can preexchange
Verbe régulier : preexchange - preexchanged- preexchanged

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I can preexchange
you can preexchange
he can preexchange
we can preexchange
you can preexchange
they can preexchange 	I can be preexchanging
you can be preexchanging
he can be preexchanging
we can be preexchanging
you can be preexchanging
they can be preexchanging	I can have preexchanged
you can have preexchanged
he can have preexchanged
we can have preexchanged
you can have preexchanged
they can have preexchanged	I can have been preexchanging
you can have been preexchanging
he can have been preexchanging
we can have been preexchanging
you can have been preexchanging
they can have been preexchanging	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I can't preexchange
you can't preexchange
he can't preexchange
we can't preexchange
you can't preexchange
they can't preexchange 	I can't be preexchanging
you can't be preexchanging
he can't be preexchanging
we can't be preexchanging
you can't be preexchanging
they can't be preexchanging	I can't have preexchanged
you can't have preexchanged
he can't have preexchanged
we can't have preexchanged
you can't have preexchanged
they can't have preexchanged	I can't have been preexchanging
you can't have been preexchanging
he can't have been preexchanging
we can't have been preexchanging
you can't have been preexchanging
they can't have been preexchanging	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
can I preexchange?
can you preexchange?
can he preexchange?
can we preexchange?
can you preexchange?
can they preexchange? 	can I be preexchanging?
can you be preexchanging?
can he be preexchanging?
can we be preexchanging?
can you be preexchanging?
can they be preexchanging? 	can I have preexchanged?
can you have preexchanged?
can he have preexchanged?
can we have preexchanged?
can you have preexchanged?
can they have preexchanged? 	can I have been preexchanging?
can you have been preexchanging?
can he have been preexchanging?
can we have been preexchanging?
can you have been preexchanging?
can they have been preexchanging? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
can't I preexchange?
can't you preexchange?
can't he preexchange?
can't we preexchange?
can't you preexchange?
can't they preexchange? 	can't I be preexchanging?
can't you be preexchanging?
can't he be preexchanging?
can't we be preexchanging?
can't you be preexchanging?
can't they be preexchanging? 	can't I have preexchanged?
can't you have preexchanged?
can't he have preexchanged?
can't we have preexchanged?
can't you have preexchanged?
can't they have preexchanged? 	can't I have been preexchanging?
can't you have been preexchanging?
can't he have been preexchanging?
can't we have been preexchanging?
can't you have been preexchanging?
can't they have been preexchanging?