
Regular verb: grump - grumped - grumped
Present | Present continuous | Preterite | Preterite continuous |
| I grump you grump she grumps we grump you grump they grump | I'm grumping you're grumping she's grumping we're grumping you're grumping they're grumping | I grumped you grumped she grumped we grumped you grumped they grumped | I was grumping you were grumping she 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 she's grumped we've grumped you've grumped they've grumped | I've been grumping you've been grumping she's been grumping we've been grumping you've been grumping they've been grumping | I'd grumped you'd grumped she'd grumped we'd grumped you'd grumped they'd grumped | I'd been grumping you'd been grumping she'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 she'll grump we'll grump you'll grump they'll grump | I'll be grumping you'll be grumping she'll be grumping we'll be grumping you'll be grumping they'll be grumping | I'll have grumped you'll have grumped she'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 she'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 she'd grump we'd grump you'd grump they'd grump | I'd be grumping you'd be grumping she'd be grumping we'd be grumping you'd be grumping they'd be grumping | I'd have grumped you'd have grumped she'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 she'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 |