
Regular verb: confirm - confirmed - confirmed
Present | Present continuous | Preterite | Preterite continuous | 
|  do I confirm? do you confirm? does he confirm? do we confirm? do you confirm? do they confirm?  |  am I confirming? are you confirming? is he confirming? are we confirming? are you confirming? are they confirming?  | did I confirm? did you confirm? did he confirm? did we confirm? did you confirm? did they confirm?  |  was I confirming? were you confirming? was he confirming? were we confirming? were you confirming? were they confirming?  | 
Present perfect | Present perfect continuous | Pluperfect | Pluperfect continuous | 
|  have I confirmed? have you confirmed? has he confirmed? have we confirmed? have you confirmed? have they confirmed?  |  have I been confirming? have you been confirming? has he been confirming? have we been confirming? have you been confirming? have they been confirming?  | had I confirmed? had you confirmed? had he confirmed? had we confirmed? had you confirmed? had they confirmed?  | had I been confirming? had you been confirming? had he been confirming? had we been confirming? had you been confirming? had they been confirming?  | 
Future | Future continuous | Future perfect | Future perfect continuous | 
|  will I confirm? will you confirm? will he confirm? will we confirm? will you confirm? will they confirm?  |  will I be confirming? will you be confirming? will he be confirming? will we be confirming? will you be confirming? will they be confirming?  |  will I have confirmed? will you have confirmed? will he have confirmed? will we have confirmed? will you have confirmed? will they have confirmed?  |  will I have been confirming? will you have been confirming? will he have been confirming? will we have been confirming? will you have been confirming? will they have been confirming?  | 
Present | Present continuous | Past | Past continuous | 
|  would I confirm? would you confirm? would he confirm? would we confirm? would you confirm? would they confirm?  |  would I be confirming? would you be confirming? would he be confirming? would we be confirming? would you be confirming? would they be confirming?  |  would I have confirmed? would you have confirmed? would he have confirmed? would we have confirmed? would you have confirmed? would they have confirmed?  |  would I have been confirming? would you have been confirming? would he have been confirming? would we have been confirming? would you have been confirming? would they have been confirming?  | 
Infinitive | Imperative | 
Infinitive | Imperative | ||
| to confirm | - - -  | 
Present | Past | ||
| confirming | confirmed |