English verb conjugation
COULD GLISTER

Regular verb: glister - glistered - glistered

Affirmation

Simple form	V-ing form
I could glister you could glister he could glister we could glister you could glister they could glister	I could be glistering you could be glistering he could be glistering we could be glistering you could be glistering they could be glistering
Perfect	V-ing perfect
I could have glistered you could have glistered he could have glistered we could have glistered you could have glistered they could have glistered	I could have been glistering you could have been glistering he could have been glistering we could have been glistering you could have been glistering they could have been glistering

Negation

Simple form	V-ing form
I couldn't glister you couldn't glister he couldn't glister we couldn't glister you couldn't glister they couldn't glister	I couldn't be glistering you couldn't be glistering he couldn't be glistering we couldn't be glistering you couldn't be glistering they couldn't be glistering
Perfect	V-ing perfect
I couldn't have glistered you couldn't have glistered he couldn't have glistered we couldn't have glistered you couldn't have glistered they couldn't have glistered	I couldn't have been glistering you couldn't have been glistering he couldn't have been glistering we couldn't have been glistering you couldn't have been glistering they couldn't have been glistering

Interrogative form

Simple form	V-ing form
could I glister? could you glister? could he glister? could we glister? could you glister? could they glister?	could I be glistering? could you be glistering? could he be glistering? could we be glistering? could you be glistering? could they be glistering?
Perfect	V-ing perfect
could I have glistered? could you have glistered? could he have glistered? could we have glistered? could you have glistered? could they have glistered?	could I have been glistering? could you have been glistering? could he have been glistering? could we have been glistering? could you have been glistering? could they have been glistering?

Interro-negative form

Simple form	V-ing form
couldn't I glister? couldn't you glister? couldn't he glister? couldn't we glister? couldn't you glister? couldn't they glister?	couldn't I be glistering? couldn't you be glistering? couldn't he be glistering? couldn't we be glistering? couldn't you be glistering? couldn't they be glistering?
Perfect	V-ing perfect
couldn't I have glistered? couldn't you have glistered? couldn't he have glistered? couldn't we have glistered? couldn't you have glistered? couldn't they have glistered?	couldn't I have been glistering? couldn't you have been glistering? couldn't he have been glistering? couldn't we have been glistering? couldn't you have been glistering? couldn't they have been glistering?