It is the past participle of cleave.
The verb "cleave."
The past participle of the verb "study" is "studied."
The past participle of the verb "be" is "been."
The past participle of the verb "develop" is "developed."
visit is a regular verb so the past and the past participle are both verb + ed ievisitedvisited is the past participle of the verb visit.
The past participle of the verb "occur" is "occurred."
The past participle of the verb "study" is "studied."
The past participle of the verb "be" is "been."
The past participle of the verb "develop" is "developed."
visit is a regular verb so the past and the past participle are both verb + ed ievisitedvisited is the past participle of the verb visit.
The past participle of the verb "occur" is "occurred."
The past participle of the verb "like" is "liked".
By is not a verb and does not have participle forms; however, buy is a verb. The past participle is bought.
The past participle of the verb to do is "done."
The past participle of the verb die is died.
There is no past participle. The idiomatic construction "have to" means "must" and is used as an auxiliary verb. (The verb to have has the past tense had and the past participle had.)
Invented is the past participle of the verb invent. verb /past /past participle = invent /invented /invented
The past participle of the verb to have is had.