English verb conjugation
MUST PHILTER

Regular verb: philter - philtered - philtered

Affirmation

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

Negation

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

Interrogative form

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

Interro-negative form

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