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