Verbo regolare: contribute - contributed - contributed
Affermazione
Forma semplice
I can contribute you can contribute he can contribute we can contribute you can contribute they can contribute
Forma con V-ing
I can be contributing you can be contributing he can be contributing we can be contributing you can be contributing they can be contributing
Perfetto
I can have contributed you can have contributed he can have contributed we can have contributed you can have contributed they can have contributed
Perfetto con V-ing
I can have been contributing you can have been contributing he can have been contributing we can have been contributing you can have been contributing they can have been contributing
Negazione
Forma semplice
I can't contribute you can't contribute he can't contribute we can't contribute you can't contribute they can't contribute
Forma con V-ing
I can't be contributing you can't be contributing he can't be contributing we can't be contributing you can't be contributing they can't be contributing
Perfetto
I can't have contributed you can't have contributed he can't have contributed we can't have contributed you can't have contributed they can't have contributed
Perfetto con V-ing
I can't have been contributing you can't have been contributing he can't have been contributing we can't have been contributing you can't have been contributing they can't have been contributing
Forma interrogativa
Forma semplice
can I contribute? can you contribute? can he contribute? can we contribute? can you contribute? can they contribute?
Forma con V-ing
can I be contributing? can you be contributing? can he be contributing? can we be contributing? can you be contributing? can they be contributing?
Perfetto
can I have contributed? can you have contributed? can he have contributed? can we have contributed? can you have contributed? can they have contributed?
Perfetto con V-ing
can I have been contributing? can you have been contributing? can he have been contributing? can we have been contributing? can you have been contributing? can they have been contributing?
Forma interro-negativa
Forma semplice
can't I contribute? can't you contribute? can't he contribute? can't we contribute? can't you contribute? can't they contribute?
Forma con V-ing
can't I be contributing? can't you be contributing? can't he be contributing? can't we be contributing? can't you be contributing? can't they be contributing?
Perfetto
can't I have contributed? can't you have contributed? can't he have contributed? can't we have contributed? can't you have contributed? can't they have contributed?
Perfetto con V-ing
can't I have been contributing? can't you have been contributing? can't he have been contributing? can't we have been contributing? can't you have been contributing? can't they have been contributing?