The way present perfect is formed is -- have/has + past participle.
So the verb do would not be used in present perfect, but the past participle done is used.
I have done my home work. = a positive sentence.
I have not done my homework = a negative sentence.
She has not done her homework. = negative sentence.
The 'not' comes between the auxiliary verb have/has and the past participle.
The present perfect form of "present" is "have/has presented."
The present perfect of follow is has/have followed.
The present perfect tense is Have/Has Hidden.
The present perfect tense is has/have existed.
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.
The present perfect form of "present" is "have/has presented."
The present perfect of follow is has/have followed.
The present perfect tense is Have/Has Hidden.
The present perfect tense is has/have existed.
The present perfect tense of "are" is "have been."
Has/have drawn is the present perfect of "draw".
have/has planned (PRESENT PERFECT)
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:I/We/You/They have takenHe/She/It has takenPast Perfect:had taken
No. Were is a past tense of "be". The present perfect tense uses "have" and "has".