English verb conjugation
TO UNDERPIN
Regular verb: underpin - underpinned - underpinned
Present | Present continuous | Preterite | Preterite continuous |
| I don't underpin you don't underpin he doesn't underpin we don't underpin you don't underpin they don't underpin | I'm not underpinning you aren't underpinning he isn't underpinning we aren't underpinning you aren't underpinning they aren't underpinning | I didn't underpin you didn't underpin he didn't underpin we didn't underpin you didn't underpin they didn't underpin | I wasn't underpinning you weren't underpinning he wasn't underpinning we weren't underpinning you weren't underpinning they weren't underpinning |
Present perfect | Present perfect continuous | Pluperfect | Pluperfect continuous |
| I haven't underpinned you haven't underpinned he hasn't underpinned we haven't underpinned you haven't underpinned they haven't underpinned | I haven't been underpinning you haven't been underpinning he hasn't been underpinning we haven't been underpinning you haven't been underpinning they haven't been underpinning | I hadn't underpinned you hadn't underpinned he hadn't underpinned we hadn't underpinned you hadn't underpinned they hadn't underpinned | I hadn't been underpinning you hadn't been underpinning he hadn't been underpinning we hadn't been underpinning you hadn't been underpinning they hadn't been underpinning |
Future | Future continuous | Future perfect | Future perfect continuous |
| I won't underpin you won't underpin he won't underpin we won't underpin you won't underpin they won't underpin | I won't be underpinning you won't be underpinning he won't be underpinning we won't be underpinning you won't be underpinning they won't be underpinning | I won't have underpinned you won't have underpinned he won't have underpinned we won't have underpinned you won't have underpinned they won't have underpinned | I won't have been underpinning you won't have been underpinning he won't have been underpinning we won't have been underpinning you won't have been underpinning they won't have been underpinning |
Present | Present continuous | Past | Past continuous |
| I wouldn't underpin you wouldn't underpin he wouldn't underpin we wouldn't underpin you wouldn't underpin they wouldn't underpin | I wouldn't be underpinning you wouldn't be underpinning he wouldn't be underpinning we wouldn't be underpinning you wouldn't be underpinning they wouldn't be underpinning | I wouldn't have underpinned you wouldn't have underpinned he wouldn't have underpinned we wouldn't have underpinned you wouldn't have underpinned they wouldn't have underpinned | I wouldn't have been underpinning you wouldn't have been underpinning he wouldn't have been underpinning we wouldn't have been underpinning you wouldn't have been underpinning they wouldn't have been underpinning |
Infinitive | Imperative |
Infinitive | Imperative | ||
| to underpin | do not underpin Let's not underpin do not underpin |
Present | Past | ||
| underpinning | underpinned |