English verb conjugation
COULD GLOOM

Regular verb: gloom - gloomed - gloomed

Affirmation

Simple form	V-ing form
I could gloom you could gloom he could gloom we could gloom you could gloom they could gloom	I could be glooming you could be glooming he could be glooming we could be glooming you could be glooming they could be glooming
Perfect	V-ing perfect
I could have gloomed you could have gloomed he could have gloomed we could have gloomed you could have gloomed they could have gloomed	I could have been glooming you could have been glooming he could have been glooming we could have been glooming you could have been glooming they could have been glooming

Negation

Simple form	V-ing form
I couldn't gloom you couldn't gloom he couldn't gloom we couldn't gloom you couldn't gloom they couldn't gloom	I couldn't be glooming you couldn't be glooming he couldn't be glooming we couldn't be glooming you couldn't be glooming they couldn't be glooming
Perfect	V-ing perfect
I couldn't have gloomed you couldn't have gloomed he couldn't have gloomed we couldn't have gloomed you couldn't have gloomed they couldn't have gloomed	I couldn't have been glooming you couldn't have been glooming he couldn't have been glooming we couldn't have been glooming you couldn't have been glooming they couldn't have been glooming

Interrogative form

Simple form	V-ing form
could I gloom? could you gloom? could he gloom? could we gloom? could you gloom? could they gloom?	could I be glooming? could you be glooming? could he be glooming? could we be glooming? could you be glooming? could they be glooming?
Perfect	V-ing perfect
could I have gloomed? could you have gloomed? could he have gloomed? could we have gloomed? could you have gloomed? could they have gloomed?	could I have been glooming? could you have been glooming? could he have been glooming? could we have been glooming? could you have been glooming? could they have been glooming?

Interro-negative form

Simple form	V-ing form
couldn't I gloom? couldn't you gloom? couldn't he gloom? couldn't we gloom? couldn't you gloom? couldn't they gloom?	couldn't I be glooming? couldn't you be glooming? couldn't he be glooming? couldn't we be glooming? couldn't you be glooming? couldn't they be glooming?
Perfect	V-ing perfect
couldn't I have gloomed? couldn't you have gloomed? couldn't he have gloomed? couldn't we have gloomed? couldn't you have gloomed? couldn't they have gloomed?	couldn't I have been glooming? couldn't you have been glooming? couldn't he have been glooming? couldn't we have been glooming? couldn't you have been glooming? couldn't they have been glooming?