to contribute
Verbo regolare: contribute - contributed- contributed

Indicativo 	
Presente 	Presente continuo 	Preterito 	Preterite continua 	
I contribute
you contribute
he contributes
we contribute
you contribute
they contribute 	I'mcontributing
you'recontributing
he'scontributing
we'recontributing
you'recontributing
they'recontributing	I contributed
you contributed
he contributed
we contributed
you contributed
they contributed	Iwascontributing
youwerecontributing
hewascontributing
wewerecontributing
youwerecontributing
theywerecontributing	
Presente perfetto 	Presente perfetto continuo 	Piuccheperfetto 	Piuccheperfetto continuo 	
I've contributed
you've contributed
he's contributed
we've contributed
you've contributed
they've contributed	I'vebeen contributing
you'vebeen contributing
he'sbeen contributing
we'vebeen contributing
you'vebeen contributing
they'vebeen contributing	I'd contributed
you'd contributed
he'd contributed
we'd contributed
you'd contributed
they'd contributed	I'd been contributing
you'd been contributing
he'd been contributing
we'd been contributing
you'd been contributing
they'd been contributing	
Futuro semplice 	Futuro continuo 	Futuro anteriore 	Futuro anteriore contínuo 	
I'll contribute
you'll contribute
he'll contribute
we'll contribute
you'll contribute
they'll contribute 	I'll be contributing
you'll be contributing
he'll be contributing
we'll be contributing
you'll be contributing
they'll be contributing	I'll have contributed
you'll have contributed
he'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
he'll have been contributing
we'll have been contributing
you'll have been contributing
they'll have been contributing	

Condizionale 	
Presente 	Presente continuo 	Passato 	Passato continuo 	
I'd contribute
you'd contribute
he'd contribute
we'd contribute
you'd contribute
they'd contribute 	I'd be contributing
you'd be contributing
he'd be contributing
we'd be contributing
you'd be contributing
they'd be contributing	I'd have contributed
you'd have contributed
he'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
he'd have been contributing
we'd have been contributing
you'd have been contributing
they'd have been contributing	

Infinito 	
Imperativo 	
Infinito 	 	Imperativo 	 	
to contribute 	 	contribute
Let's contribute
contribute 	 	

Participio 	
Presente 	Passato 	 	 	
contributing	contributed