English verb conjugation
COULD GLITTER

Regular verb: glitter - glittered - glittered

Affirmation

Simple form	V-ing form
I could glitter you could glitter he could glitter we could glitter you could glitter they could glitter	I could be glittering you could be glittering he could be glittering we could be glittering you could be glittering they could be glittering
Perfect	V-ing perfect
I could have glittered you could have glittered he could have glittered we could have glittered you could have glittered they could have glittered	I could have been glittering you could have been glittering he could have been glittering we could have been glittering you could have been glittering they could have been glittering

Negation

Simple form	V-ing form
I could not glitter you could not glitter he could not glitter we could not glitter you could not glitter they could not glitter	I could not be glittering you could not be glittering he could not be glittering we could not be glittering you could not be glittering they could not be glittering
Perfect	V-ing perfect
I could not have glittered you could not have glittered he could not have glittered we could not have glittered you could not have glittered they could not have glittered	I could not have been glittering you could not have been glittering he could not have been glittering we could not have been glittering you could not have been glittering they could not have been glittering

Interrogative form

Simple form	V-ing form
could I glitter? could you glitter? could he glitter? could we glitter? could you glitter? could they glitter?	could I be glittering? could you be glittering? could he be glittering? could we be glittering? could you be glittering? could they be glittering?
Perfect	V-ing perfect
could I have glittered? could you have glittered? could he have glittered? could we have glittered? could you have glittered? could they have glittered?	could I have been glittering? could you have been glittering? could he have been glittering? could we have been glittering? could you have been glittering? could they have been glittering?

Interro-negative form

Simple form	V-ing form
could I not glitter? could you not glitter? could he not glitter? could we not glitter? could you not glitter? could they not glitter?	could I not be glittering? could you not be glittering? could he not be glittering? could we not be glittering? could you not be glittering? could they not be glittering?
Perfect	V-ing perfect
could I not have glittered? could you not have glittered? could he not have glittered? could we not have glittered? could you not have glittered? could they not have glittered?	could I not have been glittering? could you not have been glittering? could he not have been glittering? could we not have been glittering? could you not have been glittering? could they not have been glittering?