English verb conjugation
COULD FALTER

Regular verb: falter - faltered - faltered

Affirmation

Simple form	V-ing form
I could falter you could falter he could falter we could falter you could falter they could falter	I could be faltering you could be faltering he could be faltering we could be faltering you could be faltering they could be faltering
Perfect	V-ing perfect
I could have faltered you could have faltered he could have faltered we could have faltered you could have faltered they could have faltered	I could have been faltering you could have been faltering he could have been faltering we could have been faltering you could have been faltering they could have been faltering

Negation

Simple form	V-ing form
I couldn't falter you couldn't falter he couldn't falter we couldn't falter you couldn't falter they couldn't falter	I couldn't be faltering you couldn't be faltering he couldn't be faltering we couldn't be faltering you couldn't be faltering they couldn't be faltering
Perfect	V-ing perfect
I couldn't have faltered you couldn't have faltered he couldn't have faltered we couldn't have faltered you couldn't have faltered they couldn't have faltered	I couldn't have been faltering you couldn't have been faltering he couldn't have been faltering we couldn't have been faltering you couldn't have been faltering they couldn't have been faltering

Interrogative form

Simple form	V-ing form
could I falter? could you falter? could he falter? could we falter? could you falter? could they falter?	could I be faltering? could you be faltering? could he be faltering? could we be faltering? could you be faltering? could they be faltering?
Perfect	V-ing perfect
could I have faltered? could you have faltered? could he have faltered? could we have faltered? could you have faltered? could they have faltered?	could I have been faltering? could you have been faltering? could he have been faltering? could we have been faltering? could you have been faltering? could they have been faltering?

Interro-negative form

Simple form	V-ing form
couldn't I falter? couldn't you falter? couldn't he falter? couldn't we falter? couldn't you falter? couldn't they falter?	couldn't I be faltering? couldn't you be faltering? couldn't he be faltering? couldn't we be faltering? couldn't you be faltering? couldn't they be faltering?
Perfect	V-ing perfect
couldn't I have faltered? couldn't you have faltered? couldn't he have faltered? couldn't we have faltered? couldn't you have faltered? couldn't they have faltered?	couldn't I have been faltering? couldn't you have been faltering? couldn't he have been faltering? couldn't we have been faltering? couldn't you have been faltering? couldn't they have been faltering?