could deoxygenate
Verbe régulier : deoxygenate - deoxygenated- deoxygenated

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could deoxygenate
you could deoxygenate
she could deoxygenate
we could deoxygenate
you could deoxygenate
they could deoxygenate 	I could be deoxygenating
you could be deoxygenating
she could be deoxygenating
we could be deoxygenating
you could be deoxygenating
they could be deoxygenating	I could have deoxygenated
you could have deoxygenated
she could have deoxygenated
we could have deoxygenated
you could have deoxygenated
they could have deoxygenated	I could have been deoxygenating
you could have been deoxygenating
she could have been deoxygenating
we could have been deoxygenating
you could have been deoxygenating
they could have been deoxygenating	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I couldn't deoxygenate
you couldn't deoxygenate
she couldn't deoxygenate
we couldn't deoxygenate
you couldn't deoxygenate
they couldn't deoxygenate 	I couldn't be deoxygenating
you couldn't be deoxygenating
she couldn't be deoxygenating
we couldn't be deoxygenating
you couldn't be deoxygenating
they couldn't be deoxygenating	I couldn't have deoxygenated
you couldn't have deoxygenated
she couldn't have deoxygenated
we couldn't have deoxygenated
you couldn't have deoxygenated
they couldn't have deoxygenated	I couldn't have been deoxygenating
you couldn't have been deoxygenating
she couldn't have been deoxygenating
we couldn't have been deoxygenating
you couldn't have been deoxygenating
they couldn't have been deoxygenating	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I deoxygenate?
could you deoxygenate?
could she deoxygenate?
could we deoxygenate?
could you deoxygenate?
could they deoxygenate? 	could I be deoxygenating?
could you be deoxygenating?
could she be deoxygenating?
could we be deoxygenating?
could you be deoxygenating?
could they be deoxygenating? 	could I have deoxygenated?
could you have deoxygenated?
could she have deoxygenated?
could we have deoxygenated?
could you have deoxygenated?
could they have deoxygenated? 	could I have been deoxygenating?
could you have been deoxygenating?
could she have been deoxygenating?
could we have been deoxygenating?
could you have been deoxygenating?
could they have been deoxygenating? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
couldn't I deoxygenate?
couldn't you deoxygenate?
couldn't she deoxygenate?
couldn't we deoxygenate?
couldn't you deoxygenate?
couldn't they deoxygenate? 	couldn't I be deoxygenating?
couldn't you be deoxygenating?
couldn't she be deoxygenating?
couldn't we be deoxygenating?
couldn't you be deoxygenating?
couldn't they be deoxygenating? 	couldn't I have deoxygenated?
couldn't you have deoxygenated?
couldn't she have deoxygenated?
couldn't we have deoxygenated?
couldn't you have deoxygenated?
couldn't they have deoxygenated? 	couldn't I have been deoxygenating?
couldn't you have been deoxygenating?
couldn't she have been deoxygenating?
couldn't we have been deoxygenating?
couldn't you have been deoxygenating?
couldn't they have been deoxygenating?