The present perfect tense have two forms
1. has/have + past participle of the main verb (present perfect ordinary form)
2.has/havge + been + verb-ing (present perfect continuos present perfect progressive form)
so it means that the present perfect of beat is:
has beaten if the subject is singular
and have beaten if the subject is pronoun
or
has/have been beating
had
The past participle of "sing" is "sung."
The past participle of "tell" is "told."
The past participle of "come" is "come."
The past participle tense of "see" is "seen."
chided (past tense) and chidden (past participal)
The past participle of "meet" is "met."
Knee is a regular verb so both past and past participle are knee + ed kneed
The past tense of "hurt" is "hurt," and the past participle is also "hurt."
yes... "winding" is a *participle*... not a "participal"...
A participial adjective is a present or past participle that is used to modify a noun.
The past of the verb beat is beat.