must iris
Verbo regular: iris - irised- irised

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must iris
you must iris
he must iris
we must iris
you must iris
they must iris 	I must be irising
you must be irising
he must be irising
we must be irising
you must be irising
they must be irising	I must have irised
you must have irised
he must have irised
we must have irised
you must have irised
they must have irised	I must have been irising
you must have been irising
he must have been irising
we must have been irising
you must have been irising
they must have been irising	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I mustn't iris
you mustn't iris
he mustn't iris
we mustn't iris
you mustn't iris
they mustn't iris 	I mustn't be irising
you mustn't be irising
he mustn't be irising
we mustn't be irising
you mustn't be irising
they mustn't be irising	I mustn't have irised
you mustn't have irised
he mustn't have irised
we mustn't have irised
you mustn't have irised
they mustn't have irised	I mustn't have been irising
you mustn't have been irising
he mustn't have been irising
we mustn't have been irising
you mustn't have been irising
they mustn't have been irising	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I iris?
must you iris?
must he iris?
must we iris?
must you iris?
must they iris? 	must I be irising?
must you be irising?
must he be irising?
must we be irising?
must you be irising?
must they be irising? 	must I have irised?
must you have irised?
must he have irised?
must we have irised?
must you have irised?
must they have irised? 	must I have been irising?
must you have been irising?
must he have been irising?
must we have been irising?
must you have been irising?
must they have been irising? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
mustn't I iris?
mustn't you iris?
mustn't he iris?
mustn't we iris?
mustn't you iris?
mustn't they iris? 	mustn't I be irising?
mustn't you be irising?
mustn't he be irising?
mustn't we be irising?
mustn't you be irising?
mustn't they be irising? 	mustn't I have irised?
mustn't you have irised?
mustn't he have irised?
mustn't we have irised?
mustn't you have irised?
mustn't they have irised? 	mustn't I have been irising?
mustn't you have been irising?
mustn't he have been irising?
mustn't we have been irising?
mustn't you have been irising?
mustn't they have been irising?