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Kommen (to come) is also an irregular verb. But its irregular past tense form (kam) has an<br />

umlaut vowel (a, o, u). When an irregular verb has an umlaut vowel, its subjunctive II forms will<br />

require an umlaut:<br />

Subjunctive I<br />

Subjunctive II<br />

ich komme käme<br />

du kommest kämest<br />

er komme käme<br />

wir kommen kämen<br />

ihr kommet kämet<br />

sie kommen kämen<br />

Kennen (to know) is an irregular verb that has a vowel change in the past tense and also has<br />

the past tense suffix -te (kannte). When this verb is conjugated in subjunctive II, the vowel change<br />

is avoided. This also occurs with other verbs in this category, such as nennen (to name) and brennen<br />

(to burn):<br />

Subjunctive I<br />

Subjunctive II<br />

ich kenne kennte<br />

du kennest kenntest<br />

er kenne kennte<br />

wir kennen kennten<br />

ihr kennet kenntet<br />

sie kennen kennten<br />

Denken (to think) is another irregular verb that has a vowel change in the past tense and also<br />

has the past tense suffix -te (dachte). When this verb is conjugated in subjunctive II, the vowel<br />

change is maintained and an umlaut is added. This also occurs with other verbs in this category,<br />

such as bringen (to bring) and wissen (to know):<br />

Subjunctive I<br />

Subjunctive II<br />

ich denke dächte<br />

du denkest dächtest<br />

er denke dächte<br />

wir denken dächten<br />

ihr denket dächtet<br />

sie denken dächten<br />

Modals and the umlaut<br />

Müssen (to have to) and other modal auxiliaries that have an umlaut in the infinitive keep the<br />

umlaut in subjunctive II. Modals that do not have an umlaut in the infinitive, e.g., wollen (to<br />

want), do not have one in subjunctive II:<br />

MÜSSEN<br />

Wollen<br />

ich müsse müsste wolle wollte<br />

du müssest müsstest wollest wolltest<br />

er müsse müsste wolle wollte<br />

wir müssen müssten wollen wollten<br />

ihr müsset müsstet wollet wolltet<br />

sie müssen müssten wollen wollten<br />

134 Practice Makes Perfect German Sentence Builder

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