Present perfect is formed with - have/has +past participle.
The past participle of burn can be burnt or burned. So present perfect would be:
have burned, has burned
or
have burnt, has burnt
The present perfect tense of "are" is "have been."
The past perfect tense is 'I had written'.The present perfect tense is 'I/you/we/they have written. He/she/it has written.
The present perfect tense of escape is have/had escaped.I/We/You/They have escapedHe/She/It has escaped
The present perfect tense of applaud is:I/You/We/They have applauded.He/She/It has applauded.
The present perfect tense of want is have/has wanted. Always is an adverb and does not change from one tense to another.
Past simple: burned/burntPast continuous/progressive: was burningPresent simple: (I/you/we/they) burn; (he/she/it) burnsPresent continuous/progressive: (am/is/are) burningFuture: will burn, shall burn; (am/is/are) going to burnFuture continuous/progressive: will be burningPERFECT TENSESPast perfect: had burned/burntPresent perfect: have burned/burntFuture perfect: will have burned/burntPast perfect continuous: had been burningPresent perfect continuous: has been burningFuture perfect continuous: will have been burning
The past perfect tense is had burned.
Present tense
The present perfect tense is Have/Has Hidden.
The present perfect tense 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
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."
"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.
The present perfect tense of clap is 'have/has clapped'.
Present perfect:I/You/We/They have burned.He/She/It has burned.Present perfect continuous:I/You/We/They have been burning.He/She/It has been burning.Past perfect:Had burned.Past perfect continuous:Had been burning.Future perfect:Will have burned.Future perfect continuous:Will have been burning.