certain types of intonational pattern which occur regularly. One common pattern is for sentences to have a gradual descent from the first high tone to the last, as in the following:
*kye kib'''ú'''ga ekik'''ú'''lu mu Ug'''án'''da 'it is the chief city in Uganda'

The three high tones ú, ú, and án stand out prominently from the other syllables, and each one is a little lower than the last, as if coming down in a series of steps. The toneless syllables between are lower