The present perfect form of the verb "to be" is "have been" or "has been", depending on the subject. For example: "I have been," "You have been," "He/She/It has been," "We have been," "You have been," "They have been."
The present perfect form of "present" is "have/has presented."
The present perfect form of "find" is "have found."
The present perfect form of "to be" is "have been" for plural subjects (I, you, we, they) and "has been" for singular subjects (he, she, it).
The present perfect form of the verb 'sit' is 'have sat.'
The present perfect form of "she knows" is "she has known."
The present perfect form of "present" is "have/has presented."
The present perfect form of "find" is "have found."
The present perfect form of "to be" is "have been" for plural subjects (I, you, we, they) and "has been" for singular subjects (he, she, it).
The present perfect form of the verb 'sit' is 'have sat.'
The present perfect form of "she knows" is "she has known."
The present perfect form of "they have think" is "they have thought."
The present perfect progressive form of "discuss" is "have been discussing."
The present perfect progressive form of "sleep" is "has/have been sleeping."
Present perfect tense.
The present perfect tense of "form" is "have formed" (for plural subjects) or "has formed" (for singular subjects). It is formed by using the auxiliary verb "have" or "has" followed by the past participle of the verb "form".
The ellos form of the verb "hablar" in the present perfect tense is "han hablado."
No, "has eaten" is not a present participle. The present participle form of "eat" is "eating". "Has eaten" is a present perfect verb form.