ought to yellow
Regular verb: yellow - yellowed- yellowed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to yellow
you ought to yellow
she ought to yellow
we ought to yellow
you ought to yellow
they ought to yellow 	I ought to be yellowing
you ought to be yellowing
she ought to be yellowing
we ought to be yellowing
you ought to be yellowing
they ought to be yellowing	I ought to have yellowed
you ought to have yellowed
she ought to have yellowed
we ought to have yellowed
you ought to have yellowed
they ought to have yellowed	I ought to have been yellowing
you ought to have been yellowing
she ought to have been yellowing
we ought to have been yellowing
you ought to have been yellowing
they ought to have been yellowing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I oughtn't to yellow
you oughtn't to yellow
she oughtn't to yellow
we oughtn't to yellow
you oughtn't to yellow
they oughtn't to yellow 	I oughtn't to be yellowing
you oughtn't to be yellowing
she oughtn't to be yellowing
we oughtn't to be yellowing
you oughtn't to be yellowing
they oughtn't to be yellowing	I oughtn't to have yellowed
you oughtn't to have yellowed
she oughtn't to have yellowed
we oughtn't to have yellowed
you oughtn't to have yellowed
they oughtn't to have yellowed	I oughtn't to have been yellowing
you oughtn't to have been yellowing
she oughtn't to have been yellowing
we oughtn't to have been yellowing
you oughtn't to have been yellowing
they oughtn't to have been yellowing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I yellow?
ought to you yellow?
ought to she yellow?
ought to we yellow?
ought to you yellow?
ought to they yellow? 	ought to I be yellowing?
ought to you be yellowing?
ought to she be yellowing?
ought to we be yellowing?
ought to you be yellowing?
ought to they be yellowing? 	ought to I have yellowed?
ought to you have yellowed?
ought to she have yellowed?
ought to we have yellowed?
ought to you have yellowed?
ought to they have yellowed? 	ought to I have been yellowing?
ought to you have been yellowing?
ought to she have been yellowing?
ought to we have been yellowing?
ought to you have been yellowing?
ought to they have been yellowing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
oughtn't I to yellow?
oughtn't you to yellow?
oughtn't she to yellow?
oughtn't we to yellow?
oughtn't you to yellow?
oughtn't they to yellow? 	oughtn't I to be yellowing?
oughtn't you to be yellowing?
oughtn't she to be yellowing?
oughtn't we to be yellowing?
oughtn't you to be yellowing?
oughtn't they to be yellowing? 	oughtn't I to have yellowed?
oughtn't you to have yellowed?
oughtn't she to have yellowed?
oughtn't we to have yellowed?
oughtn't you to have yellowed?
oughtn't they to have yellowed? 	oughtn't I to have been yellowing?
oughtn't you to have been yellowing?
oughtn't she to have been yellowing?
oughtn't we to have been yellowing?
oughtn't you to have been yellowing?
oughtn't they to have been yellowing?