English verb conjugation
CAN PHILTER

Regular verb: philter - philtered - philtered

Affirmation

Simple form	V-ing form
I can philter you can philter he can philter we can philter you can philter they can philter	I can be philtering you can be philtering he can be philtering we can be philtering you can be philtering they can be philtering
Perfect	V-ing perfect
I can have philtered you can have philtered he can have philtered we can have philtered you can have philtered they can have philtered	I can have been philtering you can have been philtering he can have been philtering we can have been philtering you can have been philtering they can have been philtering

Negation

Simple form	V-ing form
I can't philter you can't philter he can't philter we can't philter you can't philter they can't philter	I can't be philtering you can't be philtering he can't be philtering we can't be philtering you can't be philtering they can't be philtering
Perfect	V-ing perfect
I can't have philtered you can't have philtered he can't have philtered we can't have philtered you can't have philtered they can't have philtered	I can't have been philtering you can't have been philtering he can't have been philtering we can't have been philtering you can't have been philtering they can't have been philtering

Interrogative form

Simple form	V-ing form
can I philter? can you philter? can he philter? can we philter? can you philter? can they philter?	can I be philtering? can you be philtering? can he be philtering? can we be philtering? can you be philtering? can they be philtering?
Perfect	V-ing perfect
can I have philtered? can you have philtered? can he have philtered? can we have philtered? can you have philtered? can they have philtered?	can I have been philtering? can you have been philtering? can he have been philtering? can we have been philtering? can you have been philtering? can they have been philtering?

Interro-negative form

Simple form	V-ing form
can't I philter? can't you philter? can't he philter? can't we philter? can't you philter? can't they philter?	can't I be philtering? can't you be philtering? can't he be philtering? can't we be philtering? can't you be philtering? can't they be philtering?
Perfect	V-ing perfect
can't I have philtered? can't you have philtered? can't he have philtered? can't we have philtered? can't you have philtered? can't they have philtered?	can't I have been philtering? can't you have been philtering? can't he have been philtering? can't we have been philtering? can't you have been philtering? can't they have been philtering?