may practice
Verbo regular: practice - practiced- practiced

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I may practice
you may practice
he may practice
we may practice
you may practice
they may practice 	I may be practicing
you may be practicing
he may be practicing
we may be practicing
you may be practicing
they may be practicing	I may have practiced
you may have practiced
he may have practiced
we may have practiced
you may have practiced
they may have practiced	I may have been practicing
you may have been practicing
he may have been practicing
we may have been practicing
you may have been practicing
they may have been practicing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I mayn't practice
you mayn't practice
he mayn't practice
we mayn't practice
you mayn't practice
they mayn't practice 	I mayn't be practicing
you mayn't be practicing
he mayn't be practicing
we mayn't be practicing
you mayn't be practicing
they mayn't be practicing	I mayn't have practiced
you mayn't have practiced
he mayn't have practiced
we mayn't have practiced
you mayn't have practiced
they mayn't have practiced	I mayn't have been practicing
you mayn't have been practicing
he mayn't have been practicing
we mayn't have been practicing
you mayn't have been practicing
they mayn't have been practicing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
may I practice?
may you practice?
may he practice?
may we practice?
may you practice?
may they practice? 	may I be practicing?
may you be practicing?
may he be practicing?
may we be practicing?
may you be practicing?
may they be practicing? 	may I have practiced?
may you have practiced?
may he have practiced?
may we have practiced?
may you have practiced?
may they have practiced? 	may I have been practicing?
may you have been practicing?
may he have been practicing?
may we have been practicing?
may you have been practicing?
may they have been practicing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
mayn't I practice?
mayn't you practice?
mayn't he practice?
mayn't we practice?
mayn't you practice?
mayn't they practice? 	mayn't I be practicing?
mayn't you be practicing?
mayn't he be practicing?
mayn't we be practicing?
mayn't you be practicing?
mayn't they be practicing? 	mayn't I have practiced?
mayn't you have practiced?
mayn't he have practiced?
mayn't we have practiced?
mayn't you have practiced?
mayn't they have practiced? 	mayn't I have been practicing?
mayn't you have been practicing?
mayn't he have been practicing?
mayn't we have been practicing?
mayn't you have been practicing?
mayn't they have been practicing?