English verb conjugation
COULD GLOWER

Regular verb: glower - glowered - glowered

Affirmation

Simple form	V-ing form
I could glower you could glower she could glower we could glower you could glower they could glower	I could be glowering you could be glowering she could be glowering we could be glowering you could be glowering they could be glowering
Perfect	V-ing perfect
I could have glowered you could have glowered she could have glowered we could have glowered you could have glowered they could have glowered	I could have been glowering you could have been glowering she could have been glowering we could have been glowering you could have been glowering they could have been glowering

Negation

Simple form	V-ing form
I couldn't glower you couldn't glower she couldn't glower we couldn't glower you couldn't glower they couldn't glower	I couldn't be glowering you couldn't be glowering she couldn't be glowering we couldn't be glowering you couldn't be glowering they couldn't be glowering
Perfect	V-ing perfect
I couldn't have glowered you couldn't have glowered she couldn't have glowered we couldn't have glowered you couldn't have glowered they couldn't have glowered	I couldn't have been glowering you couldn't have been glowering she couldn't have been glowering we couldn't have been glowering you couldn't have been glowering they couldn't have been glowering

Interrogative form

Simple form	V-ing form
could I glower? could you glower? could she glower? could we glower? could you glower? could they glower?	could I be glowering? could you be glowering? could she be glowering? could we be glowering? could you be glowering? could they be glowering?
Perfect	V-ing perfect
could I have glowered? could you have glowered? could she have glowered? could we have glowered? could you have glowered? could they have glowered?	could I have been glowering? could you have been glowering? could she have been glowering? could we have been glowering? could you have been glowering? could they have been glowering?

Interro-negative form

Simple form	V-ing form
couldn't I glower? couldn't you glower? couldn't she glower? couldn't we glower? couldn't you glower? couldn't they glower?	couldn't I be glowering? couldn't you be glowering? couldn't she be glowering? couldn't we be glowering? couldn't you be glowering? couldn't they be glowering?
Perfect	V-ing perfect
couldn't I have glowered? couldn't you have glowered? couldn't she have glowered? couldn't we have glowered? couldn't you have glowered? couldn't they have glowered?	couldn't I have been glowering? couldn't you have been glowering? couldn't she have been glowering? couldn't we have been glowering? couldn't you have been glowering? couldn't they have been glowering?