must task
Verbe régulier : task - tasked- tasked

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must task
you must task
she must task
we must task
you must task
they must task 	I must be tasking
you must be tasking
she must be tasking
we must be tasking
you must be tasking
they must be tasking	I must have tasked
you must have tasked
she must have tasked
we must have tasked
you must have tasked
they must have tasked	I must have been tasking
you must have been tasking
she must have been tasking
we must have been tasking
you must have been tasking
they must have been tasking	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't task
you mustn't task
she mustn't task
we mustn't task
you mustn't task
they mustn't task 	I mustn't be tasking
you mustn't be tasking
she mustn't be tasking
we mustn't be tasking
you mustn't be tasking
they mustn't be tasking	I mustn't have tasked
you mustn't have tasked
she mustn't have tasked
we mustn't have tasked
you mustn't have tasked
they mustn't have tasked	I mustn't have been tasking
you mustn't have been tasking
she mustn't have been tasking
we mustn't have been tasking
you mustn't have been tasking
they mustn't have been tasking	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I task?
must you task?
must she task?
must we task?
must you task?
must they task? 	must I be tasking?
must you be tasking?
must she be tasking?
must we be tasking?
must you be tasking?
must they be tasking? 	must I have tasked?
must you have tasked?
must she have tasked?
must we have tasked?
must you have tasked?
must they have tasked? 	must I have been tasking?
must you have been tasking?
must she have been tasking?
must we have been tasking?
must you have been tasking?
must they have been tasking? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I task?
mustn't you task?
mustn't she task?
mustn't we task?
mustn't you task?
mustn't they task? 	mustn't I be tasking?
mustn't you be tasking?
mustn't she be tasking?
mustn't we be tasking?
mustn't you be tasking?
mustn't they be tasking? 	mustn't I have tasked?
mustn't you have tasked?
mustn't she have tasked?
mustn't we have tasked?
mustn't you have tasked?
mustn't they have tasked? 	mustn't I have been tasking?
mustn't you have been tasking?
mustn't she have been tasking?
mustn't we have been tasking?
mustn't you have been tasking?
mustn't they have been tasking?