ought to puff
Verbo regular: puff - puffed- puffed

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I ought to puff
you ought to puff
he ought to puff
we ought to puff
you ought to puff
they ought to puff 	I ought to be puffing
you ought to be puffing
he ought to be puffing
we ought to be puffing
you ought to be puffing
they ought to be puffing	I ought to have puffed
you ought to have puffed
he ought to have puffed
we ought to have puffed
you ought to have puffed
they ought to have puffed	I ought to have been puffing
you ought to have been puffing
he ought to have been puffing
we ought to have been puffing
you ought to have been puffing
they ought to have been puffing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I ought not to puff
you ought not to puff
he ought not to puff
we ought not to puff
you ought not to puff
they ought not to puff 	I ought not to puffing
you ought not to puffing
he ought not to puffing
we ought not to puffing
you ought not to puffing
they ought not to puffing	I ought not to have puffed
you ought not to have puffed
he ought not to have puffed
we ought not to have puffed
you ought not to have puffed
they ought not to have puffed	I ought not to have been puffing
you ought not to have been puffing
he ought not to have been puffing
we ought not to have been puffing
you ought not to have been puffing
they ought not to have been puffing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
ought to I puff?
ought to you puff?
ought to he puff?
ought to we puff?
ought to you puff?
ought to they puff? 	ought to I be puffing?
ought to you be puffing?
ought to he be puffing?
ought to we be puffing?
ought to you be puffing?
ought to they be puffing? 	ought to I have puffed?
ought to you have puffed?
ought to he have puffed?
ought to we have puffed?
ought to you have puffed?
ought to they have puffed? 	ought to I have been puffing?
ought to you have been puffing?
ought to he have been puffing?
ought to we have been puffing?
ought to you have been puffing?
ought to they have been puffing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
ought I not to puff?
ought you not to puff?
ought he not to puff?
ought we not to puff?
ought you not to puff?
ought they not to puff? 	ought I not to be puffing?
ought you not to be puffing?
ought he not to be puffing?
ought we not to be puffing?
ought you not to be puffing?
ought they not to be puffing? 	ought I not to have puffed?
ought you not to have puffed?
ought he not to have puffed?
ought we not to have puffed?
ought you not to have puffed?
ought they not to have puffed? 	ought I not to have been puffing?
ought you not to have been puffing?
ought he not to have been puffing?
ought we not to have been puffing?
ought you not to have been puffing?
ought they not to have been puffing?