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