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
teste
du
testest
er/sie/es
testet
wir
testen
ihr
testet
sie/Sie
testen
Past simple – Präteritum
ich
testete
du
testetest
er/sie/es
testete
wir
testeten
ihr
testetet
sie/Sie
testeten
Present perfect – Perfekt
ich
habe getestet
du
hast getestet
er/sie/es
hat getestet
wir
haben getestet
ihr
habt getestet
sie/Sie
haben getestet
Past perfect – Plusquamperfekt
ich
hatte getestet
du
hattest getestet
er/sie/es
hatte getestet
wir
hatten getestet
ihr
hattet getestet
sie/Sie
hatten getestet
Future simple – Futur I
ich
werde testen
du
wirst testen
er/sie/es
wird testen
wir
werden testen
ihr
werdet testen
sie/Sie
werden testen
Future perfect – Futur II
ich
werde getestet haben
du
wirst getestet haben
er/sie/es
wird getestet haben
wir
werden getestet haben
ihr
werdet getestet haben
sie/Sie
werden getestet haben
Subjunctive of verb of the regular verb [testen]
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
teste
du
testest
er/sie/es
teste
wir
testen
ihr
testet
sie/Sie
testen
Subjunctive I: Present perfect – Konjunktiv I
ich
habe getestet
du
habest getestet
er/sie/es
habe getestet
wir
haben getestet
ihr
habet getestet
sie/Sie
haben getestet
Subjunctive I: Future simple – Konjunktiv I: Futur I
ich
werde testen
du
werdest testen
er/sie/es
werde testen
wir
werden testen
ihr
werdet testen
sie/Sie
werden testen
Subjunctive I: Future perfect - Konjuktiv I: Futur II
ich
werde getestet haben
du
werdest getestet haben
er/sie/es
werde getestet haben
wir
werden getestet haben
ihr
werdet getestet haben
sie/Sie
werden getestet haben
Subjunctive II: Past simple – Konjunktiv II: Präteritum
ich
testete
du
testetest
er/sie/es
testete
wir
testeten
ihr
testetet
sie/Sie
testeten
Subjunctive II: Past perfect – Konjunktiv II: Plusquamperfekt
ich
hätte getestet
du
hättest getestet
er/sie/es
hätte getestet
wir
hätten getestet
ihr
hättet getestet
sie/Sie
hätten getestet
Subjunctive II: Future simple – Konjunktiv II: Futur I
ich
würde testen
du
würdest testen
er/sie/es
würde testen
wir
würden testen
ihr
würdet testen
sie/Sie
würden testen
Subjunctive II: Future perfect – Konjunktiv II: Futur II
ich
würde getestet haben
du
würdest getestet haben
er/sie/es
würde getestet haben
wir
würden getestet haben
ihr
würdet getestet haben
sie/Sie
würden getestet haben
Imperativ verb ofof the regular verb [testen]
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
teste; test
ihr
testet
Participle forms of verb of the regular verb [testen]
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.