English verb conjugation
MUST SUFFUSE

Regular verb: suffuse - suffused - suffused

Affirmation

Simple form	V-ing form
I must suffuse you must suffuse she must suffuse we must suffuse you must suffuse they must suffuse	I must be suffusing you must be suffusing she must be suffusing we must be suffusing you must be suffusing they must be suffusing
Perfect	V-ing perfect
I must have suffused you must have suffused she must have suffused we must have suffused you must have suffused they must have suffused	I must have been suffusing you must have been suffusing she must have been suffusing we must have been suffusing you must have been suffusing they must have been suffusing

Negation

Simple form	V-ing form
I mustn't suffuse you mustn't suffuse she mustn't suffuse we mustn't suffuse you mustn't suffuse they mustn't suffuse	I mustn't be suffusing you mustn't be suffusing she mustn't be suffusing we mustn't be suffusing you mustn't be suffusing they mustn't be suffusing
Perfect	V-ing perfect
I mustn't have suffused you mustn't have suffused she mustn't have suffused we mustn't have suffused you mustn't have suffused they mustn't have suffused	I mustn't have been suffusing you mustn't have been suffusing she mustn't have been suffusing we mustn't have been suffusing you mustn't have been suffusing they mustn't have been suffusing

Interrogative form

Simple form	V-ing form
must I suffuse? must you suffuse? must she suffuse? must we suffuse? must you suffuse? must they suffuse?	must I be suffusing? must you be suffusing? must she be suffusing? must we be suffusing? must you be suffusing? must they be suffusing?
Perfect	V-ing perfect
must I have suffused? must you have suffused? must she have suffused? must we have suffused? must you have suffused? must they have suffused?	must I have been suffusing? must you have been suffusing? must she have been suffusing? must we have been suffusing? must you have been suffusing? must they have been suffusing?

Interro-negative form

Simple form	V-ing form
mustn't I suffuse? mustn't you suffuse? mustn't she suffuse? mustn't we suffuse? mustn't you suffuse? mustn't they suffuse?	mustn't I be suffusing? mustn't you be suffusing? mustn't she be suffusing? mustn't we be suffusing? mustn't you be suffusing? mustn't they be suffusing?
Perfect	V-ing perfect
mustn't I have suffused? mustn't you have suffused? mustn't she have suffused? mustn't we have suffused? mustn't you have suffused? mustn't they have suffused?	mustn't I have been suffusing? mustn't you have been suffusing? mustn't she have been suffusing? mustn't we have been suffusing? mustn't you have been suffusing? mustn't they have been suffusing?