may prevent
Verbo regolare: prevent - prevented- prevented

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I may prevent
you may prevent
he may prevent
we may prevent
you may prevent
they may prevent 	I may be preventing
you may be preventing
he may be preventing
we may be preventing
you may be preventing
they may be preventing	I may have prevented
you may have prevented
he may have prevented
we may have prevented
you may have prevented
they may have prevented	I may have been preventing
you may have been preventing
he may have been preventing
we may have been preventing
you may have been preventing
they may have been preventing	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I mayn't prevent
you mayn't prevent
he mayn't prevent
we mayn't prevent
you mayn't prevent
they mayn't prevent 	I mayn't be preventing
you mayn't be preventing
he mayn't be preventing
we mayn't be preventing
you mayn't be preventing
they mayn't be preventing	I mayn't have prevented
you mayn't have prevented
he mayn't have prevented
we mayn't have prevented
you mayn't have prevented
they mayn't have prevented	I mayn't have been preventing
you mayn't have been preventing
he mayn't have been preventing
we mayn't have been preventing
you mayn't have been preventing
they mayn't have been preventing	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
may I prevent?
may you prevent?
may he prevent?
may we prevent?
may you prevent?
may they prevent? 	may I be preventing?
may you be preventing?
may he be preventing?
may we be preventing?
may you be preventing?
may they be preventing? 	may I have prevented?
may you have prevented?
may he have prevented?
may we have prevented?
may you have prevented?
may they have prevented? 	may I have been preventing?
may you have been preventing?
may he have been preventing?
may we have been preventing?
may you have been preventing?
may they have been preventing? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
mayn't I prevent?
mayn't you prevent?
mayn't he prevent?
mayn't we prevent?
mayn't you prevent?
mayn't they prevent? 	mayn't I be preventing?
mayn't you be preventing?
mayn't he be preventing?
mayn't we be preventing?
mayn't you be preventing?
mayn't they be preventing? 	mayn't I have prevented?
mayn't you have prevented?
mayn't he have prevented?
mayn't we have prevented?
mayn't you have prevented?
mayn't they have prevented? 	mayn't I have been preventing?
mayn't you have been preventing?
mayn't he have been preventing?
mayn't we have been preventing?
mayn't you have been preventing?
mayn't they have been preventing?