may contain
Verbo regular: contain - contained- contained

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I may contain
you may contain
she may contain
we may contain
you may contain
they may contain 	I may be containing
you may be containing
she may be containing
we may be containing
you may be containing
they may be containing	I may have contained
you may have contained
she may have contained
we may have contained
you may have contained
they may have contained	I may have been containing
you may have been containing
she may have been containing
we may have been containing
you may have been containing
they may have been containing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I mayn't contain
you mayn't contain
she mayn't contain
we mayn't contain
you mayn't contain
they mayn't contain 	I mayn't be containing
you mayn't be containing
she mayn't be containing
we mayn't be containing
you mayn't be containing
they mayn't be containing	I mayn't have contained
you mayn't have contained
she mayn't have contained
we mayn't have contained
you mayn't have contained
they mayn't have contained	I mayn't have been containing
you mayn't have been containing
she mayn't have been containing
we mayn't have been containing
you mayn't have been containing
they mayn't have been containing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
may I contain?
may you contain?
may she contain?
may we contain?
may you contain?
may they contain? 	may I be containing?
may you be containing?
may she be containing?
may we be containing?
may you be containing?
may they be containing? 	may I have contained?
may you have contained?
may she have contained?
may we have contained?
may you have contained?
may they have contained? 	may I have been containing?
may you have been containing?
may she have been containing?
may we have been containing?
may you have been containing?
may they have been containing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
mayn't I contain?
mayn't you contain?
mayn't she contain?
mayn't we contain?
mayn't you contain?
mayn't they contain? 	mayn't I be containing?
mayn't you be containing?
mayn't she be containing?
mayn't we be containing?
mayn't you be containing?
mayn't they be containing? 	mayn't I have contained?
mayn't you have contained?
mayn't she have contained?
mayn't we have contained?
mayn't you have contained?
mayn't they have contained? 	mayn't I have been containing?
mayn't you have been containing?
mayn't she have been containing?
mayn't we have been containing?
mayn't you have been containing?
mayn't they have been containing?