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