What is the correct conjugation of "sein" in the present tense?
The correct conjugation of "sein" in the present tense is: ich bin (I am), du bist (you are, singular informal), er/sie/es ist (he/she/it is), wir sind (we are), ihr seid (you are, plural informal), sie/Sie sind (they/you are, formal).
What are the past tense forms of "sein" in German?
The past tense forms of "sein" in German are "war" (singular) and "waren" (plural) for the simple past, and the past participle form is "gewesen".
How do the subjunctive forms of "sein" differ in usage and structure?
Subjunctive forms of "sein" differ in usage mainly in expressing wishes, possibilities, or hypothetical situations. Structurally, the Konjunktiv I (e.g., "ich sei") is used for indirect speech, while Konjunktiv II (e.g., "ich wäre") is used for unreal conditions or polite requests.
How do you conjugate "sein" in the future tense?
To conjugate "sein" in the future tense in German, you use the auxiliary verb "werden" followed by "sein". The conjugation is: ich werde sein, du wirst sein, er/sie/es wird sein, wir werden sein, ihr werdet sein, sie/Sie werden sein.
How can you use the imperative forms of "sein" in instructions or commands?
In instructions or commands, use the imperative forms of "sein" by addressing someone directly, such as "Sei ruhig!" (Be quiet!) for singular informal, "Seid ruhig!" for plural informal, and "Seien Sie ruhig!" for formal singular and plural. These express direct orders or requests.