Technically the past tense of speed is 'sped'.
However, 'speeded' is frequently used in British English even though it isn't really grammatically correct.
sped. He sped past me on his way home
The past form of the word "abuse" is "abused."
The past form of the word "flow" is "flowed."
The past simple form of "do" is "did."
The past participle form of the word "steal" is "stolen."
The past participle form of the word "use" is "used."
sleep is the base form slept is the past simple form slept is the past participle.
The past participle form of the word "receive" is "received."
"Sped" is the past tense version of speed.
The past tense form of the word "apply" is "applied".
The past participle form of the word "stay" is "stayed."
The past participle form of the word "sing" is "sung."
The past tense form of the word "scar" is "scarred".