English verb conjugation
MUST DISUSE

Regular verb: disuse - disused - disused

Affirmation

Simple form	V-ing form
I must disuse you must disuse he must disuse we must disuse you must disuse they must disuse	I must be disusing you must be disusing he must be disusing we must be disusing you must be disusing they must be disusing
Perfect	V-ing perfect
I must have disused you must have disused he must have disused we must have disused you must have disused they must have disused	I must have been disusing you must have been disusing he must have been disusing we must have been disusing you must have been disusing they must have been disusing

Negation

Simple form	V-ing form
I must not disuse you must not disuse he must not disuse we must not disuse you must not disuse they must not disuse	I must not be disusing you must not be disusing he must not be disusing we must not be disusing you must not be disusing they must not be disusing
Perfect	V-ing perfect
I must not have disused you must not have disused he must not have disused we must not have disused you must not have disused they must not have disused	I must not have been disusing you must not have been disusing he must not have been disusing we must not have been disusing you must not have been disusing they must not have been disusing

Interrogative form

Simple form	V-ing form
must I disuse? must you disuse? must he disuse? must we disuse? must you disuse? must they disuse?	must I be disusing? must you be disusing? must he be disusing? must we be disusing? must you be disusing? must they be disusing?
Perfect	V-ing perfect
must I have disused? must you have disused? must he have disused? must we have disused? must you have disused? must they have disused?	must I have been disusing? must you have been disusing? must he have been disusing? must we have been disusing? must you have been disusing? must they have been disusing?

Interro-negative form

Simple form	V-ing form
must I not disuse? must you not disuse? must he not disuse? must we not disuse? must you not disuse? must they not disuse?	must I not be disusing? must you not be disusing? must he not be disusing? must we not be disusing? must you not be disusing? must they not be disusing?
Perfect	V-ing perfect
must I not have disused? must you not have disused? must he not have disused? must we not have disused? must you not have disused? must they not have disused?	must I not have been disusing? must you not have been disusing? must he not have been disusing? must we not have been disusing? must you not have been disusing? must they not have been disusing?