a) the 4th binyan: the reflexive conjugation hitpa’el
b) past tense of Hebrew pa’al – forms
c) past tense of the binyan pi’el
d) past tense of the binyan hif’il
e) past tense of the binyan hitpa’el

Past tense of pi’el is formed as follows:

of mefaterdismisses; lefaterto dismiss

singular1 st person2 nd person3 rd person
Iyou myou fheshe
dismisseddismisseddismissed
פיטרתיפיטרתפיטרתפיטרפיטרה
pitartipitartapitartpiterpitrah
plural1 st person2 nd person3 rd person
weyou myou fthey
dismisseddismisseddismissed
פיטרנופיטרתםפיטרתןפיטרו
pitarnupitartempitartenpitru

If the last consonant of the shoresh is a he, as in mefaneh, clears, the he becomes a taw in the 3rd person female singular. In the 1st and 2nd person the he becomes a yud:

Example: mefanehclears, lefanotto clear

singular1 st person2 nd person3 rd person
Iyou myou fheshe
clearedclearedcleared
פיניתיפיניתפיניתפינהפינתה
pinitipinitapinitpinahpint
plural1 st person2 nd person3 rd person
weyou myou fthey
clearedclearedcleared
פינינופיניתםפיניתןפיטרו
pininupinitempinitenpinu