ought to retreat
Regular verb: retreat - retreated- retreated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to retreat
you ought to retreat
he ought to retreat
we ought to retreat
you ought to retreat
they ought to retreat 	I ought to be retreating
you ought to be retreating
he ought to be retreating
we ought to be retreating
you ought to be retreating
they ought to be retreating	I ought to have retreated
you ought to have retreated
he ought to have retreated
we ought to have retreated
you ought to have retreated
they ought to have retreated	I ought to have been retreating
you ought to have been retreating
he ought to have been retreating
we ought to have been retreating
you ought to have been retreating
they ought to have been retreating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I oughtn't to retreat
you oughtn't to retreat
he oughtn't to retreat
we oughtn't to retreat
you oughtn't to retreat
they oughtn't to retreat 	I oughtn't to be retreating
you oughtn't to be retreating
he oughtn't to be retreating
we oughtn't to be retreating
you oughtn't to be retreating
they oughtn't to be retreating	I oughtn't to have retreated
you oughtn't to have retreated
he oughtn't to have retreated
we oughtn't to have retreated
you oughtn't to have retreated
they oughtn't to have retreated	I oughtn't to have been retreating
you oughtn't to have been retreating
he oughtn't to have been retreating
we oughtn't to have been retreating
you oughtn't to have been retreating
they oughtn't to have been retreating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I retreat?
ought to you retreat?
ought to he retreat?
ought to we retreat?
ought to you retreat?
ought to they retreat? 	ought to I be retreating?
ought to you be retreating?
ought to he be retreating?
ought to we be retreating?
ought to you be retreating?
ought to they be retreating? 	ought to I have retreated?
ought to you have retreated?
ought to he have retreated?
ought to we have retreated?
ought to you have retreated?
ought to they have retreated? 	ought to I have been retreating?
ought to you have been retreating?
ought to he have been retreating?
ought to we have been retreating?
ought to you have been retreating?
ought to they have been retreating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
oughtn't I to retreat?
oughtn't you to retreat?
oughtn't he to retreat?
oughtn't we to retreat?
oughtn't you to retreat?
oughtn't they to retreat? 	oughtn't I to be retreating?
oughtn't you to be retreating?
oughtn't he to be retreating?
oughtn't we to be retreating?
oughtn't you to be retreating?
oughtn't they to be retreating? 	oughtn't I to have retreated?
oughtn't you to have retreated?
oughtn't he to have retreated?
oughtn't we to have retreated?
oughtn't you to have retreated?
oughtn't they to have retreated? 	oughtn't I to have been retreating?
oughtn't you to have been retreating?
oughtn't he to have been retreating?
oughtn't we to have been retreating?
oughtn't you to have been retreating?
oughtn't they to have been retreating?