Regular verb: corroborate - corroborated - corroborated
Present | Present continuous | Preterite | Preterite continuous |
don't I corroborate? don't you corroborate? doesn't he corroborate? don't we corroborate? don't you corroborate? don't they corroborate? | am I not corroborating? aren't you corroborating? isn't he corroborating? aren't we corroborating? aren't you corroborating? aren't they corroborating? | didn't I corroborate? didn't you corroborate? didn't he corroborate? didn't we corroborate? didn't you corroborate? didn't they corroborate? | wasn't I corroborating? weren't you corroborating? wasn't he corroborating? weren't we corroborating? weren't you corroborating? weren't they corroborating? |
Present perfect | Present perfect continuous | Pluperfect | Pluperfect continuous |
haven't I corroborated? haven't you corroborated? hasn't he corroborated? haven't we corroborated? haven't you corroborated? haven't they corroborated? | haven't I been corroborating? haven't you been corroborating? hasn't he been corroborating? haven't we been corroborating? haven't you been corroborating? haven't they been corroborating? | hadn't I corroborated? hadn't you corroborated? hadn't he corroborated? hadn't we corroborated? hadn't you corroborated? hadn't they corroborated? | hadn't I been corroborating? hadn't you been corroborating? hadn't he been corroborating? hadn't we been corroborating? hadn't you been corroborating? hadn't they been corroborating? |
Future | Future continuous | Future perfect | Future perfect continuous |
won't I corroborate? won't you corroborate? won't he corroborate? won't we corroborate? won't you corroborate? won't they corroborate? | won't I be corroborating? won't you be corroborating? won't he be corroborating? won't we be corroborating? won't you be corroborating? won't they be corroborating? | won't I have corroborated? won't you have corroborated? won't he have corroborated? won't we have corroborated? won't you have corroborated? won't they have corroborated? | won't I have been corroborating? won't you have been corroborating? won't he have been corroborating? won't we have been corroborating? won't you have been corroborating? won't they have been corroborating? |
Present | Present continuous | Past | Past continuous |
wouldn't I corroborate? wouldn't you corroborate? wouldn't he corroborate? wouldn't we corroborate? wouldn't you corroborate? wouldn't they corroborate? | wouldn't I be corroborating? wouldn't you be corroborating? wouldn't he be corroborating? wouldn't we be corroborating? wouldn't you be corroborating? wouldn't they be corroborating? | wouldn't I have corroborated? wouldn't you have corroborated? wouldn't he have corroborated? wouldn't we have corroborated? wouldn't you have corroborated? wouldn't they have corroborated? | wouldn't I have been corroborating? wouldn't you have been corroborating? wouldn't he have been corroborating? wouldn't we have been corroborating? wouldn't you have been corroborating? wouldn't they have been corroborating? |
Infinitive | Imperative |
Infinitive | Imperative | ||
to corroborate | - - - |
Present | Past | ||
corroborating | corroborated |