may preexchange
Verbo regular: preexchange - preexchanged- preexchanged

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I may preexchange
you may preexchange
he may preexchange
we may preexchange
you may preexchange
they may preexchange 	I may be preexchanging
you may be preexchanging
he may be preexchanging
we may be preexchanging
you may be preexchanging
they may be preexchanging	I may have preexchanged
you may have preexchanged
he 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
he may have been preexchanging
we may have been preexchanging
you may have been preexchanging
they may have been preexchanging	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I mayn't preexchange
you mayn't preexchange
he mayn't preexchange
we mayn't preexchange
you mayn't preexchange
they mayn't preexchange 	I mayn't be preexchanging
you mayn't be preexchanging
he mayn't be preexchanging
we mayn't be preexchanging
you mayn't be preexchanging
they mayn't be preexchanging	I mayn't have preexchanged
you mayn't have preexchanged
he mayn't have preexchanged
we mayn't have preexchanged
you mayn't have preexchanged
they mayn't have preexchanged	I mayn't have been preexchanging
you mayn't have been preexchanging
he mayn't have been preexchanging
we mayn't have been preexchanging
you mayn't have been preexchanging
they mayn't have been preexchanging	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
may I preexchange?
may you preexchange?
may he preexchange?
may we preexchange?
may you preexchange?
may they preexchange? 	may I be preexchanging?
may you be preexchanging?
may he be preexchanging?
may we be preexchanging?
may you be preexchanging?
may they be preexchanging? 	may I have preexchanged?
may you have preexchanged?
may he 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 he have been preexchanging?
may we have been preexchanging?
may you have been preexchanging?
may they have been preexchanging? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
mayn't I preexchange?
mayn't you preexchange?
mayn't he preexchange?
mayn't we preexchange?
mayn't you preexchange?
mayn't they preexchange? 	mayn't I be preexchanging?
mayn't you be preexchanging?
mayn't he be preexchanging?
mayn't we be preexchanging?
mayn't you be preexchanging?
mayn't they be preexchanging? 	mayn't I have preexchanged?
mayn't you have preexchanged?
mayn't he have preexchanged?
mayn't we have preexchanged?
mayn't you have preexchanged?
mayn't they have preexchanged? 	mayn't I have been preexchanging?
mayn't you have been preexchanging?
mayn't he have been preexchanging?
mayn't we have been preexchanging?
mayn't you have been preexchanging?
mayn't they have been preexchanging?