The Subjunctive I (Konjunktiv I) is almost always used in the 3rd person singular; we form this by removing the final -n from the infinitive. The verb sein is unique in the Subjunctive I: ich sei, du sei(e)st, er sei, wir seien, ihr sei(e)t, sie seien. Example: Er sagte, sie seien im Kino.
We use the Konjunktiv I primarily for indirect speech, for example: Mein Bruder sagt, er komme später. (My brother says that he is coming later.)
Konjunktiv I is used for the 2nd and 3rd person singular and 2nd person plural, the Konjunktiv II for the 1st person singular and the 1st and 3rd person plural to avoid confusion. We can also use the Konjunktiv II to express a wish or desire, to make conditional sentences or to make special, polite phrases.
Lesson Summary Konjunktiv II in the past tense is built with haben or sein in Konjunktiv II present + Partizip II, Futur I is built with the verb würde in Konjunktiv II + infinitive, and Future II is made with verb würde in Konjunktiv II + participle II + haben or sein in infinitive.
Konjunktiv I is used to indicate reported speech (when you are telling someone what somebody else has said).
Subjunctive I is used chiefly for reporting indirect speech and old-fashioned commands. Subjunctive II is used to talk about hypothetical situations, express doubt over an idea or talk about things that are not certain.
Konjunktiv I is used for the 2nd and 3rd person singular and 2nd person plural, the Konjunktiv II for the 1st person singular and the 1st and 3rd person plural to avoid confusion. We can also use the Konjunktiv II to express a wish or desire, to make conditional sentences or to make special, polite phrases.
The German Konjunktiv II is the verb form that we use for polite requests, wishes, suggestions, theories and hypothetical situations. We conjugate modal verbs in the Subjunctive II by adding the subjunctive endings to the simple past stem and adding an umlaut.