travelled
The past participle of the verb "study" is "studied."
The word travelled (also traveled) is the past participle, past tense of the verb to travel. The past participle of the verb is also an adjective: the traveled road; a well travelled adventurer.
The past participle of the verb "be" is "been."
The past participle (and simple past) 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.
Like is a regular verb so the past participle is verb + ed, = liked
THE PAST Participle of occur is occurred!
By is not a verb and does not have participle forms; however, buy is a verb. The past participle is bought.
It is the past participle of cleave.
The past participle of the verb die is died.
The past participle of the verb to do is "done."
Invented is the past participle of the verb invent. verb /past /past participle = invent /invented /invented