Conjugación del verbo inglés
COULD DO DO

Verbo regular: do do - do doed - do doed

Atención, este verbo puede no existir, se da como ejemplo la conjugación.

Afirmación

Forma simple	Forma con V-ing
I could do do you could do do she could do do we could do do you could do do they could do do	I could be do doing you could be do doing she could be do doing we could be do doing you could be do doing they could be do doing
Perfecto	Perfecto con V-ing
I could have do doed you could have do doed she could have do doed we could have do doed you could have do doed they could have do doed	I could have been do doing you could have been do doing she could have been do doing we could have been do doing you could have been do doing they could have been do doing

Negación

Forma simple	Forma con V-ing
I couldn't do do you couldn't do do she couldn't do do we couldn't do do you couldn't do do they couldn't do do	I couldn't be do doing you couldn't be do doing she couldn't be do doing we couldn't be do doing you couldn't be do doing they couldn't be do doing
Perfecto	Perfecto con V-ing
I couldn't have do doed you couldn't have do doed she couldn't have do doed we couldn't have do doed you couldn't have do doed they couldn't have do doed	I couldn't have been do doing you couldn't have been do doing she couldn't have been do doing we couldn't have been do doing you couldn't have been do doing they couldn't have been do doing

Forma interrogativa

Forma simple	Forma con V-ing
could I do do? could you do do? could she do do? could we do do? could you do do? could they do do?	could I be do doing? could you be do doing? could she be do doing? could we be do doing? could you be do doing? could they be do doing?
Perfecto	Perfecto con V-ing
could I have do doed? could you have do doed? could she have do doed? could we have do doed? could you have do doed? could they have do doed?	could I have been do doing? could you have been do doing? could she have been do doing? could we have been do doing? could you have been do doing? could they have been do doing?

Forma interro-negativa

Forma simple	Forma con V-ing
couldn't I do do? couldn't you do do? couldn't she do do? couldn't we do do? couldn't you do do? couldn't they do do?	couldn't I be do doing? couldn't you be do doing? couldn't she be do doing? couldn't we be do doing? couldn't you be do doing? couldn't they be do doing?
Perfecto	Perfecto con V-ing
couldn't I have do doed? couldn't you have do doed? couldn't she have do doed? couldn't we have do doed? couldn't you have do doed? couldn't they have do doed?	couldn't I have been do doing? couldn't you have been do doing? couldn't she have been do doing? couldn't we have been do doing? couldn't you have been do doing? couldn't they have been do doing?