The past perfect tense.
I traveled: verb, past tense. I have traveled: past perfect tense participle
Yes it's a past tense verb.
No. Traveled is a past tense verb, and an adjective. But it cannot be a preposition.
No, traveled is not a common noun; it is a past tense verb
Travelled is the past tense form of the verb "travel".
Travels can be a noun and a verb. Noun: Plural of 'travel'. Verb: The third person simple present tense of the verb 'travel'.
A verb is a word that expresses an action, occurrence, or state of being in a sentence. A verb phrase is a group of words that includes the main verb and any helping verbs that modify the main verb.
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.
has thought
Traveled is the past tense. The present tense is travel.
The word traveled is the past tense of the verb travel, and like many past tenses of verbs, it can also be used as an adjective, for example, Fred is well traveled. However, traveled is definitely not a preposition.
"should remember" is the verb phrase in the sentence.