because we use has,have plus the past participle of the base form of the verb
I/We/You/They have calledHe/She/It has called
The present perfect tense is Have/Has Hidden.
The present perfect tense is has/have existed.
Was is a past tense conjugation of be. The present perfect tense of be is have/has been.I/We/You/They have beenHe/She/It has been
"have tried" is the present perfect tense.
I/We/You/They have calledHe/She/It has called
The present perfect tense of "maim" is "has [or "have] maimed. What English calls the present perfect tense is often called simply the perfect tense in Latin and the Romance Languages. English also has a past perfect tense, "had maimed" in this instance.
Present tense
The present perfect tense is Have/Has Hidden.
The present perfect tense is has/have existed.
present tense past tense future tense present perfect tense past perfect tense future perfect tense present progressive tense past progressive tense future progressive tense present perfect progressive tense past perfect progressive tense future perfect progressive tense
Was is a past tense conjugation of be. The present perfect tense of be is have/has been.I/We/You/They have beenHe/She/It has been
The present perfect tense of "are" is "have been."
"have tried" is the present perfect tense.
The present perfect tense of leave is have/has left. The present perfect tense of eat is have/has eaten.
The present perfect tense of clap is 'have/has clapped'.
The past tense is sped.The present perfect tense is have/has sped.