<Table> <Tr> <Td> </Td> <Td> This article needs additional citations for verification . Please help improve this article by adding citations to reliable sources . Unsourced material may be challenged and removed . (June 2015) (Learn how and when to remove this template message) </Td> </Tr> </Table> <Tr> <Td> </Td> <Td> This article needs additional citations for verification . Please help improve this article by adding citations to reliable sources . Unsourced material may be challenged and removed . (June 2015) (Learn how and when to remove this template message) </Td> </Tr> <P> German verbs may be classified as either weak, with a dental consonant inflection, or strong, showing a vowel gradation (ablaut). Both of these are regular systems . Most verbs of both types are regular, though various subgroups and anomalies do arise . The only completely irregular verb in the language is sein (to be). although, textbooks for learners often class all strong verbs as irregular . There are more than 200 strong and irregular verbs, but there is a gradual tendency for strong verbs to become weak . </P> <P> As German is a Germanic language, the German verb can be understood historically as a development of the Germanic verb . </P>

How many irregular verbs are there in german