may obtain
Verbo regular: obtain - obtained- obtained

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I may obtain
you may obtain
he may obtain
we may obtain
you may obtain
they may obtain 	I may be obtaining
you may be obtaining
he may be obtaining
we may be obtaining
you may be obtaining
they may be obtaining	I may have obtained
you may have obtained
he may have obtained
we may have obtained
you may have obtained
they may have obtained	I may have been obtaining
you may have been obtaining
he may have been obtaining
we may have been obtaining
you may have been obtaining
they may have been obtaining	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I mayn't obtain
you mayn't obtain
he mayn't obtain
we mayn't obtain
you mayn't obtain
they mayn't obtain 	I mayn't be obtaining
you mayn't be obtaining
he mayn't be obtaining
we mayn't be obtaining
you mayn't be obtaining
they mayn't be obtaining	I mayn't have obtained
you mayn't have obtained
he mayn't have obtained
we mayn't have obtained
you mayn't have obtained
they mayn't have obtained	I mayn't have been obtaining
you mayn't have been obtaining
he mayn't have been obtaining
we mayn't have been obtaining
you mayn't have been obtaining
they mayn't have been obtaining	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
may I obtain?
may you obtain?
may he obtain?
may we obtain?
may you obtain?
may they obtain? 	may I be obtaining?
may you be obtaining?
may he be obtaining?
may we be obtaining?
may you be obtaining?
may they be obtaining? 	may I have obtained?
may you have obtained?
may he have obtained?
may we have obtained?
may you have obtained?
may they have obtained? 	may I have been obtaining?
may you have been obtaining?
may he have been obtaining?
may we have been obtaining?
may you have been obtaining?
may they have been obtaining? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
mayn't I obtain?
mayn't you obtain?
mayn't he obtain?
mayn't we obtain?
mayn't you obtain?
mayn't they obtain? 	mayn't I be obtaining?
mayn't you be obtaining?
mayn't he be obtaining?
mayn't we be obtaining?
mayn't you be obtaining?
mayn't they be obtaining? 	mayn't I have obtained?
mayn't you have obtained?
mayn't he have obtained?
mayn't we have obtained?
mayn't you have obtained?
mayn't they have obtained? 	mayn't I have been obtaining?
mayn't you have been obtaining?
mayn't he have been obtaining?
mayn't we have been obtaining?
mayn't you have been obtaining?
mayn't they have been obtaining?