could overfertilize
Verbe régulier : overfertilize - overfertilized- overfertilized

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could overfertilize
you could overfertilize
she could overfertilize
we could overfertilize
you could overfertilize
they could overfertilize 	I could be overfertilizing
you could be overfertilizing
she could be overfertilizing
we could be overfertilizing
you could be overfertilizing
they could be overfertilizing	I could have overfertilized
you could have overfertilized
she could have overfertilized
we could have overfertilized
you could have overfertilized
they could have overfertilized	I could have been overfertilizing
you could have been overfertilizing
she could have been overfertilizing
we could have been overfertilizing
you could have been overfertilizing
they could have been overfertilizing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could not overfertilize
you could not overfertilize
she could not overfertilize
we could not overfertilize
you could not overfertilize
they could not overfertilize 	I could not be overfertilizing
you could not be overfertilizing
she could not be overfertilizing
we could not be overfertilizing
you could not be overfertilizing
they could not be overfertilizing	I could not have overfertilized
you could not have overfertilized
she could not have overfertilized
we could not have overfertilized
you could not have overfertilized
they could not have overfertilized	I could not have been overfertilizing
you could not have been overfertilizing
she could not have been overfertilizing
we could not have been overfertilizing
you could not have been overfertilizing
they could not have been overfertilizing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I overfertilize?
could you overfertilize?
could she overfertilize?
could we overfertilize?
could you overfertilize?
could they overfertilize? 	could I be overfertilizing?
could you be overfertilizing?
could she be overfertilizing?
could we be overfertilizing?
could you be overfertilizing?
could they be overfertilizing? 	could I have overfertilized?
could you have overfertilized?
could she have overfertilized?
could we have overfertilized?
could you have overfertilized?
could they have overfertilized? 	could I have been overfertilizing?
could you have been overfertilizing?
could she have been overfertilizing?
could we have been overfertilizing?
could you have been overfertilizing?
could they have been overfertilizing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I not overfertilize?
could you not overfertilize?
could she not overfertilize?
could we not overfertilize?
could you not overfertilize?
could they not overfertilize? 	could I not be overfertilizing?
could you not be overfertilizing?
could she not be overfertilizing?
could we not be overfertilizing?
could you not be overfertilizing?
could they not be overfertilizing? 	could I not have overfertilized?
could you not have overfertilized?
could she not have overfertilized?
could we not have overfertilized?
could you not have overfertilized?
could they not have overfertilized? 	could I not have been overfertilizing?
could you not have been overfertilizing?
could she not have been overfertilizing?
could we not have been overfertilizing?
could you not have been overfertilizing?
could they not have been overfertilizing?