Present perfect tense.
"Have read" is the present perfect tense.
The future perfect tense of read is will have read.
The present perfect tense of "exist" is "has/have existed."
The present perfect tense is Have/Has Hidden.
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
The present perfect tense of "was" is "have been".
The present perfect tense of "are" is "have been."
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 clapped" or "has clapped."
"have tried" is the present perfect tense.
The past tense of speed is "sped" and the present perfect tense is "has/have sped."