could presignal
Verbe régulier : presignal - presignaled- presignaled

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could presignal
you could presignal
he could presignal
we could presignal
you could presignal
they could presignal 	I could be presignaling
you could be presignaling
he could be presignaling
we could be presignaling
you could be presignaling
they could be presignaling	I could have presignaled
you could have presignaled
he could have presignaled
we could have presignaled
you could have presignaled
they could have presignaled	I could have been presignaling
you could have been presignaling
he could have been presignaling
we could have been presignaling
you could have been presignaling
they could have been presignaling	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could not presignal
you could not presignal
he could not presignal
we could not presignal
you could not presignal
they could not presignal 	I could not be presignaling
you could not be presignaling
he could not be presignaling
we could not be presignaling
you could not be presignaling
they could not be presignaling	I could not have presignaled
you could not have presignaled
he could not have presignaled
we could not have presignaled
you could not have presignaled
they could not have presignaled	I could not have been presignaling
you could not have been presignaling
he could not have been presignaling
we could not have been presignaling
you could not have been presignaling
they could not have been presignaling	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I presignal?
could you presignal?
could he presignal?
could we presignal?
could you presignal?
could they presignal? 	could I be presignaling?
could you be presignaling?
could he be presignaling?
could we be presignaling?
could you be presignaling?
could they be presignaling? 	could I have presignaled?
could you have presignaled?
could he have presignaled?
could we have presignaled?
could you have presignaled?
could they have presignaled? 	could I have been presignaling?
could you have been presignaling?
could he have been presignaling?
could we have been presignaling?
could you have been presignaling?
could they have been presignaling? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I not presignal?
could you not presignal?
could he not presignal?
could we not presignal?
could you not presignal?
could they not presignal? 	could I not be presignaling?
could you not be presignaling?
could he not be presignaling?
could we not be presignaling?
could you not be presignaling?
could they not be presignaling? 	could I not have presignaled?
could you not have presignaled?
could he not have presignaled?
could we not have presignaled?
could you not have presignaled?
could they not have presignaled? 	could I not have been presignaling?
could you not have been presignaling?
could he not have been presignaling?
could we not have been presignaling?
could you not have been presignaling?
could they not have been presignaling?