Verb conjugation is a method of changing verbs from their infinitive forms. The changes, usually done through endings and auxiliary words, express grammatical categories related to the action or state being described, such as person, number, tense, aspect and mode. Verbs are divided into a number of classes according to their form of conjugation and may be assigned model patterns to help to create the correct forms.
There are simple verb forms (e.g. ich mache, ich machte) and compound verb forms that use an auxiliary verb (e.g. ich habe gemacht, ich werde machen).
There are 6 tenses in German in total. Two of them are simple: the present simple (Präsens) and the past simple (Präteritum). The other four tenses are compound, i.e. they combine an auxiliary verb and the infinitive or the past participle form of the main verb carrying the meaning. The compound tenses include the future simple (Futur I), the present perfect (Perfekt), the past perfect (Plusquamperfekt) and the future perfect (Futur II).
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Present simple – Präsens
ich
mustere
du
musterst
er/sie/es
mustert
wir
mustern
ihr
mustert
sie/Sie
mustern
Past simple – Präteritum
ich
musterte
du
mustertest
er/sie/es
musterte
wir
musterten
ihr
mustertet
sie/Sie
musterten
Present perfect – Perfekt
ich
habe gemustert
du
hast gemustert
er/sie/es
hat gemustert
wir
haben gemustert
ihr
habt gemustert
sie/Sie
haben gemustert
Past perfect – Plusquamperfekt
ich
hatte gemustert
du
hattest gemustert
er/sie/es
hatte gemustert
wir
hatten gemustert
ihr
hattet gemustert
sie/Sie
hatten gemustert
Future simple – Futur I
ich
werde mustern
du
wirst mustern
er/sie/es
wird mustern
wir
werden mustern
ihr
werdet mustern
sie/Sie
werden mustern
Future perfect – Futur II
ich
werde gemustert haben
du
wirst gemustert haben
er/sie/es
wird gemustert haben
wir
werden gemustert haben
ihr
werdet gemustert haben
sie/Sie
werden gemustert haben
Subjunctive of verb of the regular verb [mustern]
The subjunctive (from the late Latin modus coniunctivus, translated as a form of sentence structure, derived from the Latin verb coniungere – to join).
The subjunctive is a special verb form that usually expresses that the action is conditional or hypothetical.
It expresses possible, probable, hypothetical, desired, dreaded or necessary actions (thus indicating the speaker’s attitude toward the action). It is a form used to express something imagined that may never happen. In particular, it marks the utterance as subjective, doubtful or uncertain.
In German, there is the subjunctive I and the subjunctive II.
The subjunctive I includes the present subjunctive (e.g. er sei, er habe), the future subjunctive and the perfect subjunctive.
The subjunctive I usually expresses someone else’s opinion, often unlikely from the speaker’s point of view (present indicative: Er sagt, dass niemand zu Hause ist. – He says that no one is at home. X present subjunctive: Er sagt, dass niemand zu Hause sei. – He says that (supposedly) no one is at home.).
The subjunctive II includes the past subjunctive (er wäre, er hätte) and the past perfect subjunctive.
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Subjunctive I: Present – Konjunktiv I
ich
mustere
du
musterst
er/sie/es
mustere
wir
mustern
ihr
mustert
sie/Sie
mustern
Subjunctive I: Present perfect – Konjunktiv I
ich
habe gemustert
du
habest gemustert
er/sie/es
habe gemustert
wir
haben gemustert
ihr
habet gemustert
sie/Sie
haben gemustert
Subjunctive I: Future simple – Konjunktiv I: Futur I
ich
werde mustern
du
werdest mustern
er/sie/es
werde mustern
wir
werden mustern
ihr
werdet mustern
sie/Sie
werden mustern
Subjunctive I: Future perfect - Konjuktiv I: Futur II
ich
werde gemustert haben
du
werdest gemustert haben
er/sie/es
werde gemustert haben
wir
werden gemustert haben
ihr
werdet gemustert haben
sie/Sie
werden gemustert haben
Subjunctive II: Past simple – Konjunktiv II: Präteritum
ich
musterte
du
mustertest
er/sie/es
musterte
wir
musterten
ihr
mustertet
sie/Sie
musterten
Subjunctive II: Past perfect – Konjunktiv II: Plusquamperfekt
ich
hätte gemustert
du
hättest gemustert
er/sie/es
hätte gemustert
wir
hätten gemustert
ihr
hättet gemustert
sie/Sie
hätten gemustert
Subjunctive II: Future simple – Konjunktiv II: Futur I
ich
würde mustern
du
würdest mustern
er/sie/es
würde mustern
wir
würden mustern
ihr
würdet mustern
sie/Sie
würden mustern
Subjunctive II: Future perfect – Konjunktiv II: Futur II
ich
würde gemustert haben
du
würdest gemustert haben
er/sie/es
würde gemustert haben
wir
würden gemustert haben
ihr
würdet gemustert haben
sie/Sie
würden gemustert haben
Imperativ verb ofof the regular verb [mustern]
The imperative (from the Latin imperativus) is a verb form that expresses a command, request or prohibition. In many cases, the use of the imperative can come across as rude and impolite. Therefore, a command is often expressed in a more polite way, using other grammatical means.
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Imperative – Imperativ
du
mustere
ihr
mustert
Participle forms of verb of the regular verb [mustern]
The participle form (from the Latin participare – ‘to take part’) is an indefinite form of a verb that can also be used in a number of ways:
to form compound verb tenses;
to form the passive voice;
as an adjective;
as an alternative to subordinate clauses (sentence condensers);
and others.
Participles can also be used as adjectives (participial adjectives), e.g. gekauft – gekauft(-e), verpasst – verpasst(-e), vergangen – vergangen(-e), as well as nouns (verbal nouns), e.g. griff – der Griff.