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