English verb conjugation
COULD GLIMMER

Regular verb: glimmer - glimmered - glimmered

Affirmation

Simple form	V-ing form
I could glimmer you could glimmer he could glimmer we could glimmer you could glimmer they could glimmer	I could be glimmering you could be glimmering he could be glimmering we could be glimmering you could be glimmering they could be glimmering
Perfect	V-ing perfect
I could have glimmered you could have glimmered he could have glimmered we could have glimmered you could have glimmered they could have glimmered	I could have been glimmering you could have been glimmering he could have been glimmering we could have been glimmering you could have been glimmering they could have been glimmering

Negation

Simple form	V-ing form
I couldn't glimmer you couldn't glimmer he couldn't glimmer we couldn't glimmer you couldn't glimmer they couldn't glimmer	I couldn't be glimmering you couldn't be glimmering he couldn't be glimmering we couldn't be glimmering you couldn't be glimmering they couldn't be glimmering
Perfect	V-ing perfect
I couldn't have glimmered you couldn't have glimmered he couldn't have glimmered we couldn't have glimmered you couldn't have glimmered they couldn't have glimmered	I couldn't have been glimmering you couldn't have been glimmering he couldn't have been glimmering we couldn't have been glimmering you couldn't have been glimmering they couldn't have been glimmering

Interrogative form

Simple form	V-ing form
could I glimmer? could you glimmer? could he glimmer? could we glimmer? could you glimmer? could they glimmer?	could I be glimmering? could you be glimmering? could he be glimmering? could we be glimmering? could you be glimmering? could they be glimmering?
Perfect	V-ing perfect
could I have glimmered? could you have glimmered? could he have glimmered? could we have glimmered? could you have glimmered? could they have glimmered?	could I have been glimmering? could you have been glimmering? could he have been glimmering? could we have been glimmering? could you have been glimmering? could they have been glimmering?

Interro-negative form

Simple form	V-ing form
couldn't I glimmer? couldn't you glimmer? couldn't he glimmer? couldn't we glimmer? couldn't you glimmer? couldn't they glimmer?	couldn't I be glimmering? couldn't you be glimmering? couldn't he be glimmering? couldn't we be glimmering? couldn't you be glimmering? couldn't they be glimmering?
Perfect	V-ing perfect
couldn't I have glimmered? couldn't you have glimmered? couldn't he have glimmered? couldn't we have glimmered? couldn't you have glimmered? couldn't they have glimmered?	couldn't I have been glimmering? couldn't you have been glimmering? couldn't he have been glimmering? couldn't we have been glimmering? couldn't you have been glimmering? couldn't they have been glimmering?