must irk
Verbo regular: irk - irked- irked

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must irk
you must irk
he must irk
we must irk
you must irk
they must irk 	I must be irking
you must be irking
he must be irking
we must be irking
you must be irking
they must be irking	I must have irked
you must have irked
he must have irked
we must have irked
you must have irked
they must have irked	I must have been irking
you must have been irking
he must have been irking
we must have been irking
you must have been irking
they must have been irking	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I mustn't irk
you mustn't irk
he mustn't irk
we mustn't irk
you mustn't irk
they mustn't irk 	I mustn't be irking
you mustn't be irking
he mustn't be irking
we mustn't be irking
you mustn't be irking
they mustn't be irking	I mustn't have irked
you mustn't have irked
he mustn't have irked
we mustn't have irked
you mustn't have irked
they mustn't have irked	I mustn't have been irking
you mustn't have been irking
he mustn't have been irking
we mustn't have been irking
you mustn't have been irking
they mustn't have been irking	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I irk?
must you irk?
must he irk?
must we irk?
must you irk?
must they irk? 	must I be irking?
must you be irking?
must he be irking?
must we be irking?
must you be irking?
must they be irking? 	must I have irked?
must you have irked?
must he have irked?
must we have irked?
must you have irked?
must they have irked? 	must I have been irking?
must you have been irking?
must he have been irking?
must we have been irking?
must you have been irking?
must they have been irking? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
mustn't I irk?
mustn't you irk?
mustn't he irk?
mustn't we irk?
mustn't you irk?
mustn't they irk? 	mustn't I be irking?
mustn't you be irking?
mustn't he be irking?
mustn't we be irking?
mustn't you be irking?
mustn't they be irking? 	mustn't I have irked?
mustn't you have irked?
mustn't he have irked?
mustn't we have irked?
mustn't you have irked?
mustn't they have irked? 	mustn't I have been irking?
mustn't you have been irking?
mustn't he have been irking?
mustn't we have been irking?
mustn't you have been irking?
mustn't they have been irking?