ought to lumber
Regular verb: lumber - lumbered- lumbered

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to lumber
you ought to lumber
she ought to lumber
we ought to lumber
you ought to lumber
they ought to lumber 	I ought to be lumbering
you ought to be lumbering
she ought to be lumbering
we ought to be lumbering
you ought to be lumbering
they ought to be lumbering	I ought to have lumbered
you ought to have lumbered
she ought to have lumbered
we ought to have lumbered
you ought to have lumbered
they ought to have lumbered	I ought to have been lumbering
you ought to have been lumbering
she ought to have been lumbering
we ought to have been lumbering
you ought to have been lumbering
they ought to have been lumbering	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I oughtn't to lumber
you oughtn't to lumber
she oughtn't to lumber
we oughtn't to lumber
you oughtn't to lumber
they oughtn't to lumber 	I oughtn't to be lumbering
you oughtn't to be lumbering
she oughtn't to be lumbering
we oughtn't to be lumbering
you oughtn't to be lumbering
they oughtn't to be lumbering	I oughtn't to have lumbered
you oughtn't to have lumbered
she oughtn't to have lumbered
we oughtn't to have lumbered
you oughtn't to have lumbered
they oughtn't to have lumbered	I oughtn't to have been lumbering
you oughtn't to have been lumbering
she oughtn't to have been lumbering
we oughtn't to have been lumbering
you oughtn't to have been lumbering
they oughtn't to have been lumbering	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I lumber?
ought to you lumber?
ought to she lumber?
ought to we lumber?
ought to you lumber?
ought to they lumber? 	ought to I be lumbering?
ought to you be lumbering?
ought to she be lumbering?
ought to we be lumbering?
ought to you be lumbering?
ought to they be lumbering? 	ought to I have lumbered?
ought to you have lumbered?
ought to she have lumbered?
ought to we have lumbered?
ought to you have lumbered?
ought to they have lumbered? 	ought to I have been lumbering?
ought to you have been lumbering?
ought to she have been lumbering?
ought to we have been lumbering?
ought to you have been lumbering?
ought to they have been lumbering? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
oughtn't I to lumber?
oughtn't you to lumber?
oughtn't she to lumber?
oughtn't we to lumber?
oughtn't you to lumber?
oughtn't they to lumber? 	oughtn't I to be lumbering?
oughtn't you to be lumbering?
oughtn't she to be lumbering?
oughtn't we to be lumbering?
oughtn't you to be lumbering?
oughtn't they to be lumbering? 	oughtn't I to have lumbered?
oughtn't you to have lumbered?
oughtn't she to have lumbered?
oughtn't we to have lumbered?
oughtn't you to have lumbered?
oughtn't they to have lumbered? 	oughtn't I to have been lumbering?
oughtn't you to have been lumbering?
oughtn't she to have been lumbering?
oughtn't we to have been lumbering?
oughtn't you to have been lumbering?
oughtn't they to have been lumbering?