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 ought not to retreat
you ought not to retreat
he ought not to retreat
we ought not to retreat
you ought not to retreat
they ought not to retreat 	I ought not to retreating
you ought not to retreating
he ought not to retreating
we ought not to retreating
you ought not to retreating
they ought not to retreating	I ought not to have retreated
you ought not to have retreated
he ought not to have retreated
we ought not to have retreated
you ought not to have retreated
they ought not to have retreated	I ought not to have been retreating
you ought not to have been retreating
he ought not to have been retreating
we ought not to have been retreating
you ought not to have been retreating
they ought not 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 	
ought I not to retreat?
ought you not to retreat?
ought he not to retreat?
ought we not to retreat?
ought you not to retreat?
ought they not to retreat? 	ought I not to be retreating?
ought you not to be retreating?
ought he not to be retreating?
ought we not to be retreating?
ought you not to be retreating?
ought they not to be retreating? 	ought I not to have retreated?
ought you not to have retreated?
ought he not to have retreated?
ought we not to have retreated?
ought you not to have retreated?
ought they not to have retreated? 	ought I not to have been retreating?
ought you not to have been retreating?
ought he not to have been retreating?
ought we not to have been retreating?
ought you not to have been retreating?
ought they not to have been retreating?