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.
The future perfect tense is will have given.
The future perfect tense is will have known.
The future perfect tense is will have cried.
The future perfect tense is will have started.
The future perfect tense is 'will have realized.'
The future perfect tense is will have lost.
The future perfect tense of be is will have been.
The future perfect tense of be is will have been.
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 future perfect tense of to drive is will have driven.
The future perfect tense of fling is will have flung.
The future perfect tense of become is will have become.