English verb conjugation
MUST TRANSFUSE

Regular verb: transfuse - transfused - transfused

Affirmation

Simple form	V-ing form
I must transfuse you must transfuse he must transfuse we must transfuse you must transfuse they must transfuse	I must be transfusing you must be transfusing he must be transfusing we must be transfusing you must be transfusing they must be transfusing
Perfect	V-ing perfect
I must have transfused you must have transfused he must have transfused we must have transfused you must have transfused they must have transfused	I must have been transfusing you must have been transfusing he must have been transfusing we must have been transfusing you must have been transfusing they must have been transfusing

Negation

Simple form	V-ing form
I mustn't transfuse you mustn't transfuse he mustn't transfuse we mustn't transfuse you mustn't transfuse they mustn't transfuse	I mustn't be transfusing you mustn't be transfusing he mustn't be transfusing we mustn't be transfusing you mustn't be transfusing they mustn't be transfusing
Perfect	V-ing perfect
I mustn't have transfused you mustn't have transfused he mustn't have transfused we mustn't have transfused you mustn't have transfused they mustn't have transfused	I mustn't have been transfusing you mustn't have been transfusing he mustn't have been transfusing we mustn't have been transfusing you mustn't have been transfusing they mustn't have been transfusing

Interrogative form

Simple form	V-ing form
must I transfuse? must you transfuse? must he transfuse? must we transfuse? must you transfuse? must they transfuse?	must I be transfusing? must you be transfusing? must he be transfusing? must we be transfusing? must you be transfusing? must they be transfusing?
Perfect	V-ing perfect
must I have transfused? must you have transfused? must he have transfused? must we have transfused? must you have transfused? must they have transfused?	must I have been transfusing? must you have been transfusing? must he have been transfusing? must we have been transfusing? must you have been transfusing? must they have been transfusing?

Interro-negative form

Simple form	V-ing form
mustn't I transfuse? mustn't you transfuse? mustn't he transfuse? mustn't we transfuse? mustn't you transfuse? mustn't they transfuse?	mustn't I be transfusing? mustn't you be transfusing? mustn't he be transfusing? mustn't we be transfusing? mustn't you be transfusing? mustn't they be transfusing?
Perfect	V-ing perfect
mustn't I have transfused? mustn't you have transfused? mustn't he have transfused? mustn't we have transfused? mustn't you have transfused? mustn't they have transfused?	mustn't I have been transfusing? mustn't you have been transfusing? mustn't he have been transfusing? mustn't we have been transfusing? mustn't you have been transfusing? mustn't they have been transfusing?