Present perfect is formed with have / has + past participle. The past participle of sleep is slept, so the present perfect is have slept or has slept eg
They have slept all day
She has slept all day
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
The present tense of to sleep is sleep, or sleeps for the 3rd person singular.The past tense is slept and the future tense is will sleep.
The present tense of the verb to sleep is "sleep or sleeps".
The present perfect is -- have /has + past participle = has/have slept.
Present tense
The present perfect tense is Have/Has Hidden.
The present perfect tense is has/have existed.
The past perfect tense of sleep is had slept.
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."
The present tense of to sleep is sleep, or sleeps for the 3rd person singular.The past tense is slept and the future tense is will sleep.
The present tense of the verb to sleep is "sleep or sleeps".
"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.