I burr you burr he burrs we burr you burr they burr
Present continuous
I am burring you are burring he is burring we are burring you are burring they are burring
Preterite
I burred you burred he burred we burred you burred they burred
Preterite continuous
I was burring you were burring he was burring we were burring you were burring they were burring
Present perfect
I have burred you have burred he has burred we have burred you have burred they have burred
Present perfect continuous
I have been burring you have been burring he has been burring we have been burring you have been burring they have been burring
Pluperfect
I had burred you had burred he had burred we had burred you had burred they had burred
Pluperfect continuous
I had been burring you had been burring he had been burring we had been burring you had been burring they had been burring
Future
I will burr you will burr he will burr we will burr you will burr they will burr
Future continuous
I will be burring you will be burring he will be burring we will be burring you will be burring they will be burring
Future perfect
I will have burred you will have burred he will have burred we will have burred you will have burred they will have burred
Future perfect continuous
I will have been burring you will have been burring he will have been burring we will have been burring you will have been burring they will have been burring
Conditional
Present
I would burr you would burr he would burr we would burr you would burr they would burr
Present continuous
I would be burring you would be burring he would be burring we would be burring you would be burring they would be burring
Past
I would have burred you would have burred he would have burred we would have burred you would have burred they would have burred
Past continuous
I would have been burring you would have been burring he would have been burring we would have been burring you would have been burring they would have been burring