must incur
Verbo regolare: incur - incurred- incurred

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I must incur
you must incur
he must incur
we must incur
you must incur
they must incur 	I must be incurring
you must be incurring
he must be incurring
we must be incurring
you must be incurring
they must be incurring	I must have incurred
you must have incurred
he must have incurred
we must have incurred
you must have incurred
they must have incurred	I must have been incurring
you must have been incurring
he must have been incurring
we must have been incurring
you must have been incurring
they must have been incurring	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I mustn't incur
you mustn't incur
he mustn't incur
we mustn't incur
you mustn't incur
they mustn't incur 	I mustn't be incurring
you mustn't be incurring
he mustn't be incurring
we mustn't be incurring
you mustn't be incurring
they mustn't be incurring	I mustn't have incurred
you mustn't have incurred
he mustn't have incurred
we mustn't have incurred
you mustn't have incurred
they mustn't have incurred	I mustn't have been incurring
you mustn't have been incurring
he mustn't have been incurring
we mustn't have been incurring
you mustn't have been incurring
they mustn't have been incurring	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
must I incur?
must you incur?
must he incur?
must we incur?
must you incur?
must they incur? 	must I be incurring?
must you be incurring?
must he be incurring?
must we be incurring?
must you be incurring?
must they be incurring? 	must I have incurred?
must you have incurred?
must he have incurred?
must we have incurred?
must you have incurred?
must they have incurred? 	must I have been incurring?
must you have been incurring?
must he have been incurring?
must we have been incurring?
must you have been incurring?
must they have been incurring? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
mustn't I incur?
mustn't you incur?
mustn't he incur?
mustn't we incur?
mustn't you incur?
mustn't they incur? 	mustn't I be incurring?
mustn't you be incurring?
mustn't he be incurring?
mustn't we be incurring?
mustn't you be incurring?
mustn't they be incurring? 	mustn't I have incurred?
mustn't you have incurred?
mustn't he have incurred?
mustn't we have incurred?
mustn't you have incurred?
mustn't they have incurred? 	mustn't I have been incurring?
mustn't you have been incurring?
mustn't he have been incurring?
mustn't we have been incurring?
mustn't you have been incurring?
mustn't they have been incurring?