English verb conjugation
MUST CIRCUMFUSE

Regular verb: circumfuse - circumfused - circumfused

Affirmation

Simple form	V-ing form
I must circumfuse you must circumfuse she must circumfuse we must circumfuse you must circumfuse they must circumfuse	I must be circumfusing you must be circumfusing she must be circumfusing we must be circumfusing you must be circumfusing they must be circumfusing
Perfect	V-ing perfect
I must have circumfused you must have circumfused she must have circumfused we must have circumfused you must have circumfused they must have circumfused	I must have been circumfusing you must have been circumfusing she must have been circumfusing we must have been circumfusing you must have been circumfusing they must have been circumfusing

Negation

Simple form	V-ing form
I mustn't circumfuse you mustn't circumfuse she mustn't circumfuse we mustn't circumfuse you mustn't circumfuse they mustn't circumfuse	I mustn't be circumfusing you mustn't be circumfusing she mustn't be circumfusing we mustn't be circumfusing you mustn't be circumfusing they mustn't be circumfusing
Perfect	V-ing perfect
I mustn't have circumfused you mustn't have circumfused she mustn't have circumfused we mustn't have circumfused you mustn't have circumfused they mustn't have circumfused	I mustn't have been circumfusing you mustn't have been circumfusing she mustn't have been circumfusing we mustn't have been circumfusing you mustn't have been circumfusing they mustn't have been circumfusing

Interrogative form

Simple form	V-ing form
must I circumfuse? must you circumfuse? must she circumfuse? must we circumfuse? must you circumfuse? must they circumfuse?	must I be circumfusing? must you be circumfusing? must she be circumfusing? must we be circumfusing? must you be circumfusing? must they be circumfusing?
Perfect	V-ing perfect
must I have circumfused? must you have circumfused? must she have circumfused? must we have circumfused? must you have circumfused? must they have circumfused?	must I have been circumfusing? must you have been circumfusing? must she have been circumfusing? must we have been circumfusing? must you have been circumfusing? must they have been circumfusing?

Interro-negative form

Simple form	V-ing form
mustn't I circumfuse? mustn't you circumfuse? mustn't she circumfuse? mustn't we circumfuse? mustn't you circumfuse? mustn't they circumfuse?	mustn't I be circumfusing? mustn't you be circumfusing? mustn't she be circumfusing? mustn't we be circumfusing? mustn't you be circumfusing? mustn't they be circumfusing?
Perfect	V-ing perfect
mustn't I have circumfused? mustn't you have circumfused? mustn't she have circumfused? mustn't we have circumfused? mustn't you have circumfused? mustn't they have circumfused?	mustn't I have been circumfusing? mustn't you have been circumfusing? mustn't she have been circumfusing? mustn't we have been circumfusing? mustn't you have been circumfusing? mustn't they have been circumfusing?