Verbo regular: contribute - contributed - contributed
Forma simple | Forma con V-ing |
I could contribute you could contribute she could contribute we could contribute you could contribute they could contribute | I could be contributing you could be contributing she could be contributing we could be contributing you could be contributing they could be contributing |
Perfecto | Perfecto con V-ing |
I could have contributed you could have contributed she could have contributed we could have contributed you could have contributed they could have contributed | I could have been contributing you could have been contributing she could have been contributing we could have been contributing you could have been contributing they could have been contributing |
Forma simple | Forma con V-ing |
I couldn't contribute you couldn't contribute she couldn't contribute we couldn't contribute you couldn't contribute they couldn't contribute | I couldn't be contributing you couldn't be contributing she couldn't be contributing we couldn't be contributing you couldn't be contributing they couldn't be contributing |
Perfecto | Perfecto con V-ing |
I couldn't have contributed you couldn't have contributed she couldn't have contributed we couldn't have contributed you couldn't have contributed they couldn't have contributed | I couldn't have been contributing you couldn't have been contributing she couldn't have been contributing we couldn't have been contributing you couldn't have been contributing they couldn't have been contributing |
Forma simple | Forma con V-ing |
could I contribute? could you contribute? could she contribute? could we contribute? could you contribute? could they contribute? | could I be contributing? could you be contributing? could she be contributing? could we be contributing? could you be contributing? could they be contributing? |
Perfecto | Perfecto con V-ing |
could I have contributed? could you have contributed? could she have contributed? could we have contributed? could you have contributed? could they have contributed? | could I have been contributing? could you have been contributing? could she have been contributing? could we have been contributing? could you have been contributing? could they have been contributing? |
Forma simple | Forma con V-ing |
couldn't I contribute? couldn't you contribute? couldn't she contribute? couldn't we contribute? couldn't you contribute? couldn't they contribute? | couldn't I be contributing? couldn't you be contributing? couldn't she be contributing? couldn't we be contributing? couldn't you be contributing? couldn't they be contributing? |
Perfecto | Perfecto con V-ing |
couldn't I have contributed? couldn't you have contributed? couldn't she have contributed? couldn't we have contributed? couldn't you have contributed? couldn't they have contributed? | couldn't I have been contributing? couldn't you have been contributing? couldn't she have been contributing? couldn't we have been contributing? couldn't you have been contributing? couldn't they have been contributing? |