English verb conjugation
MUST CANTER

Regular verb: canter - cantered - cantered

Affirmation

Simple form	V-ing form
I must canter you must canter she must canter we must canter you must canter they must canter	I must be cantering you must be cantering she must be cantering we must be cantering you must be cantering they must be cantering
Perfect	V-ing perfect
I must have cantered you must have cantered she must have cantered we must have cantered you must have cantered they must have cantered	I must have been cantering you must have been cantering she must have been cantering we must have been cantering you must have been cantering they must have been cantering

Negation

Simple form	V-ing form
I must not canter you must not canter she must not canter we must not canter you must not canter they must not canter	I must not be cantering you must not be cantering she must not be cantering we must not be cantering you must not be cantering they must not be cantering
Perfect	V-ing perfect
I must not have cantered you must not have cantered she must not have cantered we must not have cantered you must not have cantered they must not have cantered	I must not have been cantering you must not have been cantering she must not have been cantering we must not have been cantering you must not have been cantering they must not have been cantering

Interrogative form

Simple form	V-ing form
must I canter? must you canter? must she canter? must we canter? must you canter? must they canter?	must I be cantering? must you be cantering? must she be cantering? must we be cantering? must you be cantering? must they be cantering?
Perfect	V-ing perfect
must I have cantered? must you have cantered? must she have cantered? must we have cantered? must you have cantered? must they have cantered?	must I have been cantering? must you have been cantering? must she have been cantering? must we have been cantering? must you have been cantering? must they have been cantering?

Interro-negative form

Simple form	V-ing form
must I not canter? must you not canter? must she not canter? must we not canter? must you not canter? must they not canter?	must I not be cantering? must you not be cantering? must she not be cantering? must we not be cantering? must you not be cantering? must they not be cantering?
Perfect	V-ing perfect
must I not have cantered? must you not have cantered? must she not have cantered? must we not have cantered? must you not have cantered? must they not have cantered?	must I not have been cantering? must you not have been cantering? must she not have been cantering? must we not have been cantering? must you not have been cantering? must they not have been cantering?