Have/has lost is the present perfect tense of lose.
Present tense : I, we, you, they lose / he, she, it losesPast tense : lostFuture tense : will lose
The present perfect tense is Have/Has Hidden.
The present perfect tense is has/have existed.
The future perfect tense is will have lost.
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/has lost is the present perfect tense of lose.I have lostWe have lostYou have lostHe/she has lostThey have lost
Present tense
Present tense : I, we, you, they lose / he, she, it losesPast tense : lostFuture tense : will lose
The present perfect tense is Have/Has Hidden.
The present perfect tense is has/have existed.
The future perfect tense is will have lost.
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 past perfect of lose is had lost.
"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.