In the "Hammer" grammar book, the indirect speech form for „Sie wissen es“ is "Er sagte, sie wüssten es".

But when I type in "He said they knew it" on Google Translate, I get "Er sagte sie wusste es" instead.

And when I type the same on Deepl, I get "Er sagte, sie wussten es."

So which of these three sentences is the correct translation?

Er sagte, sie wüssten es.

Er sagte sie wusste es.

Er sagte, sie wussten es.

Thank you.

  • 1
    Google Translate really gives you that? You might want to double check.
    – cruthers
    Sep 7, 2023 at 22:07

2 Answers 2


Let us start with the basics: reported speech has to be in Konjunktiv. For instance:

Er sagt: "Ich gehe."
Er sagt, er gehe.

Notice that the Indikativ praesens is translated into an Konjunktiv praesens here. For the Praeteritum things get more complicated. We have to differentiate between the main sentence being in Praeteritum or the speech itself - or even both. Praeteritum in speech becomes Perfekt in reported speech:

Er sagte: "Ich gehe." - Er sagte, er gehe.
Er sagt: "Ich ging." - Er sagt, er sei gegangen.
Er sagte: "Ich ging." - Er sagte, er sei gegangen.

That was the basic part. Now things become somewhat tricky: one could swap out the Konjunktiv Praesens for the Konjunktiv Praeteritum:

Er sagt: "Ich gehe." - Er sagte, er ginge.

This is implying one of two things: either there is some condition to him going ("Er sagt, er ginge, wenn ...", he says he'd leave if ...) or the one reporting the speech has doubts about the truth of what was said. Here is a classical example from Schillers play "Wallenstein":

Mir meldet er aus Linz, er läge krank
He messages me from Linz he'd be ill

Would Wallenstein (the speaker) believe him he'd have said:

Mir meldet er aus Linz, er liege krank

But in fact he doesn't believe that for a moment. He continues, addressing Octavio Piccolomini:

Mir meldet er aus Linz, er läge krank;
Doch hab ich sich're Nachricht, daß er sich
Zu Frauenberg versteckt beim Grafen Gallas.
Nimm beide fest und schick' sie mir hierher.
He sends me word from Linz that he lies sick;
But I have sure intelligence that he
Secretes himself at Frauenberg with Gallas.
Secure them both, and send them to me hither.
(Translation by S. T. Coleridge from Project Gutenberg)

Wallenstein knows he is lying, but he trusts his intelligence about him being at Gallas' house.

This implication of doubt or prior conditions can also be done in Präteritum:

Er sagt: "Ich ging."
Er sagt, er sei gegangen. (I have no reason to doubt that.)
Er sagt, er wäre gegangen. (Allegedly, but I don't believe that really.)
Er sagt, er wäre gegangen. (He would have done so, would the conditions have been met, but - that is also implied - they weren't.)

Now we enter a really tricky area: if a Konjunktiv isn't noticeably being a Konjunktiv, which can happen with Konjunktiv Praesens, it is possible to use Konjunktiv Praeteritum instead. For instance, Goethe (quoted in the Sanders):

Da er hörte, daß ich viel zeichnete und [...].

Here "zeichne" would be korrekt but wouldn't be recognizable as Konjunktiv, which is why "zeichnete" - rightfully - stands in.


For reported speech in German you need to distinguish between common practice and 100% "correct" grammar.

100% correct grammar requires Konjunktiv 1 for the verb form. That means that the "correct" translation is only the first of your examples. In written text and "higher register" speech you will only see that.

Day-to-day usage, however, might differ. You might encounter simple past in quite some situations in spoken language.

Google's translation, however is wrong - "they" is clearly 3rd person plural, Google seems to assume 3rd person singular. But that might be due to an overall confusion with pronouns these days ;) .

  • Thank you. But the first sentence is in Konjunktiv 2. The way I understand is that if the Konkuntiv 1 Präsens is similar to Indikativ Präsens, one has to use Konjunktiv 2? For example, in the below sentence, "müsste" is used because the Konjunktiv 1 looks the same as Indikativ Präsens for plural, yes? Hence we use Konjunktiv 2? "Deutschland als Autostandort nicht mehr wettbewerbsfähig? Diese Kritik weist der Vizekanzler zurück. Die Politik helfe, deutlich mehr müsste von den Herstellern kommen." Sep 5, 2023 at 14:50
  • And any chance someone could remove the downvote on this question by adding an upvote to nullify the effect? Sep 5, 2023 at 14:52
  • 2
    Google translation overall is very good, but it still can't be entirely trusted and there are certain areas where it's less reliable than others. Sometimes the answer to "Why does Google translate say ... ?" is "You'll have to ask the folks at Google."
    – RDBury
    Sep 5, 2023 at 17:55
  • I wonder if you consider Schiller of "lower register", since - see my example - he didn't follow your "only Konjunktiv 1"-verdict.
    – bakunin
    Sep 7, 2023 at 12:26
  • @bakunin He didn't have a Duden to look that up, so is excused ;)
    – tofro
    Sep 7, 2023 at 15:52

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