Subject
"has" or "has" and its main verb in the form
past participle
You can use a proper noun or pronoun. I, she, they
The verb "to have" is an auxiliary verb, it is an auxiliary verb. It is not the main verb in the sentence
Present perfect
For regular verbs, the form of the past participle is the same as the past simple
you just need to add -ed. "see" in the present tense
Some irregular verbs use the same past simple verb as the past participle form "have" in the present tense becomes "have" in the simple past
Different shapes
"ir" in the present tense becomes "went" in the past simple
Past participle form, is "been" or "disappeared"
Examples
"make made made" "be made, was made, be made"
"Speak, spoke, spoke"
"throw threw thrown"
Of if necessary
Memorize the form of the past participle
Structure often "have" and "has" are contracted
"I have asked"
"You have been"
They have flown"
"She is forgotten"
"He is saved"
