Regular verb: contribute - contributed - contributed
Present | Present continuous | Preterite | Preterite continuous |
I contribute you contribute she contributes we contribute you contribute they contribute | I'm contributing you're contributing she's contributing we're contributing you're contributing they're contributing | I contributed you contributed she contributed we contributed you contributed they contributed | I was contributing you were contributing she was contributing we were contributing you were contributing they were contributing |
Present perfect | Present perfect continuous | Pluperfect | Pluperfect continuous |
I've contributed you've contributed she's contributed we've contributed you've contributed they've contributed | I've been contributing you've been contributing she's been contributing we've been contributing you've been contributing they've been contributing | I'd contributed you'd contributed she'd contributed we'd contributed you'd contributed they'd contributed | I'd been contributing you'd been contributing she'd been contributing we'd been contributing you'd been contributing they'd been contributing |
Future | Future continuous | Future perfect | Future perfect continuous |
I'll contribute you'll contribute she'll contribute we'll contribute you'll contribute they'll contribute | I'll be contributing you'll be contributing she'll be contributing we'll be contributing you'll be contributing they'll be contributing | I'll have contributed you'll have contributed she'll have contributed we'll have contributed you'll have contributed they'll have contributed | I'll have been contributing you'll have been contributing she'll have been contributing we'll have been contributing you'll have been contributing they'll have been contributing |
Present | Present continuous | Past | Past continuous |
I'd contribute you'd contribute she'd contribute we'd contribute you'd contribute they'd contribute | I'd be contributing you'd be contributing she'd be contributing we'd be contributing you'd be contributing they'd be contributing | I'd have contributed you'd have contributed she'd have contributed we'd have contributed you'd have contributed they'd have contributed | I'd have been contributing you'd have been contributing she'd have been contributing we'd have been contributing you'd have been contributing they'd have been contributing |
Infinitive | Imperative |
Infinitive | Imperative | ||
to contribute | contribute Let's contribute contribute |
Present | Past | ||
contributing | contributed |