can overbill
Verbe régulier : overbill - overbilled- overbilled

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I can overbill
you can overbill
she can overbill
we can overbill
you can overbill
they can overbill 	I can be overbilling
you can be overbilling
she can be overbilling
we can be overbilling
you can be overbilling
they can be overbilling	I can have overbilled
you can have overbilled
she can have overbilled
we can have overbilled
you can have overbilled
they can have overbilled	I can have been overbilling
you can have been overbilling
she can have been overbilling
we can have been overbilling
you can have been overbilling
they can have been overbilling	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I cannot overbill
you cannot overbill
she cannot overbill
we cannot overbill
you cannot overbill
they cannot overbill 	I cannot be overbilling
you cannot be overbilling
she cannot be overbilling
we cannot be overbilling
you cannot be overbilling
they cannot be overbilling	I cannot have overbilled
you cannot have overbilled
she cannot have overbilled
we cannot have overbilled
you cannot have overbilled
they cannot have overbilled	I cannot have been overbilling
you cannot have been overbilling
she cannot have been overbilling
we cannot have been overbilling
you cannot have been overbilling
they cannot have been overbilling	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
can I overbill?
can you overbill?
can she overbill?
can we overbill?
can you overbill?
can they overbill? 	can I be overbilling?
can you be overbilling?
can she be overbilling?
can we be overbilling?
can you be overbilling?
can they be overbilling? 	can I have overbilled?
can you have overbilled?
can she have overbilled?
can we have overbilled?
can you have overbilled?
can they have overbilled? 	can I have been overbilling?
can you have been overbilling?
can she have been overbilling?
can we have been overbilling?
can you have been overbilling?
can they have been overbilling? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
can I not overbill?
can you not overbill?
can she not overbill?
can we not overbill?
can you not overbill?
can they not overbill? 	can I not be overbilling?
can you not be overbilling?
can she not be overbilling?
can we not be overbilling?
can you not be overbilling?
can they not be overbilling? 	can I not have overbilled?
can you not have overbilled?
can she not have overbilled?
can we not have overbilled?
can you not have overbilled?
can they not have overbilled? 	can I not have been overbilling?
can you not have been overbilling?
can she not have been overbilling?
can we not have been overbilling?
can you not have been overbilling?
can they not have been overbilling?