English verb conjugation
CAN FALTER

Regular verb: falter - faltered - faltered

Affirmation

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

Negation

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

Interrogative form

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

Interro-negative form

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