may preexchange
Verbe régulier : preexchange - preexchanged- preexchanged

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

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I may not preexchange
you may not preexchange
she may not preexchange
we may not preexchange
you may not preexchange
they may not preexchange 	I may not be preexchanging
you may not be preexchanging
she may not be preexchanging
we may not be preexchanging
you may not be preexchanging
they may not be preexchanging	I may not have preexchanged
you may not have preexchanged
she may not have preexchanged
we may not have preexchanged
you may not have preexchanged
they may not have preexchanged	I may not have been preexchanging
you may not have been preexchanging
she may not have been preexchanging
we may not have been preexchanging
you may not have been preexchanging
they may not have been preexchanging	

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

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
may I not preexchange?
may you not preexchange?
may she not preexchange?
may we not preexchange?
may you not preexchange?
may they not preexchange? 	may I not be preexchanging?
may you not be preexchanging?
may she not be preexchanging?
may we not be preexchanging?
may you not be preexchanging?
may they not be preexchanging? 	may I not have preexchanged?
may you not have preexchanged?
may she not have preexchanged?
may we not have preexchanged?
may you not have preexchanged?
may they not have preexchanged? 	may I not have been preexchanging?
may you not have been preexchanging?
may she not have been preexchanging?
may we not have been preexchanging?
may you not have been preexchanging?
may they not have been preexchanging?