ought to cumber
Regular verb: cumber - cumbered- cumbered

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to cumber
you ought to cumber
she ought to cumber
we ought to cumber
you ought to cumber
they ought to cumber 	I ought to be cumbering
you ought to be cumbering
she ought to be cumbering
we ought to be cumbering
you ought to be cumbering
they ought to be cumbering	I ought to have cumbered
you ought to have cumbered
she ought to have cumbered
we ought to have cumbered
you ought to have cumbered
they ought to have cumbered	I ought to have been cumbering
you ought to have been cumbering
she ought to have been cumbering
we ought to have been cumbering
you ought to have been cumbering
they ought to have been cumbering	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I oughtn't to cumber
you oughtn't to cumber
she oughtn't to cumber
we oughtn't to cumber
you oughtn't to cumber
they oughtn't to cumber 	I oughtn't to be cumbering
you oughtn't to be cumbering
she oughtn't to be cumbering
we oughtn't to be cumbering
you oughtn't to be cumbering
they oughtn't to be cumbering	I oughtn't to have cumbered
you oughtn't to have cumbered
she oughtn't to have cumbered
we oughtn't to have cumbered
you oughtn't to have cumbered
they oughtn't to have cumbered	I oughtn't to have been cumbering
you oughtn't to have been cumbering
she oughtn't to have been cumbering
we oughtn't to have been cumbering
you oughtn't to have been cumbering
they oughtn't to have been cumbering	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I cumber?
ought to you cumber?
ought to she cumber?
ought to we cumber?
ought to you cumber?
ought to they cumber? 	ought to I be cumbering?
ought to you be cumbering?
ought to she be cumbering?
ought to we be cumbering?
ought to you be cumbering?
ought to they be cumbering? 	ought to I have cumbered?
ought to you have cumbered?
ought to she have cumbered?
ought to we have cumbered?
ought to you have cumbered?
ought to they have cumbered? 	ought to I have been cumbering?
ought to you have been cumbering?
ought to she have been cumbering?
ought to we have been cumbering?
ought to you have been cumbering?
ought to they have been cumbering? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
oughtn't I to cumber?
oughtn't you to cumber?
oughtn't she to cumber?
oughtn't we to cumber?
oughtn't you to cumber?
oughtn't they to cumber? 	oughtn't I to be cumbering?
oughtn't you to be cumbering?
oughtn't she to be cumbering?
oughtn't we to be cumbering?
oughtn't you to be cumbering?
oughtn't they to be cumbering? 	oughtn't I to have cumbered?
oughtn't you to have cumbered?
oughtn't she to have cumbered?
oughtn't we to have cumbered?
oughtn't you to have cumbered?
oughtn't they to have cumbered? 	oughtn't I to have been cumbering?
oughtn't you to have been cumbering?
oughtn't she to have been cumbering?
oughtn't we to have been cumbering?
oughtn't you to have been cumbering?
oughtn't they to have been cumbering?