
Verbe régulier : tough -  toughed - toughed
Traduction française : tenir bon 
| Présent | Présent continu | Prétérit | Prétérit continu | 
| I tough you tough he toughs we tough you tough they tough | I'm toughing you're toughing he's toughing we're toughing you're toughing they're toughing | I toughed you toughed he toughed we toughed you toughed they toughed | I was toughing you were toughing he was toughing we were toughing you were toughing they were toughing | 
| Present perfect | Present perfect continu | Pluperfect | Pluperfect continu | 
| I've toughed you've toughed he's toughed we've toughed you've toughed they've toughed | I've been toughing you've been toughing he's been toughing we've been toughing you've been toughing they've been toughing | I'd toughed you'd toughed he'd toughed we'd toughed you'd toughed they'd toughed | I'd been toughing you'd been toughing he'd been toughing we'd been toughing you'd been toughing they'd been toughing | 
| Futur | Futur continu | Futur antérieur | Futur antérieur continu | 
| I'll tough you'll tough he'll tough we'll tough you'll tough they'll tough | I'll be toughing you'll be toughing he'll be toughing we'll be toughing you'll be toughing they'll be toughing | I'll have toughed you'll have toughed he'll have toughed we'll have toughed you'll have toughed they'll have toughed | I'll have been toughing you'll have been toughing he'll have been toughing we'll have been toughing you'll have been toughing they'll have been toughing | 
| Présent | Présent continu | Passé | Passé continu | 
| I'd tough you'd tough he'd tough we'd tough you'd tough they'd tough | I'd be toughing you'd be toughing he'd be toughing we'd be toughing you'd be toughing they'd be toughing | I'd have toughed you'd have toughed he'd have toughed we'd have toughed you'd have toughed they'd have toughed | I'd have been toughing you'd have been toughing he'd have been toughing we'd have been toughing you'd have been toughing they'd have been toughing | 
| Infinitif | Impératif | 
| Infinitif | Impératif | ||
| to tough | tough Let's tough tough | 
| Présent | Passé | ||
| toughing | toughed |