Periphrastic perfect Periphrastic perfect Is formed by attaching the suffix -am to the verb's root (roots bhi-, hri-, bhr-, hu- are first reduplicated) and then adding perfect forms of these verbs: as- ("to be"; asa). kr- ("to do"; cakre or cakara), bhu- ("to be"; babhuva),  that is, these forms:   Verb "to be" (as-, perfect parasmaipada):     Sg. Du. Pl. 1. asa asiva asima 2. asitha asathuh asa 3. asa asatuh asuh   Verb "to do" (kr-, perfect parasmaipada):     Sg. Du. Pl. 1. cakara cakrva cakrma 2. cakartha cakrathuh cakra 3. cakara cakratuh cakruh   Verb "to do" (kr-, perfect atmanepada):     Sg. Du. Pl. 1. cakre cakrvahe cakrmahe 2. cakrse cakrathe cakrdhve 3. cakre cakrate cakrire   Verb "to be" (bhu-, perfect parasmaipada):     Sg. Du. Pl. 1. babhuva babhuviva babhuvima 2. babhuvitha  babhuvathuh babhuva 3. babhuva babhuvatuh babhuvuh    Examples:   Verb "to lead" (ni-), parasmaipada:     Sg. Du. Pl. 1. nayayamasa nayayamasiva nayayamasima 2. nayayamasitha nayayamasathuh nayayamasa 3. nayayamasa nayayamasatuh nayayamasuh   Verb "to speak" (vac-), parasmaipada:     Sg. Du. Pl. 1. vacayajcakara vacayajcakrva vacayajcakrma 2. vacayajcakartha vacayajcakrathuh vacayajcakra 3. vacayajcakara vacayajcakratuh vacayajcakruh   Verb "to unite" (yuj-), atmanepada:     Sg. Du. Pl. 1. yojayajcakre yojayajcakrvahe yojayajcakrmahe 2. yojayajcakrse yojayajcakrathe yojayajcakrdhve 3. yojayajcakre yojayajcakrate yojayajcakrire   Verb "to carry" (bhr-), parasmaipada:     Sg. Du. Pl. 1. bibharajbabhuva bibharajbabhuviva bibharajbabhuvima 2. bibharajbabhuvitha bibharajbabhuvathuh bibharajbabhuva 3. bibharajbabhuva bibharajbabhuvatuh bibharajbabhuvuh