The present perfect of "follow" is "have followed" or "has followed."
The present perfect form of "present" is "have/has presented."
The present perfect tense of "exist" is "has/have existed."
The present perfect tense of "hid" is "have/has hidden."
In written language. When they speak of past events, they use present perfect (conversational past).
have/has planned (PRESENT PERFECT)
The present perfect tense of "are" is "have been."
Has/have drawn is the present perfect of "draw".
The present perfect is 'I have sung'
Present perfect tense.
There are two forms of the present perfect tense: simple present perfect (I have eaten) and progressive present perfect (I have been eating). Both forms use "have" or "has" with the past participle of the main verb to indicate an action that started in the past and has relevance to the present.
Present perfect: have/has taken Past perfect: had taken