As in other West Semitic languages Sabaean distinguishes between two types of finite verb forms: the perfect which is conjugated with suffixes and the imperfect which is conjugated with both prefixes and suffixes. In the imperfect two forms can be distinguished: a short form and a form constructed using the "n" (long form esp. the "n-imperfect"), which in any case is missing in Qatabānian and Ḥaḑramite. In actual use it is hard to distinguish the two imperfect forms from each other. The conjugation of the perfect and imperfect may be summarized as follows (the active and the passive are not distinguished in their consonantal written form; the verbal example is "fʿl" "to do"):