
Verbo regular: check - checked - checked
| Presente | Presente contínuo | Pretérito | Preterito contínuo | 
| I check you check he checks we check you check they check | I'm checking you're checking he's checking we're checking you're checking they're checking | I checked you checked he checked we checked you checked they checked | I was checking you were checking he was checking we were checking you were checking they were checking | 
| Presente perfeito | Presente perfeito contínuo | Mais perfeito | Contínuo mais perfeito | 
| I've checked you've checked he's checked we've checked you've checked they've checked | I've been checking you've been checking he's been checking we've been checking you've been checking they've been checking | I'd checked you'd checked he'd checked we'd checked you'd checked they'd checked | I'd been checking you'd been checking he'd been checking we'd been checking you'd been checking they'd been checking | 
| Futuro | Futuro contínuo | futuro perfeito | futuro perfeito contínuo | 
| I'll check you'll check he'll check we'll check you'll check they'll check | I'll be checking you'll be checking he'll be checking we'll be checking you'll be checking they'll be checking | I'll have checked you'll have checked he'll have checked we'll have checked you'll have checked they'll have checked | I'll have been checking you'll have been checking he'll have been checking we'll have been checking you'll have been checking they'll have been checking | 
| Presente | Presente contínuo | Passado | Passado contínuo | 
| I'd check you'd check he'd check we'd check you'd check they'd check | I'd be checking you'd be checking he'd be checking we'd be checking you'd be checking they'd be checking | I'd have checked you'd have checked he'd have checked we'd have checked you'd have checked they'd have checked | I'd have been checking you'd have been checking he'd have been checking we'd have been checking you'd have been checking they'd have been checking | 
| Infinitivo | Imperativo | 
| Infinitivo | Imperativo | ||
| to check | check Let's check check | 
| Presente | Passado | ||
| checking | checked |