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