I am presenting my essay today.
You are presenting him to the church, aren't you?
The above sentences are present continuous not present perfect.
Present perfect is have / has + past participle.
The past participle of present is presented ( present is a regular verb so add -ed to make past and past participle)
They have presented me with a gold watch.
She has presented her resignation.
The present perfect form of the verb 'sit' is 'have sat.'
The present perfect tense of the verb "study" is "have studied."
"Have studied" is in the present perfect tense. It is formed by using the auxiliary verb "have" followed by the past participle of the main verb.
The present perfect tense of the verb "study" is "have studied."
The present perfect tense of the verb "practice" is "have practiced" or "has practiced."
The present perfect singular of the verb "to place" is "I have placed".
The present perfect form of the verb 'sit' is 'have sat.'
The present perfect tense of the verb "study" is "have studied."
"Have studied" is in the present perfect tense. It is formed by using the auxiliary verb "have" followed by the past participle of the main verb.
The present perfect tense of the verb "study" is "have studied."
The present perfect tense of the verb "practice" is "have practiced" or "has practiced."
It is an adverb, not a verb,; it can accompany a Present, a Past, a Present Perfect, a Past Perfect and a Future verb.
The present perfect of visit is have/has visited.
The present perfect tense of "they have" is "they have had."
The present perfect of "frighten" is "have frightened" or "has frightened."
there are 12 verb tenses not only five. present, past, future. simple-- continuous--perfect-- perfect continuous.
"You have" is present perfect tense.