Total verb forms: 51
| Imperatives and participles |
| Present Participle | grumping |
| Present Participle | grumped |
| Imperative | grump |
| Type | I | you | he/she/it | we | you | they |
| Present | grump | grump | grumps | grump | grump | grump |
| Past | grumped | grumped | grumped | grumped | grumped | grumped |
| Future | will grump | will grump | will grump | will grump | will grump | will grump |
| Present conditional | would grump | would grump | would grump | would grump | would grump | would grump |
| Past conditional | would have grumped | would have grumped | would have grumped | would have grumped | would have grumped | would have grumped |
| Present Perfect | have grumped | have grumped | has grumped | have grumped | have grumped | have grumped |
| Past Perfect | had grumped | had grumped | had grumped | had grumped | had grumped | had grumped |
| Future Perfect | will have grumped | will have grumped | will have grumped | will have grumped | will have grumped | will have grumped |
Conjugated verbs before and after grump
