Both verbs are almost always used in the imperfect rather than the perfect tense . The preterite endings -st, -en, -t, -en are appended to this stem. The imperfect tense is generally used for things that happened regularly or for descriptions in the past, especially in written German. The 1st … The main tense for the past in spoken German is the perfect tense. The conjugation of sein in the past tense is ich war, du warst, er war, wir waren, ihr wart, sie waren. The past tense (Präteritum) is mainly used in written German (e.g. In German, sein is important not just for its meaning, but it is also used as an auxiliary verb for other tenses. Imperfect forms of haben und sein The verbs sein (to be) and haben (to have) are irregular in all tenses. Learn how to conjugate sein in various tenses. newspapers, novels).However, there is a small number of verbs that are frequently used in the past tense in spoken German.These include the verbs haben and sein … Think of how often you use the phrase "I am" in English, and you'll get the idea. Even if you never wanted to quote Hamlet's famous soliloquy in German ("Sein oder nicht sein"), the verb sein is one of the first verbs you should learn and one of the most useful. Sein - Verb conjugation in German. As an irregular, strong verb with ablaut -a- the preterite stem war- is used. Imperfect of the verb sein. All rights reserved. The imperfect of weak verbs is formed using the same stem of the verb as for the present tense + these endings: -te , -test , -te , -ten , -tet , -ten . Support the free Verbix verb conjugation services © Verbix 1995-2020.