may prepurchase
Verbe régulier : prepurchase - prepurchased- prepurchased

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I may prepurchase
you may prepurchase
he may prepurchase
we may prepurchase
you may prepurchase
they may prepurchase 	I may be prepurchasing
you may be prepurchasing
he may be prepurchasing
we may be prepurchasing
you may be prepurchasing
they may be prepurchasing	I may have prepurchased
you may have prepurchased
he may have prepurchased
we may have prepurchased
you may have prepurchased
they may have prepurchased	I may have been prepurchasing
you may have been prepurchasing
he may have been prepurchasing
we may have been prepurchasing
you may have been prepurchasing
they may have been prepurchasing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mayn't prepurchase
you mayn't prepurchase
he mayn't prepurchase
we mayn't prepurchase
you mayn't prepurchase
they mayn't prepurchase 	I mayn't be prepurchasing
you mayn't be prepurchasing
he mayn't be prepurchasing
we mayn't be prepurchasing
you mayn't be prepurchasing
they mayn't be prepurchasing	I mayn't have prepurchased
you mayn't have prepurchased
he mayn't have prepurchased
we mayn't have prepurchased
you mayn't have prepurchased
they mayn't have prepurchased	I mayn't have been prepurchasing
you mayn't have been prepurchasing
he mayn't have been prepurchasing
we mayn't have been prepurchasing
you mayn't have been prepurchasing
they mayn't have been prepurchasing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
may I prepurchase?
may you prepurchase?
may he prepurchase?
may we prepurchase?
may you prepurchase?
may they prepurchase? 	may I be prepurchasing?
may you be prepurchasing?
may he be prepurchasing?
may we be prepurchasing?
may you be prepurchasing?
may they be prepurchasing? 	may I have prepurchased?
may you have prepurchased?
may he have prepurchased?
may we have prepurchased?
may you have prepurchased?
may they have prepurchased? 	may I have been prepurchasing?
may you have been prepurchasing?
may he have been prepurchasing?
may we have been prepurchasing?
may you have been prepurchasing?
may they have been prepurchasing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mayn't I prepurchase?
mayn't you prepurchase?
mayn't he prepurchase?
mayn't we prepurchase?
mayn't you prepurchase?
mayn't they prepurchase? 	mayn't I be prepurchasing?
mayn't you be prepurchasing?
mayn't he be prepurchasing?
mayn't we be prepurchasing?
mayn't you be prepurchasing?
mayn't they be prepurchasing? 	mayn't I have prepurchased?
mayn't you have prepurchased?
mayn't he have prepurchased?
mayn't we have prepurchased?
mayn't you have prepurchased?
mayn't they have prepurchased? 	mayn't I have been prepurchasing?
mayn't you have been prepurchasing?
mayn't he have been prepurchasing?
mayn't we have been prepurchasing?
mayn't you have been prepurchasing?
mayn't they have been prepurchasing?