Conjugación del verbo inglés
COULD FILL

Verbo regular: fill - filled - filled

Afirmación

Forma simple	Forma con V-ing
I could fill you could fill he could fill we could fill you could fill they could fill	I could be filling you could be filling he 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 he 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 he 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 couldn't fill you couldn't fill he couldn't fill we couldn't fill you couldn't fill they couldn't fill	I couldn't be filling you couldn't be filling he couldn't be filling we couldn't be filling you couldn't be filling they couldn't be filling
Perfecto	Perfecto con V-ing
I couldn't have filled you couldn't have filled he couldn't have filled we couldn't have filled you couldn't have filled they couldn't have filled	I couldn't have been filling you couldn't have been filling he couldn't have been filling we couldn't have been filling you couldn't have been filling they couldn't have been filling

Forma interrogativa

Forma simple	Forma con V-ing
could I fill? could you fill? could he fill? could we fill? could you fill? could they fill?	could I be filling? could you be filling? could he 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 he 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 he 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
couldn't I fill? couldn't you fill? couldn't he fill? couldn't we fill? couldn't you fill? couldn't they fill?	couldn't I be filling? couldn't you be filling? couldn't he be filling? couldn't we be filling? couldn't you be filling? couldn't they be filling?
Perfecto	Perfecto con V-ing
couldn't I have filled? couldn't you have filled? couldn't he have filled? couldn't we have filled? couldn't you have filled? couldn't they have filled?	couldn't I have been filling? couldn't you have been filling? couldn't he have been filling? couldn't we have been filling? couldn't you have been filling? couldn't they have been filling?