ought to smother
Regular verb: smother - smothered- smothered

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to smother
you ought to smother
she ought to smother
we ought to smother
you ought to smother
they ought to smother 	I ought to be smothering
you ought to be smothering
she ought to be smothering
we ought to be smothering
you ought to be smothering
they ought to be smothering	I ought to have smothered
you ought to have smothered
she ought to have smothered
we ought to have smothered
you ought to have smothered
they ought to have smothered	I ought to have been smothering
you ought to have been smothering
she ought to have been smothering
we ought to have been smothering
you ought to have been smothering
they ought to have been smothering	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I oughtn't to smother
you oughtn't to smother
she oughtn't to smother
we oughtn't to smother
you oughtn't to smother
they oughtn't to smother 	I oughtn't to be smothering
you oughtn't to be smothering
she oughtn't to be smothering
we oughtn't to be smothering
you oughtn't to be smothering
they oughtn't to be smothering	I oughtn't to have smothered
you oughtn't to have smothered
she oughtn't to have smothered
we oughtn't to have smothered
you oughtn't to have smothered
they oughtn't to have smothered	I oughtn't to have been smothering
you oughtn't to have been smothering
she oughtn't to have been smothering
we oughtn't to have been smothering
you oughtn't to have been smothering
they oughtn't to have been smothering	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I smother?
ought to you smother?
ought to she smother?
ought to we smother?
ought to you smother?
ought to they smother? 	ought to I be smothering?
ought to you be smothering?
ought to she be smothering?
ought to we be smothering?
ought to you be smothering?
ought to they be smothering? 	ought to I have smothered?
ought to you have smothered?
ought to she have smothered?
ought to we have smothered?
ought to you have smothered?
ought to they have smothered? 	ought to I have been smothering?
ought to you have been smothering?
ought to she have been smothering?
ought to we have been smothering?
ought to you have been smothering?
ought to they have been smothering? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
oughtn't I to smother?
oughtn't you to smother?
oughtn't she to smother?
oughtn't we to smother?
oughtn't you to smother?
oughtn't they to smother? 	oughtn't I to be smothering?
oughtn't you to be smothering?
oughtn't she to be smothering?
oughtn't we to be smothering?
oughtn't you to be smothering?
oughtn't they to be smothering? 	oughtn't I to have smothered?
oughtn't you to have smothered?
oughtn't she to have smothered?
oughtn't we to have smothered?
oughtn't you to have smothered?
oughtn't they to have smothered? 	oughtn't I to have been smothering?
oughtn't you to have been smothering?
oughtn't she to have been smothering?
oughtn't we to have been smothering?
oughtn't you to have been smothering?
oughtn't they to have been smothering?