The verb 'bieten' is an example of a strong German verb that undergoes a vowel improve in its stem through conjugation. This characteristic can make it essential for learners to be familiar with these improvements when using the verb in different tenses. 0x6d640x6d64 3,4992020 silver badges2727 bronze badges one Based https://zandereinru.ourabilitywiki.com/9307973/the_definitive_guide_to_briefkasten