The present perfect form of to be is have been or has been.
I have been in this town for two years.
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 tense of form is:I/You/We/They have formed.He/She/It has formed.
Have/has presented.
The present perfect form of "she knows" is "she has known."
The present perfect form of "study" is "have studied." For example, "I have studied for my exam."
i have sat
The present perfect tense of form is:I/You/We/They have formed.He/She/It has formed.
Have/has presented.
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."
Present perfect tense.
It is "have/has posted".
Danced
Present perfect - have/has thought. Past perfect - had thought. Future perfect - will have thought.
The present perfect is has/have + a past participle.I have seen that movie already.She has seen that movie, too.
I/you/we/they have been. He/she/it has been.
i have sat
I/you/we/they have been. He/she/it has been.
Every verb has a past, present, and future tense. Each past, present, and future tense also has a perfect form, progressive (continuous) form, and a perfect continuous form.