
Regular verb: interfere - interfered - interfered
| Present | Present continuous | Preterite | Preterite continuous | 
| I interfere you interfere he interferes we interfere you interfere they interfere | I'm interfering you're interfering he's interfering we're interfering you're interfering they're interfering | I interfered you interfered he interfered we interfered you interfered they interfered | I was interfering you were interfering he was interfering we were interfering you were interfering they were interfering | 
| Present perfect | Present perfect continuous | Pluperfect | Pluperfect continuous | 
| I've interfered you've interfered he's interfered we've interfered you've interfered they've interfered | I've been interfering you've been interfering he's been interfering we've been interfering you've been interfering they've been interfering | I'd interfered you'd interfered he'd interfered we'd interfered you'd interfered they'd interfered | I'd been interfering you'd been interfering he'd been interfering we'd been interfering you'd been interfering they'd been interfering | 
| Future | Future continuous | Future perfect | Future perfect continuous | 
| I'll interfere you'll interfere he'll interfere we'll interfere you'll interfere they'll interfere | I'll be interfering you'll be interfering he'll be interfering we'll be interfering you'll be interfering they'll be interfering | I'll have interfered you'll have interfered he'll have interfered we'll have interfered you'll have interfered they'll have interfered | I'll have been interfering you'll have been interfering he'll have been interfering we'll have been interfering you'll have been interfering they'll have been interfering | 
| Present | Present continuous | Past | Past continuous | 
| I'd interfere you'd interfere he'd interfere we'd interfere you'd interfere they'd interfere | I'd be interfering you'd be interfering he'd be interfering we'd be interfering you'd be interfering they'd be interfering | I'd have interfered you'd have interfered he'd have interfered we'd have interfered you'd have interfered they'd have interfered | I'd have been interfering you'd have been interfering he'd have been interfering we'd have been interfering you'd have been interfering they'd have been interfering | 
| Infinitive | Imperative | 
| Infinitive | Imperative | ||
| to interfere | interfere Let's interfere interfere | 
| Present | Past | ||
| interfering | interfered |