as - adaadigaNa parasmaipadi ##to be##
asti staH santi\, asi sthaH stha\, asmi svaH smaH| - laT
bhaviShyati bhaviShyataH bhaviShyanti\, bhaviShyasi bhaviShyathaH bhaviShyatha\, bhaviShyaami bhaviShyaavaH bhaviShyaamaH|  - lRRiT
astu staam santu\, edhi stam sta\, asaani asaava asaama|  - loT
aasiit aastaam aasan\, aasiiH aastam aasta\, aasam aasva asma|  - la~N
abhaviShyat abhaviShyataam abhaviShyan\, abhaviShyaH abhaviShyatam abhaviShyata\, abhaviShyam abhaviShyaava abhaviShyaama|  - lRRi~N
syaat syaataam syuH\, syaaH syaatam syaata\, syaam syaava syaama|  - vidhili~N