Latin via Ovid Chpt. X perfect tense irregular verbs

Practice forming the perfect tense of the following verbs:
do, dare, dedi, datum (give)
sto, stare, steti, statum (stand)
video, videre, vidi, visum (see)
maneo, manere, mansi, mansum (remain)
respondeo, respondere, respondi, responsum (reply)
sum, esse, fui (be)