


In fact, this is a very important grammar rule. It does not have anything to do with dialect or Hochdeutsch. It is an important rule.

Ich denke, dass dies sehr wichtig ist.

Here you HAVE to use "dass" with two s because here a conjunction is used to connect those two sentence parts.

Das Kind, das sehr klein ist, spielt.
Das Kind, welches sehr klein ist, spielt.

Here you use "das" with one s because here you need an article referring to the child (Kind).

Remember this important rule:

Everytime you are looking for the correct "das(s)" to use ask yourself whether you could replace it with "welches". If that is not possible, you have to use "dass".

DONT: Ich denke, welches dies sehr wichtig ist.

DO: Ich denke, dass dies sehr wichtig ist.

More on this topic here.

  • Why would you consider a rule that only affects spelling important?
    – Carsten S
    Commented Jan 20, 2014 at 18:32
  • In spelling, yes.
    – Jan
    Commented Jun 11, 2016 at 10:14

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