ought to impede
Regular verb: impede - impeded- impeded

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to impede
you ought to impede
he ought to impede
we ought to impede
you ought to impede
they ought to impede 	I ought to be impeding
you ought to be impeding
he ought to be impeding
we ought to be impeding
you ought to be impeding
they ought to be impeding	I ought to have impeded
you ought to have impeded
he ought to have impeded
we ought to have impeded
you ought to have impeded
they ought to have impeded	I ought to have been impeding
you ought to have been impeding
he ought to have been impeding
we ought to have been impeding
you ought to have been impeding
they ought to have been impeding	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I oughtn't to impede
you oughtn't to impede
he oughtn't to impede
we oughtn't to impede
you oughtn't to impede
they oughtn't to impede 	I oughtn't to be impeding
you oughtn't to be impeding
he oughtn't to be impeding
we oughtn't to be impeding
you oughtn't to be impeding
they oughtn't to be impeding	I oughtn't to have impeded
you oughtn't to have impeded
he oughtn't to have impeded
we oughtn't to have impeded
you oughtn't to have impeded
they oughtn't to have impeded	I oughtn't to have been impeding
you oughtn't to have been impeding
he oughtn't to have been impeding
we oughtn't to have been impeding
you oughtn't to have been impeding
they oughtn't to have been impeding	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I impede?
ought to you impede?
ought to he impede?
ought to we impede?
ought to you impede?
ought to they impede? 	ought to I be impeding?
ought to you be impeding?
ought to he be impeding?
ought to we be impeding?
ought to you be impeding?
ought to they be impeding? 	ought to I have impeded?
ought to you have impeded?
ought to he have impeded?
ought to we have impeded?
ought to you have impeded?
ought to they have impeded? 	ought to I have been impeding?
ought to you have been impeding?
ought to he have been impeding?
ought to we have been impeding?
ought to you have been impeding?
ought to they have been impeding? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
oughtn't I to impede?
oughtn't you to impede?
oughtn't he to impede?
oughtn't we to impede?
oughtn't you to impede?
oughtn't they to impede? 	oughtn't I to be impeding?
oughtn't you to be impeding?
oughtn't he to be impeding?
oughtn't we to be impeding?
oughtn't you to be impeding?
oughtn't they to be impeding? 	oughtn't I to have impeded?
oughtn't you to have impeded?
oughtn't he to have impeded?
oughtn't we to have impeded?
oughtn't you to have impeded?
oughtn't they to have impeded? 	oughtn't I to have been impeding?
oughtn't you to have been impeding?
oughtn't he to have been impeding?
oughtn't we to have been impeding?
oughtn't you to have been impeding?
oughtn't they to have been impeding?