English verb conjugation
TO STIFFEN
Regular verb: stiffen - stiffened - stiffened
Present | Present continuous | Preterite | Preterite continuous |
| do I not stiffen? do you not stiffen? does he not stiffen? do we not stiffen? do you not stiffen? do they not stiffen? | am I not stiffening? are you not stiffening? is he not stiffening? are we not stiffening? are you not stiffening? are they not stiffening? | did I not stiffen? did you not stiffen? did he not stiffen? did we not stiffen? did you not stiffen? did they not stiffen? | was I not stiffening? were you not stiffening? was he not stiffening? were we not stiffening? were you not stiffening? were they not stiffening? |
Present perfect | Present perfect continuous | Pluperfect | Pluperfect continuous |
| have I not stiffened? have you not stiffened? has he not stiffened? have we not stiffened? have you not stiffened? have they not stiffened? | have I not been stiffening? have you not been stiffening? has he not been stiffening? have we not been stiffening? have you not been stiffening? have they not been stiffening? | had I not stiffened? had you not stiffened? had he not stiffened? had we not stiffened? had you not stiffened? had they not stiffened? | had I not been stiffening? had you not been stiffening? had he not been stiffening? had we not been stiffening? had you not been stiffening? had they not been stiffening? |
Future | Future continuous | Future perfect | Future perfect continuous |
| will I not stiffen? will you not stiffen? will he not stiffen? will we not stiffen? will you not stiffen? will they not stiffen? | will I not be stiffening? will you not be stiffening? will he not be stiffening? will we not be stiffening? will you not be stiffening? will they not be stiffening? | will I not have stiffened? will you not have stiffened? will he not have stiffened? will we not have stiffened? will you not have stiffened? will they not have stiffened? | will I not have been stiffening? will you not have been stiffening? will he not have been stiffening? will we not have been stiffening? will you not have been stiffening? will they not have been stiffening? |
Present | Present continuous | Past | Past continuous |
| would I not stiffen? would you not stiffen? would he not stiffen? would we not stiffen? would you not stiffen? would they not stiffen? | would I not be stiffening? would you not be stiffening? would he not be stiffening? would we not be stiffening? would you not be stiffening? would they not be stiffening? | would I not have stiffened? would you not have stiffened? would he not have stiffened? would we not have stiffened? would you not have stiffened? would they not have stiffened? | would I not have been stiffening? would you not have been stiffening? would he not have been stiffening? would we not have been stiffening? would you not have been stiffening? would they not have been stiffening? |
Infinitive | Imperative |
Infinitive | Imperative | ||
| to stiffen | - - - |
Present | Past | ||
| stiffening | stiffened |