could marinate
Verbo regular: marinate - marinated- marinated

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could marinate
you could marinate
he could marinate
we could marinate
you could marinate
they could marinate 	I could be marinating
you could be marinating
he could be marinating
we could be marinating
you could be marinating
they could be marinating	I could have marinated
you could have marinated
he could have marinated
we could have marinated
you could have marinated
they could have marinated	I could have been marinating
you could have been marinating
he could have been marinating
we could have been marinating
you could have been marinating
they could have been marinating	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I couldn't marinate
you couldn't marinate
he couldn't marinate
we couldn't marinate
you couldn't marinate
they couldn't marinate 	I couldn't be marinating
you couldn't be marinating
he couldn't be marinating
we couldn't be marinating
you couldn't be marinating
they couldn't be marinating	I couldn't have marinated
you couldn't have marinated
he couldn't have marinated
we couldn't have marinated
you couldn't have marinated
they couldn't have marinated	I couldn't have been marinating
you couldn't have been marinating
he couldn't have been marinating
we couldn't have been marinating
you couldn't have been marinating
they couldn't have been marinating	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I marinate?
could you marinate?
could he marinate?
could we marinate?
could you marinate?
could they marinate? 	could I be marinating?
could you be marinating?
could he be marinating?
could we be marinating?
could you be marinating?
could they be marinating? 	could I have marinated?
could you have marinated?
could he have marinated?
could we have marinated?
could you have marinated?
could they have marinated? 	could I have been marinating?
could you have been marinating?
could he have been marinating?
could we have been marinating?
could you have been marinating?
could they have been marinating? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
couldn't I marinate?
couldn't you marinate?
couldn't he marinate?
couldn't we marinate?
couldn't you marinate?
couldn't they marinate? 	couldn't I be marinating?
couldn't you be marinating?
couldn't he be marinating?
couldn't we be marinating?
couldn't you be marinating?
couldn't they be marinating? 	couldn't I have marinated?
couldn't you have marinated?
couldn't he have marinated?
couldn't we have marinated?
couldn't you have marinated?
couldn't they have marinated? 	couldn't I have been marinating?
couldn't you have been marinating?
couldn't he have been marinating?
couldn't we have been marinating?
couldn't you have been marinating?
couldn't they have been marinating?