English verb conjugation
MUST INFUSE

Regular verb: infuse - infused - infused

Affirmation

Simple form	V-ing form
I must infuse you must infuse he must infuse we must infuse you must infuse they must infuse	I must be infusing you must be infusing he must be infusing we must be infusing you must be infusing they must be infusing
Perfect	V-ing perfect
I must have infused you must have infused he must have infused we must have infused you must have infused they must have infused	I must have been infusing you must have been infusing he must have been infusing we must have been infusing you must have been infusing they must have been infusing

Negation

Simple form	V-ing form
I must not infuse you must not infuse he must not infuse we must not infuse you must not infuse they must not infuse	I must not be infusing you must not be infusing he must not be infusing we must not be infusing you must not be infusing they must not be infusing
Perfect	V-ing perfect
I must not have infused you must not have infused he must not have infused we must not have infused you must not have infused they must not have infused	I must not have been infusing you must not have been infusing he must not have been infusing we must not have been infusing you must not have been infusing they must not have been infusing

Interrogative form

Simple form	V-ing form
must I infuse? must you infuse? must he infuse? must we infuse? must you infuse? must they infuse?	must I be infusing? must you be infusing? must he be infusing? must we be infusing? must you be infusing? must they be infusing?
Perfect	V-ing perfect
must I have infused? must you have infused? must he have infused? must we have infused? must you have infused? must they have infused?	must I have been infusing? must you have been infusing? must he have been infusing? must we have been infusing? must you have been infusing? must they have been infusing?

Interro-negative form

Simple form	V-ing form
must I not infuse? must you not infuse? must he not infuse? must we not infuse? must you not infuse? must they not infuse?	must I not be infusing? must you not be infusing? must he not be infusing? must we not be infusing? must you not be infusing? must they not be infusing?
Perfect	V-ing perfect
must I not have infused? must you not have infused? must he not have infused? must we not have infused? must you not have infused? must they not have infused?	must I not have been infusing? must you not have been infusing? must he not have been infusing? must we not have been infusing? must you not have been infusing? must they not have been infusing?