English verb conjugation
COULD MELT

Regular verb: melt - melted - melted

Affirmation

Simple form	V-ing form
I could melt you could melt he could melt we could melt you could melt they could melt	I could be melting you could be melting he could be melting we could be melting you could be melting they could be melting
Perfect	V-ing perfect
I could have melted you could have melted he could have melted we could have melted you could have melted they could have melted	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

Negation

Simple form	V-ing form
I couldn't melt you couldn't melt he couldn't melt we couldn't melt you couldn't melt they couldn't melt	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
Perfect	V-ing perfect
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	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

Interrogative form

Simple form	V-ing form
could I melt? could you melt? could he melt? could we melt? could you melt? could they melt?	could I be melting? could you be melting? could he be melting? could we be melting? could you be melting? could they be melting?
Perfect	V-ing perfect
could I have melted? could you have melted? could he have melted? could we have melted? could you have melted? could they have melted?	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?

Interro-negative form

Simple form	V-ing form
couldn't I melt? couldn't you melt? couldn't he melt? couldn't we melt? couldn't you melt? couldn't they melt?	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?
Perfect	V-ing perfect
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?	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?