I could donate you could donate he could donate we could donate you could donate they could donate
Forma con V-ing
I could be donating you could be donating he could be donating we could be donating you could be donating they could be donating
Perfecto
I could have donated you could have donated he could have donated we could have donated you could have donated they could have donated
Perfecto con V-ing
I could have been donating you could have been donating he could have been donating we could have been donating you could have been donating they could have been donating
Negación
Forma simple
I couldn't donate you couldn't donate he couldn't donate we couldn't donate you couldn't donate they couldn't donate
Forma con V-ing
I couldn't be donating you couldn't be donating he couldn't be donating we couldn't be donating you couldn't be donating they couldn't be donating
Perfecto
I couldn't have donated you couldn't have donated he couldn't have donated we couldn't have donated you couldn't have donated they couldn't have donated
Perfecto con V-ing
I couldn't have been donating you couldn't have been donating he couldn't have been donating we couldn't have been donating you couldn't have been donating they couldn't have been donating
Forma interrogativa
Forma simple
could I donate? could you donate? could he donate? could we donate? could you donate? could they donate?
Forma con V-ing
could I be donating? could you be donating? could he be donating? could we be donating? could you be donating? could they be donating?
Perfecto
could I have donated? could you have donated? could he have donated? could we have donated? could you have donated? could they have donated?
Perfecto con V-ing
could I have been donating? could you have been donating? could he have been donating? could we have been donating? could you have been donating? could they have been donating?
Forma interro-negativa
Forma simple
couldn't I donate? couldn't you donate? couldn't he donate? couldn't we donate? couldn't you donate? couldn't they donate?
Forma con V-ing
couldn't I be donating? couldn't you be donating? couldn't he be donating? couldn't we be donating? couldn't you be donating? couldn't they be donating?
Perfecto
couldn't I have donated? couldn't you have donated? couldn't he have donated? couldn't we have donated? couldn't you have donated? couldn't they have donated?
Perfecto con V-ing
couldn't I have been donating? couldn't you have been donating? couldn't he have been donating? couldn't we have been donating? couldn't you have been donating? couldn't they have been donating?