ought to bill
Verbo regular: bill - billed- billed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I ought to bill
you ought to bill
he ought to bill
we ought to bill
you ought to bill
they ought to bill 	I ought to be billing
you ought to be billing
he ought to be billing
we ought to be billing
you ought to be billing
they ought to be billing	I ought to have billed
you ought to have billed
he ought to have billed
we ought to have billed
you ought to have billed
they ought to have billed	I ought to have been billing
you ought to have been billing
he ought to have been billing
we ought to have been billing
you ought to have been billing
they ought to have been billing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I ought not to bill
you ought not to bill
he ought not to bill
we ought not to bill
you ought not to bill
they ought not to bill 	I ought not to billing
you ought not to billing
he ought not to billing
we ought not to billing
you ought not to billing
they ought not to billing	I ought not to have billed
you ought not to have billed
he ought not to have billed
we ought not to have billed
you ought not to have billed
they ought not to have billed	I ought not to have been billing
you ought not to have been billing
he ought not to have been billing
we ought not to have been billing
you ought not to have been billing
they ought not to have been billing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
ought to I bill?
ought to you bill?
ought to he bill?
ought to we bill?
ought to you bill?
ought to they bill? 	ought to I be billing?
ought to you be billing?
ought to he be billing?
ought to we be billing?
ought to you be billing?
ought to they be billing? 	ought to I have billed?
ought to you have billed?
ought to he have billed?
ought to we have billed?
ought to you have billed?
ought to they have billed? 	ought to I have been billing?
ought to you have been billing?
ought to he have been billing?
ought to we have been billing?
ought to you have been billing?
ought to they have been billing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
ought I not to bill?
ought you not to bill?
ought he not to bill?
ought we not to bill?
ought you not to bill?
ought they not to bill? 	ought I not to be billing?
ought you not to be billing?
ought he not to be billing?
ought we not to be billing?
ought you not to be billing?
ought they not to be billing? 	ought I not to have billed?
ought you not to have billed?
ought he not to have billed?
ought we not to have billed?
ought you not to have billed?
ought they not to have billed? 	ought I not to have been billing?
ought you not to have been billing?
ought he not to have been billing?
ought we not to have been billing?
ought you not to have been billing?
ought they not to have been billing?