The present tense of work is work (I work, you work, he works, she works, it works, we work they work). The present continuous - am/is/are working; the present perfect - have/has worked; the present perfect continuous - have/has been working.
Present perfect tense.
The present perfect tense of "hid" is "have/has hidden."
The present perfect tense of "exist" 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
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.
Present Tense, Paste Tense, Future Tense, Future Perfect Tense, Present Perfect Tense, Past Perfect Tense
The present perfect tense of "creep" is "has/have crept."