knacken — German conjugation

to crack

Frequency#1027Regular

Indicative

Present (Präsens) Regular

Präsens is the default present for facts, habits, and near-future plans. German has no continuous aspect in the same way as English, so a single form often covers both “I work” and “I am working” when you add a time adverb or context.

Ich arbeite heute im Homeoffice.

PronounGermanEnglish
ichknackeI crack
duknackstyou crack
er/sie/esknackthe/she/it cracks
wirknackenwe crack
ihrknacktyou (pl.) crack
sie/Sieknackenthey crack

Simple past (Präteritum) Regular

Präteritum is a narrative past, common in print and in northern speech, while southern speakers lean on the perfect in conversation. sein and haben keep their Präteritum even when you otherwise avoid the preterite.

Er war müde, aber er hatte keinen Kaffee mehr.

PronounGermanEnglish
ichknackteI cracked
duknacktestyou cracked
er/sie/esknacktehe/she/it cracked
wirknacktenwe cracked
ihrknacktetyou (pl.) cracked
sie/Sieknacktenthey cracked

Present perfect (Perfekt) Regular

The Perfekt is the everyday past for finished events: auxiliary haben or sein plus participle, with sein for most motion, coming/going, and some change-of-state verbs.

Wir sind rechtzeitig angekommen und haben gefeiert.

PronounGermanEnglish
ichhabe geknacktI have cracked
duhast geknacktyou have cracked
er/sie/eshat geknackthe/she/it has cracked
wirhaben geknacktwe have cracked
ihrhabt geknacktyou (pl.) have cracked
sie/Siehaben geknacktthey have cracked

Pluperfect (Plusquamperfekt) Regular

The Plusquamperfekt is the pluperfect: it marks what had already completed before a later past episode in the same narrative.

Sie war schon gegangen, bevor er ankam.

PronounGermanEnglish
ichhatte geknacktI had cracked
duhattest geknacktyou had cracked
er/sie/eshatte geknackthe/she/it had cracked
wirhatten geknacktwe had cracked
ihrhattet geknacktyou (pl.) had cracked
sie/Siehatten geknacktthey had cracked

Future I (Futur I) Regular

Futur I is for predictions, firm promises, and also probability about the present in colloquial German. Everyday speech very often uses Präsens plus a time expression instead.

Morgen schneit es, sagt der Wetterbericht.

PronounGermanEnglish
ichwerde knackenI will crack
duwirst knackenyou will crack
er/sie/eswird knackenhe/she/it will crack
wirwerden knackenwe will crack
ihrwerdet knackenyou (pl.) will crack
sie/Siewerden knackenthey will crack

Future II (Futur II) Regular

Futur II (werden + participle + haben/sein) names an action that will be completed before a later time, and can also express a guess that something must already have happened.

Bis Freitag werde ich alles gepackt haben.

PronounGermanEnglish
ichwerde geknackt habenI will have cracked
duwirst geknackt habenyou will have cracked
er/sie/eswird geknackt habenhe/she/it will have cracked
wirwerden geknackt habenwe will have cracked
ihrwerdet geknackt habenyou (pl.) will have cracked
sie/Siewerden geknackt habenthey will have cracked

Subjunctive

Subjunctive II (Konjunktiv II) Regular

Konjunktiv II is the mood for politeness, contrary-to-fact if-clauses, and reported views. In speech, würde + infinitive often stands in for rarer preterit-based forms.

Könnten Sie mir bitte helfen?

PronounGerman
ichknackte
duknacktest
er/sie/esknackte
wirknackten
ihrknacktet
sie/Sieknackten

Other forms

Imperative (Imperativ) Regular

The imperative uses the du, ihr, and Sie forms of command; the informal du form drops the -st of the present for many strong verbs, and separable-prefix verbs place the prefix at the end.

Mach bitte schnell, der Zug fährt gleich ab.

PronounGerman
duknacke
ihrknackt