I corroborate you corroborate he corroborates we corroborate you corroborate they corroborate
Present continuous
I am corroborating you are corroborating he is corroborating we are corroborating you are corroborating they are corroborating
Preterite
I corroborated you corroborated he corroborated we corroborated you corroborated they corroborated
Preterite continuous
I was corroborating you were corroborating he was corroborating we were corroborating you were corroborating they were corroborating
Present perfect
I have corroborated you have corroborated he has corroborated we have corroborated you have corroborated they have corroborated
Present perfect continuous
I have been corroborating you have been corroborating he has been corroborating we have been corroborating you have been corroborating they have been corroborating
Pluperfect
I had corroborated you had corroborated he had corroborated we had corroborated you had corroborated they had corroborated
Pluperfect continuous
I had been corroborating you had been corroborating he had been corroborating we had been corroborating you had been corroborating they had been corroborating
Future
I will corroborate you will corroborate he will corroborate we will corroborate you will corroborate they will corroborate
Future continuous
I will be corroborating you will be corroborating he will be corroborating we will be corroborating you will be corroborating they will be corroborating
Future perfect
I will have corroborated you will have corroborated he will have corroborated we will have corroborated you will have corroborated they will have corroborated
Future perfect continuous
I will have been corroborating you will have been corroborating he will have been corroborating we will have been corroborating you will have been corroborating they will have been corroborating
Conditional
Present
I would corroborate you would corroborate he would corroborate we would corroborate you would corroborate they would corroborate
Present continuous
I would be corroborating you would be corroborating he would be corroborating we would be corroborating you would be corroborating they would be corroborating
Past
I would have corroborated you would have corroborated he would have corroborated we would have corroborated you would have corroborated they would have corroborated
Past continuous
I would have been corroborating you would have been corroborating he would have been corroborating we would have been corroborating you would have been corroborating they would have been corroborating