
Verbe régulier : alter -  altered - altered
Traduction française : changer 
| Présent | Présent continu | Prétérit | Prétérit continu | 
| I alter you alter she alters we alter you alter they alter | I'm altering you're altering she's altering we're altering you're altering they're altering | I altered you altered she altered we altered you altered they altered | I was altering you were altering she was altering we were altering you were altering they were altering | 
| Present perfect | Present perfect continu | Pluperfect | Pluperfect continu | 
| I've altered you've altered she's altered we've altered you've altered they've altered | I've been altering you've been altering she's been altering we've been altering you've been altering they've been altering | I'd altered you'd altered she'd altered we'd altered you'd altered they'd altered | I'd been altering you'd been altering she'd been altering we'd been altering you'd been altering they'd been altering | 
| Futur | Futur continu | Futur antérieur | Futur antérieur continu | 
| I'll alter you'll alter she'll alter we'll alter you'll alter they'll alter | I'll be altering you'll be altering she'll be altering we'll be altering you'll be altering they'll be altering | I'll have altered you'll have altered she'll have altered we'll have altered you'll have altered they'll have altered | I'll have been altering you'll have been altering she'll have been altering we'll have been altering you'll have been altering they'll have been altering | 
| Présent | Présent continu | Passé | Passé continu | 
| I'd alter you'd alter she'd alter we'd alter you'd alter they'd alter | I'd be altering you'd be altering she'd be altering we'd be altering you'd be altering they'd be altering | I'd have altered you'd have altered she'd have altered we'd have altered you'd have altered they'd have altered | I'd have been altering you'd have been altering she'd have been altering we'd have been altering you'd have been altering they'd have been altering | 
| Infinitif | Impératif | 
| Infinitif | Impératif | ||
| to alter | alter Let's alter alter | 
| Présent | Passé | ||
| altering | altered |