must accumulate
Verbo regolare: accumulate - accumulated- accumulated

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I must accumulate
you must accumulate
he must accumulate
we must accumulate
you must accumulate
they must accumulate 	I must be accumulating
you must be accumulating
he must be accumulating
we must be accumulating
you must be accumulating
they must be accumulating	I must have accumulated
you must have accumulated
he must have accumulated
we must have accumulated
you must have accumulated
they must have accumulated	I must have been accumulating
you must have been accumulating
he must have been accumulating
we must have been accumulating
you must have been accumulating
they must have been accumulating	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I mustn't accumulate
you mustn't accumulate
he mustn't accumulate
we mustn't accumulate
you mustn't accumulate
they mustn't accumulate 	I mustn't be accumulating
you mustn't be accumulating
he mustn't be accumulating
we mustn't be accumulating
you mustn't be accumulating
they mustn't be accumulating	I mustn't have accumulated
you mustn't have accumulated
he mustn't have accumulated
we mustn't have accumulated
you mustn't have accumulated
they mustn't have accumulated	I mustn't have been accumulating
you mustn't have been accumulating
he mustn't have been accumulating
we mustn't have been accumulating
you mustn't have been accumulating
they mustn't have been accumulating	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
must I accumulate?
must you accumulate?
must he accumulate?
must we accumulate?
must you accumulate?
must they accumulate? 	must I be accumulating?
must you be accumulating?
must he be accumulating?
must we be accumulating?
must you be accumulating?
must they be accumulating? 	must I have accumulated?
must you have accumulated?
must he have accumulated?
must we have accumulated?
must you have accumulated?
must they have accumulated? 	must I have been accumulating?
must you have been accumulating?
must he have been accumulating?
must we have been accumulating?
must you have been accumulating?
must they have been accumulating? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
mustn't I accumulate?
mustn't you accumulate?
mustn't he accumulate?
mustn't we accumulate?
mustn't you accumulate?
mustn't they accumulate? 	mustn't I be accumulating?
mustn't you be accumulating?
mustn't he be accumulating?
mustn't we be accumulating?
mustn't you be accumulating?
mustn't they be accumulating? 	mustn't I have accumulated?
mustn't you have accumulated?
mustn't he have accumulated?
mustn't we have accumulated?
mustn't you have accumulated?
mustn't they have accumulated? 	mustn't I have been accumulating?
mustn't you have been accumulating?
mustn't he have been accumulating?
mustn't we have been accumulating?
mustn't you have been accumulating?
mustn't they have been accumulating?