must quadrate
Regular verb: quadrate - quadrated- quadrated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must quadrate
you must quadrate
she must quadrate
we must quadrate
you must quadrate
they must quadrate 	I must be quadrating
you must be quadrating
she must be quadrating
we must be quadrating
you must be quadrating
they must be quadrating	I must have quadrated
you must have quadrated
she must have quadrated
we must have quadrated
you must have quadrated
they must have quadrated	I must have been quadrating
you must have been quadrating
she must have been quadrating
we must have been quadrating
you must have been quadrating
they must have been quadrating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't quadrate
you mustn't quadrate
she mustn't quadrate
we mustn't quadrate
you mustn't quadrate
they mustn't quadrate 	I mustn't be quadrating
you mustn't be quadrating
she mustn't be quadrating
we mustn't be quadrating
you mustn't be quadrating
they mustn't be quadrating	I mustn't have quadrated
you mustn't have quadrated
she mustn't have quadrated
we mustn't have quadrated
you mustn't have quadrated
they mustn't have quadrated	I mustn't have been quadrating
you mustn't have been quadrating
she mustn't have been quadrating
we mustn't have been quadrating
you mustn't have been quadrating
they mustn't have been quadrating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I quadrate?
must you quadrate?
must she quadrate?
must we quadrate?
must you quadrate?
must they quadrate? 	must I be quadrating?
must you be quadrating?
must she be quadrating?
must we be quadrating?
must you be quadrating?
must they be quadrating? 	must I have quadrated?
must you have quadrated?
must she have quadrated?
must we have quadrated?
must you have quadrated?
must they have quadrated? 	must I have been quadrating?
must you have been quadrating?
must she have been quadrating?
must we have been quadrating?
must you have been quadrating?
must they have been quadrating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I quadrate?
mustn't you quadrate?
mustn't she quadrate?
mustn't we quadrate?
mustn't you quadrate?
mustn't they quadrate? 	mustn't I be quadrating?
mustn't you be quadrating?
mustn't she be quadrating?
mustn't we be quadrating?
mustn't you be quadrating?
mustn't they be quadrating? 	mustn't I have quadrated?
mustn't you have quadrated?
mustn't she have quadrated?
mustn't we have quadrated?
mustn't you have quadrated?
mustn't they have quadrated? 	mustn't I have been quadrating?
mustn't you have been quadrating?
mustn't she have been quadrating?
mustn't we have been quadrating?
mustn't you have been quadrating?
mustn't they have been quadrating?