must overtask
Verbe régulier : overtask - overtasked- overtasked

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must overtask
you must overtask
he must overtask
we must overtask
you must overtask
they must overtask 	I must be overtasking
you must be overtasking
he must be overtasking
we must be overtasking
you must be overtasking
they must be overtasking	I must have overtasked
you must have overtasked
he must have overtasked
we must have overtasked
you must have overtasked
they must have overtasked	I must have been overtasking
you must have been overtasking
he must have been overtasking
we must have been overtasking
you must have been overtasking
they must have been overtasking	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't overtask
you mustn't overtask
he mustn't overtask
we mustn't overtask
you mustn't overtask
they mustn't overtask 	I mustn't be overtasking
you mustn't be overtasking
he mustn't be overtasking
we mustn't be overtasking
you mustn't be overtasking
they mustn't be overtasking	I mustn't have overtasked
you mustn't have overtasked
he mustn't have overtasked
we mustn't have overtasked
you mustn't have overtasked
they mustn't have overtasked	I mustn't have been overtasking
you mustn't have been overtasking
he mustn't have been overtasking
we mustn't have been overtasking
you mustn't have been overtasking
they mustn't have been overtasking	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I overtask?
must you overtask?
must he overtask?
must we overtask?
must you overtask?
must they overtask? 	must I be overtasking?
must you be overtasking?
must he be overtasking?
must we be overtasking?
must you be overtasking?
must they be overtasking? 	must I have overtasked?
must you have overtasked?
must he have overtasked?
must we have overtasked?
must you have overtasked?
must they have overtasked? 	must I have been overtasking?
must you have been overtasking?
must he have been overtasking?
must we have been overtasking?
must you have been overtasking?
must they have been overtasking? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I overtask?
mustn't you overtask?
mustn't he overtask?
mustn't we overtask?
mustn't you overtask?
mustn't they overtask? 	mustn't I be overtasking?
mustn't you be overtasking?
mustn't he be overtasking?
mustn't we be overtasking?
mustn't you be overtasking?
mustn't they be overtasking? 	mustn't I have overtasked?
mustn't you have overtasked?
mustn't he have overtasked?
mustn't we have overtasked?
mustn't you have overtasked?
mustn't they have overtasked? 	mustn't I have been overtasking?
mustn't you have been overtasking?
mustn't he have been overtasking?
mustn't we have been overtasking?
mustn't you have been overtasking?
mustn't they have been overtasking?