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