could mercerise
Verbe régulier : mercerise - mercerised- mercerised

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could mercerise
you could mercerise
he could mercerise
we could mercerise
you could mercerise
they could mercerise 	I could be mercerising
you could be mercerising
he could be mercerising
we could be mercerising
you could be mercerising
they could be mercerising	I could have mercerised
you could have mercerised
he could have mercerised
we could have mercerised
you could have mercerised
they could have mercerised	I could have been mercerising
you could have been mercerising
he could have been mercerising
we could have been mercerising
you could have been mercerising
they could have been mercerising	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could not mercerise
you could not mercerise
he could not mercerise
we could not mercerise
you could not mercerise
they could not mercerise 	I could not be mercerising
you could not be mercerising
he could not be mercerising
we could not be mercerising
you could not be mercerising
they could not be mercerising	I could not have mercerised
you could not have mercerised
he could not have mercerised
we could not have mercerised
you could not have mercerised
they could not have mercerised	I could not have been mercerising
you could not have been mercerising
he could not have been mercerising
we could not have been mercerising
you could not have been mercerising
they could not have been mercerising	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I mercerise?
could you mercerise?
could he mercerise?
could we mercerise?
could you mercerise?
could they mercerise? 	could I be mercerising?
could you be mercerising?
could he be mercerising?
could we be mercerising?
could you be mercerising?
could they be mercerising? 	could I have mercerised?
could you have mercerised?
could he have mercerised?
could we have mercerised?
could you have mercerised?
could they have mercerised? 	could I have been mercerising?
could you have been mercerising?
could he have been mercerising?
could we have been mercerising?
could you have been mercerising?
could they have been mercerising? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I not mercerise?
could you not mercerise?
could he not mercerise?
could we not mercerise?
could you not mercerise?
could they not mercerise? 	could I not be mercerising?
could you not be mercerising?
could he not be mercerising?
could we not be mercerising?
could you not be mercerising?
could they not be mercerising? 	could I not have mercerised?
could you not have mercerised?
could he not have mercerised?
could we not have mercerised?
could you not have mercerised?
could they not have mercerised? 	could I not have been mercerising?
could you not have been mercerising?
could he not have been mercerising?
could we not have been mercerising?
could you not have been mercerising?
could they not have been mercerising?