Conjugación del verbo inglés
COULD PROLIFERATE

Verbo regular: proliferate - proliferated - proliferated

Afirmación

Forma simple	Forma con V-ing
I could proliferate you could proliferate he could proliferate we could proliferate you could proliferate they could proliferate	I could be proliferating you could be proliferating he could be proliferating we could be proliferating you could be proliferating they could be proliferating
Perfecto	Perfecto con V-ing
I could have proliferated you could have proliferated he could have proliferated we could have proliferated you could have proliferated they could have proliferated	I could have been proliferating you could have been proliferating he could have been proliferating we could have been proliferating you could have been proliferating they could have been proliferating

Negación

Forma simple	Forma con V-ing
I couldn't proliferate you couldn't proliferate he couldn't proliferate we couldn't proliferate you couldn't proliferate they couldn't proliferate	I couldn't be proliferating you couldn't be proliferating he couldn't be proliferating we couldn't be proliferating you couldn't be proliferating they couldn't be proliferating
Perfecto	Perfecto con V-ing
I couldn't have proliferated you couldn't have proliferated he couldn't have proliferated we couldn't have proliferated you couldn't have proliferated they couldn't have proliferated	I couldn't have been proliferating you couldn't have been proliferating he couldn't have been proliferating we couldn't have been proliferating you couldn't have been proliferating they couldn't have been proliferating

Forma interrogativa

Forma simple	Forma con V-ing
could I proliferate? could you proliferate? could he proliferate? could we proliferate? could you proliferate? could they proliferate?	could I be proliferating? could you be proliferating? could he be proliferating? could we be proliferating? could you be proliferating? could they be proliferating?
Perfecto	Perfecto con V-ing
could I have proliferated? could you have proliferated? could he have proliferated? could we have proliferated? could you have proliferated? could they have proliferated?	could I have been proliferating? could you have been proliferating? could he have been proliferating? could we have been proliferating? could you have been proliferating? could they have been proliferating?

Forma interro-negativa

Forma simple	Forma con V-ing
couldn't I proliferate? couldn't you proliferate? couldn't he proliferate? couldn't we proliferate? couldn't you proliferate? couldn't they proliferate?	couldn't I be proliferating? couldn't you be proliferating? couldn't he be proliferating? couldn't we be proliferating? couldn't you be proliferating? couldn't they be proliferating?
Perfecto	Perfecto con V-ing
couldn't I have proliferated? couldn't you have proliferated? couldn't he have proliferated? couldn't we have proliferated? couldn't you have proliferated? couldn't they have proliferated?	couldn't I have been proliferating? couldn't you have been proliferating? couldn't he have been proliferating? couldn't we have been proliferating? couldn't you have been proliferating? couldn't they have been proliferating?