 The perfect stem following "tä-" may lose the vowel between the second and third root consonants when the suffix begins with a vowel (ተፈልጠ "tä-fält'-ä" 'he was known'; ተፈለጥኩ "tä-fälät'-ku" 'I was known').The table below shows forms for the verb {"flt"'} (3A) 'know' in each of the possible combinations of derivational prefixes and internal changes.Unless otherwise indicated, the forms given are the third person masculine plural for the RECIPROCAL pattern and the third person masculine singular for the other patterns.