Conjugación del verbo inglés
COULD FILL

Verbo regular: fill - filled - filled

Afirmación

Forma simple	Forma con V-ing
I could fill you could fill she could fill we could fill you could fill they could fill	I could be filling you could be filling she could be filling we could be filling you could be filling they could be filling
Perfecto	Perfecto con V-ing
I could have filled you could have filled she could have filled we could have filled you could have filled they could have filled	I could have been filling you could have been filling she could have been filling we could have been filling you could have been filling they could have been filling

Negación

Forma simple	Forma con V-ing
I could not fill you could not fill she could not fill we could not fill you could not fill they could not fill	I could not be filling you could not be filling she could not be filling we could not be filling you could not be filling they could not be filling
Perfecto	Perfecto con V-ing
I could not have filled you could not have filled she could not have filled we could not have filled you could not have filled they could not have filled	I could not have been filling you could not have been filling she could not have been filling we could not have been filling you could not have been filling they could not have been filling

Forma interrogativa

Forma simple	Forma con V-ing
could I fill? could you fill? could she fill? could we fill? could you fill? could they fill?	could I be filling? could you be filling? could she be filling? could we be filling? could you be filling? could they be filling?
Perfecto	Perfecto con V-ing
could I have filled? could you have filled? could she have filled? could we have filled? could you have filled? could they have filled?	could I have been filling? could you have been filling? could she have been filling? could we have been filling? could you have been filling? could they have been filling?

Forma interro-negativa

Forma simple	Forma con V-ing
could I not fill? could you not fill? could she not fill? could we not fill? could you not fill? could they not fill?	could I not be filling? could you not be filling? could she not be filling? could we not be filling? could you not be filling? could they not be filling?
Perfecto	Perfecto con V-ing
could I not have filled? could you not have filled? could she not have filled? could we not have filled? could you not have filled? could they not have filled?	could I not have been filling? could you not have been filling? could she not have been filling? could we not have been filling? could you not have been filling? could they not have been filling?