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