Apologized is the past form of apologize.
No, it is not. It is a verb form. It is the past tense and past participle of the verb "to apologize" but is not used as an adjective either.
It is an adverb, not a verb,; it can accompany a Present, a Past, a Present Perfect, a Past Perfect and a Future verb.
Have is not a "to be" verb. Present tense forms of be: am/is/are Past tense forms of be: was/were Being is the present participle, and been is the past participle.
"Encouraged" is the simple past and past participle of the verb "encourage".
Some examples are:putcutcostfit
"Is" is the present tense form of the verb "to be" and "has" is the present tense form of the verb "to have."
were is a past tense plural be verb. They were very unhappy
Studied is not a present tense verb. It is the past tense of study (present tense).
Present tense - you are. Past tense - you were.
Have is in present tense. Had is past tense. I have a banana. - present I had a banana. - past
It is a past tense verb. It is the past tense of the regular verb present
Was is the past tense of the verb to be.