can bill
Verbo regolare: bill - billed- billed

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I can bill
you can bill
she can bill
we can bill
you can bill
they can bill 	I can be billing
you can be billing
she can be billing
we can be billing
you can be billing
they can be billing	I can have billed
you can have billed
she can have billed
we can have billed
you can have billed
they can have billed	I can have been billing
you can have been billing
she can have been billing
we can have been billing
you can have been billing
they can have been billing	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I cannot bill
you cannot bill
she cannot bill
we cannot bill
you cannot bill
they cannot bill 	I cannot be billing
you cannot be billing
she cannot be billing
we cannot be billing
you cannot be billing
they cannot be billing	I cannot have billed
you cannot have billed
she cannot have billed
we cannot have billed
you cannot have billed
they cannot have billed	I cannot have been billing
you cannot have been billing
she cannot have been billing
we cannot have been billing
you cannot have been billing
they cannot have been billing	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
can I bill?
can you bill?
can she bill?
can we bill?
can you bill?
can they bill? 	can I be billing?
can you be billing?
can she be billing?
can we be billing?
can you be billing?
can they be billing? 	can I have billed?
can you have billed?
can she have billed?
can we have billed?
can you have billed?
can they have billed? 	can I have been billing?
can you have been billing?
can she have been billing?
can we have been billing?
can you have been billing?
can they have been billing? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
can I not bill?
can you not bill?
can she not bill?
can we not bill?
can you not bill?
can they not bill? 	can I not be billing?
can you not be billing?
can she not be billing?
can we not be billing?
can you not be billing?
can they not be billing? 	can I not have billed?
can you not have billed?
can she not have billed?
can we not have billed?
can you not have billed?
can they not have billed? 	can I not have been billing?
can you not have been billing?
can she not have been billing?
can we not have been billing?
can you not have been billing?
can they not have been billing?