may prolong
Verbo regular: prolong - prolonged- prolonged

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I may prolong
you may prolong
he may prolong
we may prolong
you may prolong
they may prolong 	I may be prolonging
you may be prolonging
he may be prolonging
we may be prolonging
you may be prolonging
they may be prolonging	I may have prolonged
you may have prolonged
he may have prolonged
we may have prolonged
you may have prolonged
they may have prolonged	I may have been prolonging
you may have been prolonging
he may have been prolonging
we may have been prolonging
you may have been prolonging
they may have been prolonging	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I mayn't prolong
you mayn't prolong
he mayn't prolong
we mayn't prolong
you mayn't prolong
they mayn't prolong 	I mayn't be prolonging
you mayn't be prolonging
he mayn't be prolonging
we mayn't be prolonging
you mayn't be prolonging
they mayn't be prolonging	I mayn't have prolonged
you mayn't have prolonged
he mayn't have prolonged
we mayn't have prolonged
you mayn't have prolonged
they mayn't have prolonged	I mayn't have been prolonging
you mayn't have been prolonging
he mayn't have been prolonging
we mayn't have been prolonging
you mayn't have been prolonging
they mayn't have been prolonging	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
may I prolong?
may you prolong?
may he prolong?
may we prolong?
may you prolong?
may they prolong? 	may I be prolonging?
may you be prolonging?
may he be prolonging?
may we be prolonging?
may you be prolonging?
may they be prolonging? 	may I have prolonged?
may you have prolonged?
may he have prolonged?
may we have prolonged?
may you have prolonged?
may they have prolonged? 	may I have been prolonging?
may you have been prolonging?
may he have been prolonging?
may we have been prolonging?
may you have been prolonging?
may they have been prolonging? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
mayn't I prolong?
mayn't you prolong?
mayn't he prolong?
mayn't we prolong?
mayn't you prolong?
mayn't they prolong? 	mayn't I be prolonging?
mayn't you be prolonging?
mayn't he be prolonging?
mayn't we be prolonging?
mayn't you be prolonging?
mayn't they be prolonging? 	mayn't I have prolonged?
mayn't you have prolonged?
mayn't he have prolonged?
mayn't we have prolonged?
mayn't you have prolonged?
mayn't they have prolonged? 	mayn't I have been prolonging?
mayn't you have been prolonging?
mayn't he have been prolonging?
mayn't we have been prolonging?
mayn't you have been prolonging?
mayn't they have been prolonging?