Insisted is the past participle of insist.
No. Insisted is the past tense and past participle of the verb (to insist). One adverb form is the adverb insistently.
The past participle of "do" is "done." The past participle of "have" is "had."
The past participle of "am not" is "have not been."
The past participle of "do" is "done."
The past tense of "have" is "had," and the past participle is also "had."
Insisted is the past tense of insist.
The past participle of "will" is "willed."
The past participle of "am, are, is" is "been."
The past participle of the word "have" is "had."
The past participle is thought.
The past participle of "to" is "been." The past participle of "be" is also "been."
Being is the present participle. The past participle is been.