Bend, beseech, bet, build, burst, catch, dwell, rend, split, wet, have archaic or less usual forms in ed: bended, beseeched, betted, etc. Builded is common in the proverbial “He builded better than he knew.” Bursted is common as an adjective: “a bursted bubble.”
Bid, “to command,” has sometimes bid in both the past tense and the past participle; bid, “to offer money,” has these forms regularly.
Blend, leap, lean, have usually blended, leaped, leaned; but blent, leapt, leant are not uncommon.
Clothe has commonly clothed; but clad is common in literary use, and is regular in the adjectives well-clad, ill-clad (for which ordinary speech has substituted well-dressed, badly or poorly dressed).
Dive has dived; but dove (an old form) is common in America.
Plead has past tense and past participle pleaded. Plead (pronounced plĕd) is avoided by careful writers and speakers.
Prove has past tense and past participle proved. The past participle proven should be avoided.
Work has past tense and past participle worked. Wrought in the past tense and the past participle is archaic, but is also modern as an adjective (as in wrought iron).
Some verbs have rare or archaic weak forms alongside of the strong forms; thus digged, shined, past tense and past participle of dig, shine; showed, past participle of show.
Ate and eaten are preferred to eat (pronounced ĕt).