
Regular verb: underachieve - underachieved - underachieved
Present | Present continuous | Preterite | Preterite continuous |
| I underachieve you underachieve he underachieves we underachieve you underachieve they underachieve | I'm underachieving you're underachieving he's underachieving we're underachieving you're underachieving they're underachieving | I underachieved you underachieved he underachieved we underachieved you underachieved they underachieved | I was underachieving you were underachieving he was underachieving we were underachieving you were underachieving they were underachieving |
Present perfect | Present perfect continuous | Pluperfect | Pluperfect continuous |
| I've underachieved you've underachieved he's underachieved we've underachieved you've underachieved they've underachieved | I've been underachieving you've been underachieving he's been underachieving we've been underachieving you've been underachieving they've been underachieving | I'd underachieved you'd underachieved he'd underachieved we'd underachieved you'd underachieved they'd underachieved | I'd been underachieving you'd been underachieving he'd been underachieving we'd been underachieving you'd been underachieving they'd been underachieving |
Future | Future continuous | Future perfect | Future perfect continuous |
| I'll underachieve you'll underachieve he'll underachieve we'll underachieve you'll underachieve they'll underachieve | I'll be underachieving you'll be underachieving he'll be underachieving we'll be underachieving you'll be underachieving they'll be underachieving | I'll have underachieved you'll have underachieved he'll have underachieved we'll have underachieved you'll have underachieved they'll have underachieved | I'll have been underachieving you'll have been underachieving he'll have been underachieving we'll have been underachieving you'll have been underachieving they'll have been underachieving |
Present | Present continuous | Past | Past continuous |
| I'd underachieve you'd underachieve he'd underachieve we'd underachieve you'd underachieve they'd underachieve | I'd be underachieving you'd be underachieving he'd be underachieving we'd be underachieving you'd be underachieving they'd be underachieving | I'd have underachieved you'd have underachieved he'd have underachieved we'd have underachieved you'd have underachieved they'd have underachieved | I'd have been underachieving you'd have been underachieving he'd have been underachieving we'd have been underachieving you'd have been underachieving they'd have been underachieving |
Infinitive | Imperative |
Infinitive | Imperative | ||
| to underachieve | underachieve Let's underachieve underachieve |
Present | Past | ||
| underachieving | underachieved |