The verb 'bieten' is definitely an example of a solid German verb that undergoes a vowel modify in its stem all through conjugation. This characteristic makes it essential for learners to pay attention to these variations when using the verb in different tenses. 0x6d640x6d64 3,4992020 silver badges2727 bronze badges 1 https://entdeckensiediewelt.de/wie-eine-geschaftsadresse-in-leipzig-ihre-marke-aufwerten-kann/