Verbo regular: contribute - contributed - contributed
Forma simple | 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 |
Perfecto | Perfecto 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 |
Forma simple | 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 |
Perfecto | Perfecto 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 simple | 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? |
Perfecto | Perfecto 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 simple | 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? |
Perfecto | Perfecto 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? |