I'd be oxygenating you'd be oxygenating she'd be oxygenating we'd be oxygenating you'd be oxygenating they'd be oxygenating
Perfect
I should've oxygenated you should've oxygenated she should've oxygenated we should've oxygenated you should've oxygenated they should've oxygenated
V-ing perfect
I should've been oxygenating you should've been oxygenating she should've been oxygenating we should've been oxygenating you should've been oxygenating they should've been oxygenating
Negation
Simple form
I shouldn't oxygenate you shouldn't oxygenate she shouldn't oxygenate we shouldn't oxygenate you shouldn't oxygenate they shouldn't oxygenate
V-ing form
I shouldn't be oxygenating you shouldn't be oxygenating she shouldn't be oxygenating we shouldn't be oxygenating you shouldn't be oxygenating they shouldn't be oxygenating
Perfect
I shouldn't have oxygenated you shouldn't have oxygenated she shouldn't have oxygenated we shouldn't have oxygenated you shouldn't have oxygenated they shouldn't have oxygenated
V-ing perfect
I shouldn't have been oxygenating you shouldn't have been oxygenating she shouldn't have been oxygenating we shouldn't have been oxygenating you shouldn't have been oxygenating they shouldn't have been oxygenating
Interrogative form
Simple form
should I oxygenate? should you oxygenate? should she oxygenate? should we oxygenate? should you oxygenate? should they oxygenate?
V-ing form
should I be oxygenating? should you be oxygenating? should she be oxygenating? should we be oxygenating? should you be oxygenating? should they be oxygenating?
Perfect
should I have oxygenated? should you have oxygenated? should she have oxygenated? should we have oxygenated? should you have oxygenated? should they have oxygenated?
V-ing perfect
should I have been oxygenating? should you have been oxygenating? should she have been oxygenating? should we have been oxygenating? should you have been oxygenating? should they have been oxygenating?
Interro-negative form
Simple form
shouldn't I oxygenate? shouldn't you oxygenate? shouldn't she oxygenate? shouldn't we oxygenate? shouldn't you oxygenate? shouldn't they oxygenate?
V-ing form
shouldn't I be oxygenating? shouldn't you be oxygenating? shouldn't she be oxygenating? shouldn't we be oxygenating? shouldn't you be oxygenating? shouldn't they be oxygenating?
Perfect
shouldn't I have oxygenated? shouldn't you have oxygenated? shouldn't she have oxygenated? shouldn't we have oxygenated? shouldn't you have oxygenated? shouldn't they have oxygenated?
V-ing perfect
shouldn't I have been oxygenating? shouldn't you have been oxygenating? shouldn't she have been oxygenating? shouldn't we have been oxygenating? shouldn't you have been oxygenating? shouldn't they have been oxygenating?