The form q`tal illustrates one main peculiarity of Aramaic, as opposed to the other Semitic languages, viz.
q`tal or Pal (" he killed "), which corresponds to Heb.
The simple active q`tal makes its passive ethq`tel; the intensive gattel makes.
q`tal " he has killed," " he killed."
q`tal wa, " he had killed," " he killed."