could predrill
Verbe régulier : predrill - predrilled- predrilled

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could predrill
you could predrill
she could predrill
we could predrill
you could predrill
they could predrill 	I could be predrilling
you could be predrilling
she could be predrilling
we could be predrilling
you could be predrilling
they could be predrilling	I could have predrilled
you could have predrilled
she could have predrilled
we could have predrilled
you could have predrilled
they could have predrilled	I could have been predrilling
you could have been predrilling
she could have been predrilling
we could have been predrilling
you could have been predrilling
they could have been predrilling	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could not predrill
you could not predrill
she could not predrill
we could not predrill
you could not predrill
they could not predrill 	I could not be predrilling
you could not be predrilling
she could not be predrilling
we could not be predrilling
you could not be predrilling
they could not be predrilling	I could not have predrilled
you could not have predrilled
she could not have predrilled
we could not have predrilled
you could not have predrilled
they could not have predrilled	I could not have been predrilling
you could not have been predrilling
she could not have been predrilling
we could not have been predrilling
you could not have been predrilling
they could not have been predrilling	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I predrill?
could you predrill?
could she predrill?
could we predrill?
could you predrill?
could they predrill? 	could I be predrilling?
could you be predrilling?
could she be predrilling?
could we be predrilling?
could you be predrilling?
could they be predrilling? 	could I have predrilled?
could you have predrilled?
could she have predrilled?
could we have predrilled?
could you have predrilled?
could they have predrilled? 	could I have been predrilling?
could you have been predrilling?
could she have been predrilling?
could we have been predrilling?
could you have been predrilling?
could they have been predrilling? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I not predrill?
could you not predrill?
could she not predrill?
could we not predrill?
could you not predrill?
could they not predrill? 	could I not be predrilling?
could you not be predrilling?
could she not be predrilling?
could we not be predrilling?
could you not be predrilling?
could they not be predrilling? 	could I not have predrilled?
could you not have predrilled?
could she not have predrilled?
could we not have predrilled?
could you not have predrilled?
could they not have predrilled? 	could I not have been predrilling?
could you not have been predrilling?
could she not have been predrilling?
could we not have been predrilling?
could you not have been predrilling?
could they not have been predrilling?