21. In the present tense, they use the " preterite " endings of the strong verbs . 22. As in all Germanic languages, strong verbs change their vowel sounds in the various tenses. 23. Germanic strong verbs are commonly divided into 7 classes, based on the type of vowel alternation. 24. Strong verbs are less common in Dutch, but they include many of the most common verbs.25. In Proto-Germanic, the common ancestor of the Germanic languages, the strong verbs were still mostly regular. 26. Most mixed verbs are originally strong verbs that have replaced some strong forms with weak forms. 27. The rest are strong verbs and weak verbs. 28. The sentence needs a strong verb , I suggest. 29. :: : I do not think that " cut " is a case of a strong verb . 30. Strong verbs receive an umlaut in present tense third person singular and all persons in past tense.
