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