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