English verb conjugation
TO STACK
Regular verb: stack - stacked - stacked
Present | Present continuous | Preterite | Preterite continuous |
| don't I stack? don't you stack? doesn't she stack? don't we stack? don't you stack? don't they stack? | am I not stacking? aren't you stacking? isn't she stacking? aren't we stacking? aren't you stacking? aren't they stacking? | didn't I stack? didn't you stack? didn't she stack? didn't we stack? didn't you stack? didn't they stack? | wasn't I stacking? weren't you stacking? wasn't she stacking? weren't we stacking? weren't you stacking? weren't they stacking? |
Present perfect | Present perfect continuous | Pluperfect | Pluperfect continuous |
| haven't I stacked? haven't you stacked? hasn't she stacked? haven't we stacked? haven't you stacked? haven't they stacked? | haven't I been stacking? haven't you been stacking? hasn't she been stacking? haven't we been stacking? haven't you been stacking? haven't they been stacking? | hadn't I stacked? hadn't you stacked? hadn't she stacked? hadn't we stacked? hadn't you stacked? hadn't they stacked? | hadn't I been stacking? hadn't you been stacking? hadn't she been stacking? hadn't we been stacking? hadn't you been stacking? hadn't they been stacking? |
Future | Future continuous | Future perfect | Future perfect continuous |
| won't I stack? won't you stack? won't she stack? won't we stack? won't you stack? won't they stack? | won't I be stacking? won't you be stacking? won't she be stacking? won't we be stacking? won't you be stacking? won't they be stacking? | won't I have stacked? won't you have stacked? won't she have stacked? won't we have stacked? won't you have stacked? won't they have stacked? | won't I have been stacking? won't you have been stacking? won't she have been stacking? won't we have been stacking? won't you have been stacking? won't they have been stacking? |
Present | Present continuous | Past | Past continuous |
| wouldn't I stack? wouldn't you stack? wouldn't she stack? wouldn't we stack? wouldn't you stack? wouldn't they stack? | wouldn't I be stacking? wouldn't you be stacking? wouldn't she be stacking? wouldn't we be stacking? wouldn't you be stacking? wouldn't they be stacking? | wouldn't I have stacked? wouldn't you have stacked? wouldn't she have stacked? wouldn't we have stacked? wouldn't you have stacked? wouldn't they have stacked? | wouldn't I have been stacking? wouldn't you have been stacking? wouldn't she have been stacking? wouldn't we have been stacking? wouldn't you have been stacking? wouldn't they have been stacking? |
Infinitive | Imperative |
Infinitive | Imperative | ||
| to stack | - - - |
Present | Past | ||
| stacking | stacked |