11. In the first group of this type, the frequentative has the vowel " o ". 12. Some forms that contain an " o " use the frequentative aspect and others do not. 13. There are derivational suffixes for verbs, which carry frequentative , momentane, causative, and inchoative aspect meanings. 14. Frequentatives may be combined with momentanes, that is, to indicate the repetition of a short, sudden action.15. The frequentative aspect expresses that the action ( state of being or process ) does not happen just one time. 16. Some verbs of this type also use the frequentative or repetitive forms in the neutral voice and others do not. 17. However a causative "-B-" denotes momentanity and those verbs can be derived into frequentative verbs. 18. The frequentative aspect, however, does not denote continuous repetitiveness as in e . g . some Finnish frequentative derivations. 19. The frequentative aspect, however, does not denote continuous repetitiveness as in e . g . some Finnish frequentative derivations. 20. It can be metathesized to become frequentative as he made a series ( lit . breaks ) of giggles or laughs.