must quadrate
Verbo regular: quadrate - quadrated- quadrated

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must quadrate
you must quadrate
he must quadrate
we must quadrate
you must quadrate
they must quadrate 	I must be quadrating
you must be quadrating
he must be quadrating
we must be quadrating
you must be quadrating
they must be quadrating	I must have quadrated
you must have quadrated
he 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
he must have been quadrating
we must have been quadrating
you must have been quadrating
they must have been quadrating	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I mustn't quadrate
you mustn't quadrate
he 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
he 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
he 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
he mustn't have been quadrating
we mustn't have been quadrating
you mustn't have been quadrating
they mustn't have been quadrating	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I quadrate?
must you quadrate?
must he quadrate?
must we quadrate?
must you quadrate?
must they quadrate? 	must I be quadrating?
must you be quadrating?
must he be quadrating?
must we be quadrating?
must you be quadrating?
must they be quadrating? 	must I have quadrated?
must you have quadrated?
must he 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 he have been quadrating?
must we have been quadrating?
must you have been quadrating?
must they have been quadrating? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
mustn't I quadrate?
mustn't you quadrate?
mustn't he 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 he 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 he 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 he have been quadrating?
mustn't we have been quadrating?
mustn't you have been quadrating?
mustn't they have been quadrating?