I could melt you could melt he could melt we could melt you could melt they could melt
Forma con V-ing
I could be melting you could be melting he could be melting we could be melting you could be melting they could be melting
Perfecto
I could have melted you could have melted he could have melted we could have melted you could have melted they could have melted
Perfecto con V-ing
I could have been melting you could have been melting he could have been melting we could have been melting you could have been melting they could have been melting
Negación
Forma simple
I couldn't melt you couldn't melt he couldn't melt we couldn't melt you couldn't melt they couldn't melt
Forma con V-ing
I couldn't be melting you couldn't be melting he couldn't be melting we couldn't be melting you couldn't be melting they couldn't be melting
Perfecto
I couldn't have melted you couldn't have melted he couldn't have melted we couldn't have melted you couldn't have melted they couldn't have melted
Perfecto con V-ing
I couldn't have been melting you couldn't have been melting he couldn't have been melting we couldn't have been melting you couldn't have been melting they couldn't have been melting
Forma interrogativa
Forma simple
could I melt? could you melt? could he melt? could we melt? could you melt? could they melt?
Forma con V-ing
could I be melting? could you be melting? could he be melting? could we be melting? could you be melting? could they be melting?
Perfecto
could I have melted? could you have melted? could he have melted? could we have melted? could you have melted? could they have melted?
Perfecto con V-ing
could I have been melting? could you have been melting? could he have been melting? could we have been melting? could you have been melting? could they have been melting?
Forma interro-negativa
Forma simple
couldn't I melt? couldn't you melt? couldn't he melt? couldn't we melt? couldn't you melt? couldn't they melt?
Forma con V-ing
couldn't I be melting? couldn't you be melting? couldn't he be melting? couldn't we be melting? couldn't you be melting? couldn't they be melting?
Perfecto
couldn't I have melted? couldn't you have melted? couldn't he have melted? couldn't we have melted? couldn't you have melted? couldn't they have melted?
Perfecto con V-ing
couldn't I have been melting? couldn't you have been melting? couldn't he have been melting? couldn't we have been melting? couldn't you have been melting? couldn't they have been melting?