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
beklage
du
beklagst
er/sie/es
beklagt
wir
beklagen
ihr
beklagt
sie/Sie
beklagen
Past simple – Präteritum
ich
beklagte
du
beklagtest
er/sie/es
beklagte
wir
beklagten
ihr
beklagtet
sie/Sie
beklagten
Present perfect – Perfekt
ich
habe beklagt
du
hast beklagt
er/sie/es
hat beklagt
wir
haben beklagt
ihr
habt beklagt
sie/Sie
haben beklagt
Past perfect – Plusquamperfekt
ich
hatte beklagt
du
hattest beklagt
er/sie/es
hatte beklagt
wir
hatten beklagt
ihr
hattet beklagt
sie/Sie
hatten beklagt
Future simple – Futur I
ich
werde beklagen
du
wirst beklagen
er/sie/es
wird beklagen
wir
werden beklagen
ihr
werdet beklagen
sie/Sie
werden beklagen
Future perfect – Futur II
ich
werde beklagt haben
du
wirst beklagt haben
er/sie/es
wird beklagt haben
wir
werden beklagt haben
ihr
werdet beklagt haben
sie/Sie
werden beklagt haben
Subjunctive of verb of the regular verb [beklagen]
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
beklage
du
beklagest
er/sie/es
beklage
wir
beklagen
ihr
beklaget
sie/Sie
beklagen
Subjunctive I: Present perfect – Konjunktiv I
ich
habe beklagt
du
habest beklagt
er/sie/es
habe beklagt
wir
haben beklagt
ihr
habet beklagt
sie/Sie
haben beklagt
Subjunctive I: Future simple – Konjunktiv I: Futur I
ich
werde beklagen
du
werdest beklagen
er/sie/es
werde beklagen
wir
werden beklagen
ihr
werdet beklagen
sie/Sie
werden beklagen
Subjunctive I: Future perfect - Konjuktiv I: Futur II
ich
werde beklagt haben
du
werdest beklagt haben
er/sie/es
werde beklagt haben
wir
werden beklagt haben
ihr
werdet beklagt haben
sie/Sie
werden beklagt haben
Subjunctive II: Past simple – Konjunktiv II: Präteritum
ich
beklagte
du
beklagtest
er/sie/es
beklagte
wir
beklagten
ihr
beklagtet
sie/Sie
beklagten
Subjunctive II: Past perfect – Konjunktiv II: Plusquamperfekt
ich
hätte beklagt
du
hättest beklagt
er/sie/es
hätte beklagt
wir
hätten beklagt
ihr
hättet beklagt
sie/Sie
hätten beklagt
Subjunctive II: Future simple – Konjunktiv II: Futur I
ich
würde beklagen
du
würdest beklagen
er/sie/es
würde beklagen
wir
würden beklagen
ihr
würdet beklagen
sie/Sie
würden beklagen
Subjunctive II: Future perfect – Konjunktiv II: Futur II
ich
würde beklagt haben
du
würdest beklagt haben
er/sie/es
würde beklagt haben
wir
würden beklagt haben
ihr
würdet beklagt haben
sie/Sie
würden beklagt haben
Imperativ verb ofof the regular verb [beklagen]
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
beklage; beklag
ihr
beklagt
Participle forms of verb of the regular verb [beklagen]
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.