Coniugazione del verbo inglese
CAN CONTRIBUTE

Verbo regolare: contribute - contributed - contributed

Affermazione

Forma semplice	Forma con V-ing
I can contribute you can contribute he can contribute we can contribute you can contribute they can contribute	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	Perfetto con V-ing
I can have contributed you can have contributed he can have contributed we can have contributed you can have contributed they can have contributed	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	Forma con V-ing
I can't contribute you can't contribute he can't contribute we can't contribute you can't contribute they can't contribute	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	Perfetto con V-ing
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	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	Forma con V-ing
can I contribute? can you contribute? can he contribute? can we contribute? can you contribute? can they contribute?	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	Perfetto con V-ing
can I have contributed? can you have contributed? can he have contributed? can we have contributed? can you have contributed? can they have contributed?	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	Forma con V-ing
can't I contribute? can't you contribute? can't he contribute? can't we contribute? can't you contribute? can't they contribute?	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	Perfetto con V-ing
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?	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?