Regular verb: underperform - underperformed - underperformed
Present | Present continuous | Preterite | Preterite continuous |
do I not underperform? do you not underperform? does he not underperform? do we not underperform? do you not underperform? do they not underperform? | am I not underperforming? are you not underperforming? is he not underperforming? are we not underperforming? are you not underperforming? are they not underperforming? | did I not underperform? did you not underperform? did he not underperform? did we not underperform? did you not underperform? did they not underperform? | was I not underperforming? were you not underperforming? was he not underperforming? were we not underperforming? were you not underperforming? were they not underperforming? |
Present perfect | Present perfect continuous | Pluperfect | Pluperfect continuous |
have I not underperformed? have you not underperformed? has he not underperformed? have we not underperformed? have you not underperformed? have they not underperformed? | have I not been underperforming? have you not been underperforming? has he not been underperforming? have we not been underperforming? have you not been underperforming? have they not been underperforming? | had I not underperformed? had you not underperformed? had he not underperformed? had we not underperformed? had you not underperformed? had they not underperformed? | had I not been underperforming? had you not been underperforming? had he not been underperforming? had we not been underperforming? had you not been underperforming? had they not been underperforming? |
Future | Future continuous | Future perfect | Future perfect continuous |
will I not underperform? will you not underperform? will he not underperform? will we not underperform? will you not underperform? will they not underperform? | will I not be underperforming? will you not be underperforming? will he not be underperforming? will we not be underperforming? will you not be underperforming? will they not be underperforming? | will I not have underperformed? will you not have underperformed? will he not have underperformed? will we not have underperformed? will you not have underperformed? will they not have underperformed? | will I not have been underperforming? will you not have been underperforming? will he not have been underperforming? will we not have been underperforming? will you not have been underperforming? will they not have been underperforming? |
Present | Present continuous | Past | Past continuous |
would I not underperform? would you not underperform? would he not underperform? would we not underperform? would you not underperform? would they not underperform? | would I not be underperforming? would you not be underperforming? would he not be underperforming? would we not be underperforming? would you not be underperforming? would they not be underperforming? | would I not have underperformed? would you not have underperformed? would he not have underperformed? would we not have underperformed? would you not have underperformed? would they not have underperformed? | would I not have been underperforming? would you not have been underperforming? would he not have been underperforming? would we not have been underperforming? would you not have been underperforming? would they not have been underperforming? |
Infinitive | Imperative |
Infinitive | Imperative | ||
to underperform | - - - |
Present | Past | ||
underperforming | underperformed |