English verb conjugation
TO STACK
Regular verb: stack - stacked - stacked
Present | Present continuous | Preterite | Preterite continuous |
| do I stack? do you stack? does he stack? do we stack? do you stack? do they stack? | am I stacking? are you stacking? is he stacking? are we stacking? are you stacking? are they stacking? | did I stack? did you stack? did he stack? did we stack? did you stack? did they stack? | was I stacking? were you stacking? was he stacking? were we stacking? were you stacking? were they stacking? |
Present perfect | Present perfect continuous | Pluperfect | Pluperfect continuous |
| have I stacked? have you stacked? has he stacked? have we stacked? have you stacked? have they stacked? | have I been stacking? have you been stacking? has he been stacking? have we been stacking? have you been stacking? have they been stacking? | had I stacked? had you stacked? had he stacked? had we stacked? had you stacked? had they stacked? | had I been stacking? had you been stacking? had he been stacking? had we been stacking? had you been stacking? had they been stacking? |
Future | Future continuous | Future perfect | Future perfect continuous |
| will I stack? will you stack? will he stack? will we stack? will you stack? will they stack? | will I be stacking? will you be stacking? will he be stacking? will we be stacking? will you be stacking? will they be stacking? | will I have stacked? will you have stacked? will he have stacked? will we have stacked? will you have stacked? will they have stacked? | will I have been stacking? will you have been stacking? will he have been stacking? will we have been stacking? will you have been stacking? will they have been stacking? |
Present | Present continuous | Past | Past continuous |
| would I stack? would you stack? would he stack? would we stack? would you stack? would they stack? | would I be stacking? would you be stacking? would he be stacking? would we be stacking? would you be stacking? would they be stacking? | would I have stacked? would you have stacked? would he have stacked? would we have stacked? would you have stacked? would they have stacked? | would I have been stacking? would you have been stacking? would he have been stacking? would we have been stacking? would you have been stacking? would they have been stacking? |
Infinitive | Imperative |
Infinitive | Imperative | ||
| to stack | - - - |
Present | Past | ||
| stacking | stacked |