Compare all fourteen personal endings in the active and passive perfect:
PronounActive perfectPassive perfect
heرَمَىرُمِيَ
they two (m.)رَمَيَارُمِيَا
they (m.)رَمَوْارُمُوا
sheرَمَتْرُمِيَتْ
they two (f.)رَمَتَارُمِيَتَا
they (f.)رَمَيْنَرُمِينَ
you (m. sg.)رَمَيْتَرُمِيتَ
you two (m.)رَمَيْتُمَارُمِيتُمَا
you (m. pl.)رَمَيْتُمْرُمِيتُمْ
you (f. sg.)رَمَيْتِرُمِيتِ
you two (f.)رَمَيْتُمَارُمِيتُمَا
you (f. pl.)رَمَيْتُنَّرُمِيتُنَّ
Iرَمَيْتُرُمِيتُ
weرَمَيْنَارُمِينَا
Essential contrast: رَمَى means “he threw,” while رُمِيَ means “he/it was thrown.” رَمَيْتُ and رُمِيتُ share the same first-person suffix, but stem vowels change the voice.