The past perfect tense is had burned.
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
Existed is the past tense. The past perfect tense is had existed.
The past tense is bled, and the past perfect tense is had bled.
The past tense of sit is sat; the past perfect tense is had sat.
The past perfect tense is had submitted.
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
Existed is the past tense. The past perfect tense is had existed.
The past tense is bled, and the past perfect tense is had bled.
The past tense of sit is sat; the past perfect tense is had sat.
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 burnedorhave burnt, has burnt
The past perfect tense is "had confronted".
The past perfect tense is had chosen.
The past perfect tense is had set.
The past perfect tense is had rung.
The past perfect tense of hope is had hoped.
The past perfect tense is had submitted.
The past perfect tense of "learn" is "had learned."