must average
Verbo regular: average - averaged- averaged

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must average
you must average
she must average
we must average
you must average
they must average 	I must be averaging
you must be averaging
she must be averaging
we must be averaging
you must be averaging
they must be averaging	I must have averaged
you must have averaged
she must have averaged
we must have averaged
you must have averaged
they must have averaged	I must have been averaging
you must have been averaging
she must have been averaging
we must have been averaging
you must have been averaging
they must have been averaging	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I mustn't average
you mustn't average
she mustn't average
we mustn't average
you mustn't average
they mustn't average 	I mustn't be averaging
you mustn't be averaging
she mustn't be averaging
we mustn't be averaging
you mustn't be averaging
they mustn't be averaging	I mustn't have averaged
you mustn't have averaged
she mustn't have averaged
we mustn't have averaged
you mustn't have averaged
they mustn't have averaged	I mustn't have been averaging
you mustn't have been averaging
she mustn't have been averaging
we mustn't have been averaging
you mustn't have been averaging
they mustn't have been averaging	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I average?
must you average?
must she average?
must we average?
must you average?
must they average? 	must I be averaging?
must you be averaging?
must she be averaging?
must we be averaging?
must you be averaging?
must they be averaging? 	must I have averaged?
must you have averaged?
must she have averaged?
must we have averaged?
must you have averaged?
must they have averaged? 	must I have been averaging?
must you have been averaging?
must she have been averaging?
must we have been averaging?
must you have been averaging?
must they have been averaging? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
mustn't I average?
mustn't you average?
mustn't she average?
mustn't we average?
mustn't you average?
mustn't they average? 	mustn't I be averaging?
mustn't you be averaging?
mustn't she be averaging?
mustn't we be averaging?
mustn't you be averaging?
mustn't they be averaging? 	mustn't I have averaged?
mustn't you have averaged?
mustn't she have averaged?
mustn't we have averaged?
mustn't you have averaged?
mustn't they have averaged? 	mustn't I have been averaging?
mustn't you have been averaging?
mustn't she have been averaging?
mustn't we have been averaging?
mustn't you have been averaging?
mustn't they have been averaging?