ought to yield
Regular verb: yield - yielded- yielded

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to yield
you ought to yield
she ought to yield
we ought to yield
you ought to yield
they ought to yield 	I ought to be yielding
you ought to be yielding
she ought to be yielding
we ought to be yielding
you ought to be yielding
they ought to be yielding	I ought to have yielded
you ought to have yielded
she ought to have yielded
we ought to have yielded
you ought to have yielded
they ought to have yielded	I ought to have been yielding
you ought to have been yielding
she ought to have been yielding
we ought to have been yielding
you ought to have been yielding
they ought to have been yielding	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I oughtn't to yield
you oughtn't to yield
she oughtn't to yield
we oughtn't to yield
you oughtn't to yield
they oughtn't to yield 	I oughtn't to be yielding
you oughtn't to be yielding
she oughtn't to be yielding
we oughtn't to be yielding
you oughtn't to be yielding
they oughtn't to be yielding	I oughtn't to have yielded
you oughtn't to have yielded
she oughtn't to have yielded
we oughtn't to have yielded
you oughtn't to have yielded
they oughtn't to have yielded	I oughtn't to have been yielding
you oughtn't to have been yielding
she oughtn't to have been yielding
we oughtn't to have been yielding
you oughtn't to have been yielding
they oughtn't to have been yielding	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I yield?
ought to you yield?
ought to she yield?
ought to we yield?
ought to you yield?
ought to they yield? 	ought to I be yielding?
ought to you be yielding?
ought to she be yielding?
ought to we be yielding?
ought to you be yielding?
ought to they be yielding? 	ought to I have yielded?
ought to you have yielded?
ought to she have yielded?
ought to we have yielded?
ought to you have yielded?
ought to they have yielded? 	ought to I have been yielding?
ought to you have been yielding?
ought to she have been yielding?
ought to we have been yielding?
ought to you have been yielding?
ought to they have been yielding? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
oughtn't I to yield?
oughtn't you to yield?
oughtn't she to yield?
oughtn't we to yield?
oughtn't you to yield?
oughtn't they to yield? 	oughtn't I to be yielding?
oughtn't you to be yielding?
oughtn't she to be yielding?
oughtn't we to be yielding?
oughtn't you to be yielding?
oughtn't they to be yielding? 	oughtn't I to have yielded?
oughtn't you to have yielded?
oughtn't she to have yielded?
oughtn't we to have yielded?
oughtn't you to have yielded?
oughtn't they to have yielded? 	oughtn't I to have been yielding?
oughtn't you to have been yielding?
oughtn't she to have been yielding?
oughtn't we to have been yielding?
oughtn't you to have been yielding?
oughtn't they to have been yielding?