English verb conjugation
COULD SPLINTER

Regular verb: splinter - splintered - splintered

Affirmation

Simple form	V-ing form
I could splinter you could splinter he could splinter we could splinter you could splinter they could splinter	I could be splintering you could be splintering he could be splintering we could be splintering you could be splintering they could be splintering
Perfect	V-ing perfect
I could have splintered you could have splintered he could have splintered we could have splintered you could have splintered they could have splintered	I could have been splintering you could have been splintering he could have been splintering we could have been splintering you could have been splintering they could have been splintering

Negation

Simple form	V-ing form
I couldn't splinter you couldn't splinter he couldn't splinter we couldn't splinter you couldn't splinter they couldn't splinter	I couldn't be splintering you couldn't be splintering he couldn't be splintering we couldn't be splintering you couldn't be splintering they couldn't be splintering
Perfect	V-ing perfect
I couldn't have splintered you couldn't have splintered he couldn't have splintered we couldn't have splintered you couldn't have splintered they couldn't have splintered	I couldn't have been splintering you couldn't have been splintering he couldn't have been splintering we couldn't have been splintering you couldn't have been splintering they couldn't have been splintering

Interrogative form

Simple form	V-ing form
could I splinter? could you splinter? could he splinter? could we splinter? could you splinter? could they splinter?	could I be splintering? could you be splintering? could he be splintering? could we be splintering? could you be splintering? could they be splintering?
Perfect	V-ing perfect
could I have splintered? could you have splintered? could he have splintered? could we have splintered? could you have splintered? could they have splintered?	could I have been splintering? could you have been splintering? could he have been splintering? could we have been splintering? could you have been splintering? could they have been splintering?

Interro-negative form

Simple form	V-ing form
couldn't I splinter? couldn't you splinter? couldn't he splinter? couldn't we splinter? couldn't you splinter? couldn't they splinter?	couldn't I be splintering? couldn't you be splintering? couldn't he be splintering? couldn't we be splintering? couldn't you be splintering? couldn't they be splintering?
Perfect	V-ing perfect
couldn't I have splintered? couldn't you have splintered? couldn't he have splintered? couldn't we have splintered? couldn't you have splintered? couldn't they have splintered?	couldn't I have been splintering? couldn't you have been splintering? couldn't he have been splintering? couldn't we have been splintering? couldn't you have been splintering? couldn't they have been splintering?