ought to oxygenate
Regular verb: oxygenate - oxygenated- oxygenated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to oxygenate
you ought to oxygenate
he ought to oxygenate
we ought to oxygenate
you ought to oxygenate
they ought to oxygenate 	I ought to be oxygenating
you ought to be oxygenating
he ought to be oxygenating
we ought to be oxygenating
you ought to be oxygenating
they ought to be oxygenating	I ought to have oxygenated
you ought to have oxygenated
he ought to have oxygenated
we ought to have oxygenated
you ought to have oxygenated
they ought to have oxygenated	I ought to have been oxygenating
you ought to have been oxygenating
he ought to have been oxygenating
we ought to have been oxygenating
you ought to have been oxygenating
they ought to have been oxygenating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought not to oxygenate
you ought not to oxygenate
he ought not to oxygenate
we ought not to oxygenate
you ought not to oxygenate
they ought not to oxygenate 	I ought not to oxygenating
you ought not to oxygenating
he ought not to oxygenating
we ought not to oxygenating
you ought not to oxygenating
they ought not to oxygenating	I ought not to have oxygenated
you ought not to have oxygenated
he ought not to have oxygenated
we ought not to have oxygenated
you ought not to have oxygenated
they ought not to have oxygenated	I ought not to have been oxygenating
you ought not to have been oxygenating
he ought not to have been oxygenating
we ought not to have been oxygenating
you ought not to have been oxygenating
they ought not to have been oxygenating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I oxygenate?
ought to you oxygenate?
ought to he oxygenate?
ought to we oxygenate?
ought to you oxygenate?
ought to they oxygenate? 	ought to I be oxygenating?
ought to you be oxygenating?
ought to he be oxygenating?
ought to we be oxygenating?
ought to you be oxygenating?
ought to they be oxygenating? 	ought to I have oxygenated?
ought to you have oxygenated?
ought to he have oxygenated?
ought to we have oxygenated?
ought to you have oxygenated?
ought to they have oxygenated? 	ought to I have been oxygenating?
ought to you have been oxygenating?
ought to he have been oxygenating?
ought to we have been oxygenating?
ought to you have been oxygenating?
ought to they have been oxygenating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought I not to oxygenate?
ought you not to oxygenate?
ought he not to oxygenate?
ought we not to oxygenate?
ought you not to oxygenate?
ought they not to oxygenate? 	ought I not to be oxygenating?
ought you not to be oxygenating?
ought he not to be oxygenating?
ought we not to be oxygenating?
ought you not to be oxygenating?
ought they not to be oxygenating? 	ought I not to have oxygenated?
ought you not to have oxygenated?
ought he not to have oxygenated?
ought we not to have oxygenated?
ought you not to have oxygenated?
ought they not to have oxygenated? 	ought I not to have been oxygenating?
ought you not to have been oxygenating?
ought he not to have been oxygenating?
ought we not to have been oxygenating?
ought you not to have been oxygenating?
ought they not to have been oxygenating?