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 could not gloom you could not gloom he could not gloom we could not gloom you could not gloom they could not gloom	I could not be glooming you could not be glooming he could not be glooming we could not be glooming you could not be glooming they could not be glooming
Perfect	V-ing perfect
I could not have gloomed you could not have gloomed he could not have gloomed we could not have gloomed you could not have gloomed they could not have gloomed	I could not have been glooming you could not have been glooming he could not have been glooming we could not have been glooming you could not have been glooming they could not 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
could I not gloom? could you not gloom? could he not gloom? could we not gloom? could you not gloom? could they not gloom?	could I not be glooming? could you not be glooming? could he not be glooming? could we not be glooming? could you not be glooming? could they not be glooming?
Perfect	V-ing perfect
could I not have gloomed? could you not have gloomed? could he not have gloomed? could we not have gloomed? could you not have gloomed? could they not have gloomed?	could I not have been glooming? could you not have been glooming? could he not have been glooming? could we not have been glooming? could you not have been glooming? could they not have been glooming?