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
she may obtain
we may obtain
you may obtain
they may obtain 	I may be obtaining
you may be obtaining
she may be obtaining
we may be obtaining
you may be obtaining
they may be obtaining	I may have obtained
you may have obtained
she 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
she 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
she 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
she 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
she 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
she 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 she obtain?
may we obtain?
may you obtain?
may they obtain? 	may I be obtaining?
may you be obtaining?
may she be obtaining?
may we be obtaining?
may you be obtaining?
may they be obtaining? 	may I have obtained?
may you have obtained?
may she 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 she 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 she 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 she 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 she 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 she have been obtaining?
mayn't we have been obtaining?
mayn't you have been obtaining?
mayn't they have been obtaining?