ought to impale
Regular verb: impale - impaled- impaled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to impale
you ought to impale
he ought to impale
we ought to impale
you ought to impale
they ought to impale 	I ought to be impaling
you ought to be impaling
he ought to be impaling
we ought to be impaling
you ought to be impaling
they ought to be impaling	I ought to have impaled
you ought to have impaled
he ought to have impaled
we ought to have impaled
you ought to have impaled
they ought to have impaled	I ought to have been impaling
you ought to have been impaling
he ought to have been impaling
we ought to have been impaling
you ought to have been impaling
they ought to have been impaling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought not to impale
you ought not to impale
he ought not to impale
we ought not to impale
you ought not to impale
they ought not to impale 	I ought not to impaling
you ought not to impaling
he ought not to impaling
we ought not to impaling
you ought not to impaling
they ought not to impaling	I ought not to have impaled
you ought not to have impaled
he ought not to have impaled
we ought not to have impaled
you ought not to have impaled
they ought not to have impaled	I ought not to have been impaling
you ought not to have been impaling
he ought not to have been impaling
we ought not to have been impaling
you ought not to have been impaling
they ought not to have been impaling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I impale?
ought to you impale?
ought to he impale?
ought to we impale?
ought to you impale?
ought to they impale? 	ought to I be impaling?
ought to you be impaling?
ought to he be impaling?
ought to we be impaling?
ought to you be impaling?
ought to they be impaling? 	ought to I have impaled?
ought to you have impaled?
ought to he have impaled?
ought to we have impaled?
ought to you have impaled?
ought to they have impaled? 	ought to I have been impaling?
ought to you have been impaling?
ought to he have been impaling?
ought to we have been impaling?
ought to you have been impaling?
ought to they have been impaling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought I not to impale?
ought you not to impale?
ought he not to impale?
ought we not to impale?
ought you not to impale?
ought they not to impale? 	ought I not to be impaling?
ought you not to be impaling?
ought he not to be impaling?
ought we not to be impaling?
ought you not to be impaling?
ought they not to be impaling? 	ought I not to have impaled?
ought you not to have impaled?
ought he not to have impaled?
ought we not to have impaled?
ought you not to have impaled?
ought they not to have impaled? 	ought I not to have been impaling?
ought you not to have been impaling?
ought he not to have been impaling?
ought we not to have been impaling?
ought you not to have been impaling?
ought they not to have been impaling?